Continuously Variable Transmission (Cvt) - Electrical Diagnostics: Other Jeep Compass I

Monitor Conditions

1. When Monitored: Ignition on, engine running with the transmission in a valid forward gear. No active CAN Bus DTCs present.

Set Conditions

1. Set Condition: Monitored engine speed over the CAN Bus is greater than 6800 rpm for the period of 100 msecs.

Possible Causes

Perform CVT PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

1. When Monitored: Ignition on, engine rpm above 450. Secondary pressure (monitored current) greater than 0.3MPa. No active Implausible Engine Speed Signal DTCs present.

1. Set Condition: The Transmission Control Module detects the system voltage below 9.0 volts for the period greater than 5.0 seconds. It takes two consecutive one trip faults for the DTC to mature and illuminate the MIL.

Perform CVT PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

Scheme 6

Scheme 7

1. CHECK FOR RELATED CHARGING SYSTEM DTCS With the scan tool, read the Engine DTCs. Are there any Charging System related DTCs present? Yes Refer to the appropriate Engine ELECTRICAL DIAGNOSTICS article and repair any Charging System DTCs before proceeding. After repairing the Charging System DTCS, perform the Transmission Verification test to verify the transmission and or controller was not damaged. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Go to 2 .
2. CHECK FOR TIPM DTCS NOTE: Generator, battery, and charging system must be fully functional before performing this test. With the scan tool, read TIPM DTCs. Are there any TIPM TCM Power Control Circuit DTCs present also? Yes Refer to the appropriate Transmission DTC and repair as necessary. No Go to 3 .
3. CONDITION P0562 PRESENT With the scan tool, read Transmission DTCs. Is the status active for this DTC? Yes Go to 4 . No Go to 6 .
4. CHECK THE (Z967) GROUND CIRCUITS FOR AN OPEN Turn the ignition off to the lock position. Disconnect the TCM C2 harness connector. NOTE: Check connectors - Clean/repair as necessary. Using a 12-volt test light connected to 12-volts, check the (Z967) Ground circuits in the TCM C2 harness connector. NOTE: The test light must illuminate brightly. Compare the brightness to that of a direct connection to the battery. Does the test light illuminate brightly for all the (Z967) Ground circuits? Yes Go to 5 . No Repair the (Z967) Ground circuit for an open circuit or high resistance. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) .
5. CHECK THE (T16) TRANSMISSION CONTROL OUTPUT CIRCUIT FOR AN OPEN Turn the ignition off to the lock position. Disconnect the TCM C1 and C2 harness connectors. Disconnect the Transmission Range Sensor (TRS) harness connector. Disconnect the Input and Output Speed Sensor harness connectors. Ignition on, engine not running. With the scan tool under TIPM, actuate the Transmission. Using a 12-volt test light connected to ground, check all (T16) Transmission Control Output circuits. NOTE: The (T16) Transmission Control Output circuit branches off to the TRS, TCM and the Input and Output Speed Sensors. Does the test light illuminate brightly while cycling on and off on all the (T16) Transmission Control Output circuits? Yes Using the schematics as a guide, check the Transmission Control Module (TCM) terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. If no problems are found, replace and program the TCM per the Service Information. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Repair the (T16) Transmission Control Relay Output circuit(s) for an open or high resistance. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) .
6. INTERMITTENT WIRING AND CONNECTORS The conditions necessary to set this DTC are not present at this time. Using the schematics as a guide, inspect the wiring and connectors specific to this circuit. Wiggle the wires while checking for shorted and open circuits. Were there any problems found? Yes Repair as necessary. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Test Complete.

1. When Monitored: Ignition on, engine rpm above 450. Secondary pressure (monitored current) greater than 0.3MPa Vehicle speed greater than 0 Km/h (0 mph) No active DTCs from the following: Implausible Engine Speed Signal Secondary pulley (output) speed sensor

1. Set Condition: The Transmission Control Module detects the system voltage above 16.0 volts for a period greater than 5.0 seconds.

Perform CVT PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

1. When Monitored: After initial start and any time the shift lever is changed from park to reverse, drive or neutral. System voltage between 9.0 and 16 volts. No active CAN Bus DTCs present.

1. Set Condition: The brake switch status does not change during a drive cycle with a vehicle speed greater than 30 Km/h (18.5 mph) for the period of 10 seconds. It take to consecutive problem identification trips to set the MIL.

Perform CVT PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

1. When Monitored: After an initial vehicle start with a system voltage between 9.0 and 16.0 volts.

1. Set Condition: Transmission Control Module (TCM) does not receive valid vehicle information from the Front Control Module (FCM) for the period of 5 seconds.

Perform CVT PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

1. When Monitored: One time at initial ignition on with system voltage between 9.0 and 16.0 volts. FCM/TIPM variant data received more than once over the CAN Bus. FCM/TIPM variant data is in a valid range. Vehicle Configuration Learn Routine not finished.

1. Set Condition: The vehicle option data received over the CAN Bus does not match the data stored in the EEPROM of the TCM. It takes one trip of problem identification to set the MIL.

Perform CVT PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

1. When Monitored: Ignition on with system voltage between 9.0 and 16.0 volts.

1. Set Condition: When the monitored input voltage from primary pressure sensor and secondary pressure sensor is less than 0.005 volts for a continuous period of 5.0 seconds.

Perform CVT PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

Scheme 8

Scheme 9

Scheme 10

1. CHECK TO SEE IF THE DTC IS ACTIVE With the scan tool, read Transmission DTCs. Is the status Active for this DTC or is the STARTS SINCE SET counter 2 or less? Yes Go to 2 . No Go to 5 .
2. CHECK THE (T72) 5-VOLT SUPPLY CIRCUIT VOLTAGE Turn the ignition off to the lock position. Disconnect the Transmission Solenoid/Pressure Switch Assembly harness connector. Ignition on, engine not running. Measure the voltage of the (T72) 5-volt Supply circuit. Is the voltage 5.0 volts (± 0.5 volts)? Yes Replace the CV Transmission or the Valve Body per the Service Information. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Go to 3 .
3. CHECK THE (T72) 5-VOLT SUPPLY CIRCUIT FOR AN OPEN Turn the ignition off to the lock position. Disconnect the TCM C2 harness connector. Measure the resistance of the (T72) 5-volt Supply circuit between the TCM C2 harness connector and the Transmission Solenoid/Pressure Switch Assembly harness connector. Is the resistance above 5.0 ohms? Yes Repair the (T72) 5-volt Supply circuit for an open. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Go to 4 .
4. CHECK THE (T72) 5-VOLT SUPPLY CIRCUIT FOR A SHORT TO GROUND Measure the resistance between ground and the (T72) 5-volt Supply circuit. Is the resistance below 5.0 ohms? Yes Repair the (T72) 5-volt Supply circuit for a short to ground. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Using the schematics as a guide, check the Transmission Control Module (TCM) terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. Check for any Service Bulletins for possible causes that may apply. If no problems are found, replace the TCM per the Service Information. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) .
5. INTERMITTENT WIRING AND CONNECTORS The conditions necessary to set this DTC are not present at this time. Using the schematics as a guide, inspect the wiring and connectors specific to this circuit. Wiggle the wires while checking for shorted and open circuits. Were there any problems found? Yes Repair as necessary. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Test Complete.

Scheme 11

1. When Monitored: Ignition on with system voltage between 9.0 and 16.0 volts. Vehicle speed above 10 Km/h (6 mph). No other Transmission Range Sensor (TRS) DTCs present.

1. Set Condition: If a continuous input signal loss is read by the TCM from the TRS for the period of 5 seconds. It takes two consecutive one trips of problem identification to light the MIL.

Perform CVT PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

Scheme 12

Scheme 13

Scheme 14

Scheme 15

1. CHECK TO SEE IF THE DTC IS ACTIVE With the scan tool, read Transmission DTCs. Is the status Active or is the STARTS SINCE SET counter 2 or less for this DTC? Yes Go To 2 . No Go To 9 .
2. CHECK THE TRS HARNESS CONNECTOR Turn the ignition off to the lock position. Check if the TRS harness connector for terminal push out, corrosion or if it is properly plugged in. NOTE: If the Transmission Range Sensor is unplugged the vehicle will not start. Were there any problems found? Yes Repair as necessary. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Go To 3 .
3. CHECK THE TRS INSTALLATION AND ADJUSTMENT Turn the ignition off to the lock position. Check if the TRS is properly installed and adjusted per the Service Information. Refer to «INSTALLATION»(ref-304401-S04594972032008110700000) . Was the TRS properly installed and adjusted? Yes Go To 4 . No Properly install or adjust the TRS per the Service Information. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) .
4. CHECK THE TRS READINGS ON THE SCAN TOOL SHIFT LEVER POSITION TO TRS SWITCH STATE PARK REVERSE NEUTRAL DRIVE LOW T41 CLOSED T42 CLOSED T4 CLOSED T3 CLOSED T1 CLOSED Ignition on, engine not running. With the scan tool, read the TRS states while moving the shift lever to all positions note any circuits that do not change. NOTE: Vehicles equipped with the AutoStick feature will not have a low range shift position. Pick which answer best describes your findings: One TRS Sense circuit failed to change on the scan tool Go To 6 . None of the TRS Sense circuits changed at all Go To 5 . All TRS Sense circuits changed properly on the scan tool Check the Sift Lever Cable for proper adjustment and binding per the Service Information. If no problems are found, using the schematics as a guide, check the Transmission Control Module (TCM) terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. Check for any Service Bulletins for possible causes that may apply. If again no problems are found, replace the TCM per the Service Information Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) .
5. CHECK THE (T16) TRANSMISSION CONTROL OUTPUT CIRCUIT FOR AN OPEN Turn the ignition off to the lock position. Disconnect the TRS harness connector. Ignition on, engine not running. Using the scan tool under TIPM, actuate the transmission. Using a 12-volt test light connected to ground, check the (T16) Transmission Control Output circuit in the TRS harness connector. NOTE: The test light must illuminate brightly. Compare the brightness to that of a direct connection to the battery. Does the test light illuminate brightly? Yes Go To 8 . No Repair the (T16) Transmission Control Output circuit for an open. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) .
6. CHECK THE TRS SENSE CIRCUIT FOR AN OPEN Turn the ignition off to the lock position. Disconnect the TRS harness connector. Check the resistance of the previously identified TRS Sense circuit between the TRS harness connector and the TCM harness connector. Is the resistance above 5.0 ohms? Yes Repair the identified TRS Sense circuit for an open Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Go To 7 .
7. CHECK THE TRS SENSE CIRCUIT FOR A SHORT TO GROUND Turn the ignition off to the lock position. Disconnect the TRS harness connector. Check the resistance between ground and the identified TRS Sense circuit in the previous test procedure. Is the resistance below 5.0 ohms? Yes Repair the identified TRS Sense circuit for a short to ground Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Replace the Transmission Range Sensor (TRS) per the Service Information. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) .
8. CHECK THE TRANSMISSION RANGE SENSOR SHIFT LEVER POSITION TO TRS SWITCH STATE PARK REVERSE NEUTRAL DRIVE LOW T41 CLOSED T42 CLOSED T4 CLOSED T3 CLOSED T1 CLOSED Stop the scan tool transmission actuation and turn the ignition off to the lock position. Reconnect the TRS harness connector. Disconnect the TCM C1 and C2 harness connectors. Ignition on, engine not running. Using the scan tool under TIPM, actuate the transmission. Using a 12-volt test light connected to ground, check each TRS Sense circuit (T41, T42, T4, T3, and T1) in the TCM C1 and C2 harness connectors while moving the shift lever to each desired position. NOTE: Use the above chart to identify which sense circuit should be closed in each shift lever position. Does the test light illuminate brightly on all the TRS Sense circuits? Yes Using the schematics as a guide, check the Transmission Control Module (TCM) terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. Check for any Service Bulletins for possible causes that may apply. If no problems are found, replace the TCM per the Service Information. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Replace the Transmission Range Sensor per the Service Information. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) .
9. INTERMITTENT WIRING AND CONNECTORS The conditions necessary to set this DTC are not present at this time. Using the schematics as a guide, inspect the wiring and connectors specific to this circuit. Wiggle the wires while checking for shorted and open circuits. Were there any problems found? Yes Repair as necessary. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Test Complete.

1. When Monitored: Ignition on with system voltage between 9.0 and 16.0 volts. No other Transmission Range Sensor (TRS) DTCs present.

1. Set Condition: When the Transmission Control Module (TCM) receives more than one Transmission Range Sensor (TRS) signal from the TRS continuously for the period of 2.0 seconds.

Perform CVT PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

1. When Monitored: Condition one : Transmission in a valid forward gear. System voltage between 9.0 and 16.0 volts. Vehicle speed greater than 10 Km/h (6 mph). Accelerator Pedal Position (APP) greater than 12.5%. Engine rpm greater than 450 rpm. Condition two: Ignition off for greater than 8 hours. Difference between the engine coolant temperature and the intake temperature is less than 3° C (37° F). No other temperature sensor or sensor ground DTCs present.

1. Set Condition: Condition one: No change in the Transmission oil temperature the period of 10 minutes. Condition two: Transmission oil temperature is 40° C (104° F) different than the average temperature which consists of the combined average of the Engine Coolant temperature, Intake Temperature, Oil Temperature, and Ambient Temperature for the period of 5 seconds.

Perform CVT PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

Scheme 16

1. CHECK FOR ENGINE DTCS With the scan tool, read Engine DTCs. Are there any Engine Temperature Sensor DTCs present? Yes Refer to the appropriate Engine ELECTRICAL DIAGNOSTICS article and perform the appropriate symptom(s). Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Go To 2 .
2. CHECK TO SEE IF THE DTC IS ACTIVE With the scan tool, read Transmission DTCs. Is the status Active for this DTC or is the STARTS SINCE SET counter 2 or less? Yes Go To 3 . No Go To 7 .
3. IDENTIFY THE SETTING CONDITION NOTE: The vehicle must be completely cooled for a minimum period of 8 hours for the following test procedure. With the scan tool monitor the Transmission Temperature while test driving the vehicle. NOTE: It may take up to 10 to 12 minutes of continuous driving to accurately test the Transmission Temperature Sensor. Did the Transmission Temperature stay the same or increase a very limited amount? Yes Go To 6 . No Go To 4 .
4. CHECK THE TRANSMISSION TEMPERATURE SENSOR Did the TCM set a one trip DTC during the previous test drive? Yes Go To 5 . No Go To 7 .
5. COMPARE TRANSMISSION TEMPERATURE TO OTHER TEMPERATURES With the scan tool compare the Transmission Temperature to other Temperature sensors such as Engine Coolant, Intake, Oil Temperature. Is the Transmission Temperature within 40° C (104° F) of the other temperatures? Yes Using the schematics as a guide, check the Transmission Control Module (TCM) terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. Check for any Service Bulletins for possible causes that may apply. If no problems are found, replace the TCM per the Service Information. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Replace the CVT or repair the Transmission Temperature Sensor (Valve Body) per the Service Information. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) .
6. CHECK THE (T54) TRANSMISSION TEMPERATURE SENSOR Temperature Sensor Resistive Values Chart Transmission Temperature Resistive Value Compared to Temperature (± 10%) 20° C (68° F) 2.5k to 6.5k ohms 80° C (176° F) 0.3k to 0.9k ohms Start the engine and allow to obtain normal operating temperature (approximately 10 min. of engine run time). Turn the ignition off to the lock position. Disconnect the TCM C2 harness connector. Measure the resistance between the (T54) Transmission Temperature Sensor Signal circuit and the (T13) Sensor Ground circuit in the TCM C2 harness connector. Is the resistance within the desired range listed on the above chart? Yes Using the schematics as a guide, check the Transmission Control Module (TCM) terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. Check for any Service Bulletins for possible causes that may apply. If no problems are found, replace the TCM per the Service Information. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Replace the CVT or repair the Transmission Temperature Sensor (Valve Body) per the Service Information. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) .
7. INTERMITTENT WIRING AND CONNECTORS The conditions necessary to set this DTC are not present at this time. Using the schematics as a guide, inspect the wiring and connectors specific to this circuit. Wiggle the wires while checking for shorted and open circuits. Were there any problems found? Yes Repair as necessary. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Test Complete.

1. When Monitored: Ignition on with battery voltage between 9.0 and 16.0 volts. Vehicle speed greater than 10 Km/h (6 mph). No secondary speed sensor or sensor ground DTCs detected.

1. Set Condition: Indicated temperature is greater than 180° C (356° F) for the continuous period of 5 seconds.

Perform CVT PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

Scheme 17

1. CHECK IF THE DTC IS ACTIVE With the scan tool, read Transmission DTCs. Is the status Active or is the STARTS SINCE SET counter 2 or less for this DTC? Yes Go To 2 . No Go To 4 .
2. CHECK THE (T54) TRANSMISSION TEMPERATURE SENSOR SIGNAL CIRCUIT FOR A SHORT TO GROUND Turn the ignition off to the lock position. Disconnect the TCM C2 harness connector. Disconnect the Transmission Solenoid/Pressure Switch Assembly harness connector. Measure the resistance between ground and the (T54) Transmission Temperature Sensor Signal circuit. Is the resistance below 5.0 ohms? Yes Repair the (T54) Transmission Temperature Sensor Signal circuit for a short to ground. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Go To 3 .
3. CHECK THE (T54) TRANSMISSION TEMPERATURE SENSOR Temperature Sensor Resistive Values Chart Transmission Temperature Resistive Value Compared to Temperature (± 10%) 20° C (68° F) 2.5k to 6.5k ohms 80° C (176° F) 0.3k to 0.9k ohms Reconnect all previously disconnected connectors. Start the engine and allow to obtain normal operating temperature (approximately 10 min. of engine run time). Turn the ignition off to the lock position. Disconnect the TCM C2 harness connector. Measure the resistance between the (T54) Transmission Temperature Sensor Signal circuit and the (T13) Sensor Ground circuit in the TCM C2 harness connector. Is the resistance within the desired range listed on the above chart? Yes Using the schematics as a guide, check the Transmission Control Module (TCM) terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. Check for any Service Bulletins for possible causes that may apply. If no problems are found, replace the TCM per the Service Information. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Replace the CV Transmission or the Transmission Temperature Sensor (Valve Body) per the Service Information. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) .
4. INTERMITTENT WIRING AND CONNECTORS The conditions necessary to set this DTC are not present at this time. Using the schematics as a guide, inspect the wiring and connectors specific to this circuit. Wiggle the wires while checking for shorted and open circuits. Were there any problems found? Yes Repair as necessary. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Test Complete.

1. When Monitored: Ignition on engine running with battery voltage between 9.0 and 16.0 volts. Vehicle speed greater than 10 Km/h (6 mph). No secondary speed sensor or sensor ground DTCs present.

1. Set Condition: Indicated temperature drops below -40° C (-40° F) for the continuous period of 5.0 seconds.

Perform CVT PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

Scheme 18

Scheme 19

Scheme 20

1. CHECK TO SEE IF THE DTC IS ACTIVE With the scan tool, read Transmission DTCs. Is the status Active or is the STARTS SINCE SET counter 2 or less for this DTC? Yes Go To 2 . No Go To 6 .
2. CHECK THE (T54) TRANSMISSION TEMPERATURE SENSOR Turn the ignition off to the lock position. Disconnect the Transmission Solenoid/Pressure Switch Assembly harness connector. Ignition on, engine not running. In the following step using the scan tool, monitor the Transmission Temperature voltage. Jump the (T54) Transmission Temperature Sensor Signal circuit in the Transmission Solenoid/Pressure Switch Assembly harness connector to ground. Did the Transmission Temperature voltage drop from approximately 2.5 volts to 0.0 volts? Yes Replace the CV Transmission or the Transmission Temperature Sensor (Valve Body) per the Service Information. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Go To 3 .
3. CHECK THE (T54) TRANSMISSION TEMPERATURE SENSOR SIGNAL CIRCUIT FOR A SHORT TO VOLTAGE Turn the ignition off to the lock position. Disconnect the TCM C2 harness connector. Ignition on, engine not running. Measure the voltage of the (T54) Transmission Temperature Sensor Signal circuit. Is the voltage above.05 volts? Yes Repair the (T54) Transmission Temperature Sensor Signal circuit for a short to voltage. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Go To 4 .
4. CHECK THE (T54) TRANSMISSION TEMPERATURE SENSOR SIGNAL CIRCUIT FOR AN OPEN Turn the ignition off to the lock position. Measure the resistance of the (T54) Transmission Temperature Sensor Signal circuit between the TCM C2 harness connector and the Transmission Solenoid/Pressure Switch Assembly harness connector. Is the resistance above 5.0 ohms? Yes Repair the (T54) Transmission Temperature Sensor Signal circuit for an open. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Go To 5 .
5. CHECK THE (T54) TRANSMISSION TEMPERATURE SENSOR Temperature Sensor Resistive Values Chart Transmission Temperature Resistive Value Compared to Temperature (± 10%) 20° C (68° F) 2.5k to 6.5k ohms 80° C (176° F) 0.3k to 0.9k ohms Reconnect all previously disconnected connectors. Start the engine and allow to obtain normal operating temperature (approximately 10 min. of engine run time). Turn the ignition off to the lock position. Disconnect the TCM C2 harness connector. Measure the resistance between the (T54) Transmission Temperature Sensor Signal circuit and the (T13) Sensor Ground circuit in the TCM C2 harness connector. Is the resistance within the desired range listed on the above chart? Yes Using the schematics as a guide, check the Transmission Control Module (TCM) terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. Check for any Service Bulletins for possible causes that may apply. If no problems are found, replace the TCM per the Service Information. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Replace the Transmission Temperature Sensor (Valve Body) per the Service Information. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) .
6. INTERMITTENT WIRING AND CONNECTORS The conditions necessary to set this DTC are not present at this time. Using the schematics as a guide, inspect the wiring and connectors specific to this circuit. Wiggle the wires while checking for shorted and open circuits. Were there any problems found? Yes Repair as necessary. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Test Complete.

1. When Monitored: Ignition on, engine running with the transmission in a valid forward gear. System voltage between 9.0 and 16.0 volts Vehicle speed greater than 10 Km/h (6 mph). Accelerator Pedal Position (APP) greater than 12.5%. Engine rpm greater than 450 rpm with TCC lock-up enabled. No DTCs from the following
2. TCC Solenoid
3. Lock-up solenoid
4. Step motor
5. Input or Output Speed Sensor No Signal
6. Transmission Range Sensor (TRS)
7. Sensor Ground
8. CAN

1. Set Condition

All the below conditions must be present for the period of 5 seconds for the DTC to set

1. Engine speed minus the primary speed is greater than 1000 rpm.

1. Secondary speed multiplied by the estimated ratio, minus the Primary speed is greater than 1000 rpm.

1. Engine speed minus the Secondary speed, multiplied by the estimated ratio is less than 1000 rpm.

Perform CVT PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

Scheme 21

Scheme 22

Scheme 23

1. CHECK TO SEE IF THE DTC IS ACTIVE With the scan tool, read Transmission DTCs. Is the status Active for this DTC or is the STARTS SINCE SET counter 2 or less? Yes Go To 2 . No Go To 10 .
2. CHECK FOR ENGINE CAM OR CRANK SENSOR DTCS With the scan tool, check engine DTCs. Are there any Engine Cam or Crank sensor DTCs present? Yes Refer to the appropriate Engine ELECTRICAL DIAGNOSTICS article and perform the appropriate symptom(s). Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Go To 3 .
3. CHECK THE (T16) TRANSMISSION CONTROL OUTPUT CIRCUIT FOR AN OPEN (HIGH RESISTANCE) Disconnect the Input Speed Sensor harness connector. Ignition on, engine not running With the scan tool under TIPM, actuate the Transmission. Using a 12-volt test light connected to ground, check the (T16) Transmission Control Output circuit at the Input Speed Sensor harness connector. NOTE: The test light must illuminate brightly. Compare the brightness to that of a direct connection to the battery. Does the test light illuminate brightly? Yes Go To 4 . No Repair the (T16) Transmission Control Output circuit for an open or high resistance. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) .
4. CHECK THE (T14) INPUT SPEED SENSOR SIGNAL CIRCUIT With the scan tool under TIPM, stop the Transmission actuator. Turn the ignition off, wait 5 seconds, then turn the ignition on. Measure the voltage of the (T14) Input Speed Sensor Signal circuit. Pick the answer that best matches your findings: Voltage above 5.5 volts Go To 6 . Voltage below 4.5 volts Go To 5 . Voltage between 4.5 and 5.5 volts Go To 7 .
5. CHECK THE (T14) INPUT SPEED SENSOR SIGNAL CIRCUIT FOR AN OPEN (HIGH RESISTANCE) Turn the ignition off to the lock position. Disconnect the TCM C2 harness connector. Connect a jumper wire between the (T14) Input Speed Sensor Signal circuit in the Input Speed Sensor harness connector and B(+). Using a 12-volt test light connected to ground, check the (T14) Input Speed Sensor Signal circuit in the TCM C2 harness connector. NOTE: The test light must illuminate brightly. Compare the brightness to that of a direct connection to the battery. Does the test light illuminate brightly? Yes Using the schematics as a guide, check the Transmission Control Module (TCM) terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. Check for any Service Bulletins for possible causes that may apply. If no problems are found, replace the TCM per the Service Information. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Repair the (T14) Input Speed Sensor Signal circuit for an open or high resistance. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) .
6. CHECK THE (T14) INPUT SPEED SENSOR SIGNAL CIRCUIT FOR A SHORT TO VOLTAGE Turn the ignition off to the lock position. Disconnect the TCM C2 harness connector. Ignition on, engine not running Measure the voltage of the (T14) Input Speed Sensor Signal circuit. Is the voltage above 0.2 volts? Yes Repair the (T14) Input Speed Sensor Signal circuit for a short to voltage. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Using the schematics as a guide, check the Transmission Control Module (TCM) terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. Check for any Service Bulletins for possible causes that may apply. If no problems are found, replace the TCM per the Service Information. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) .
7. CHECK THE TORQUE CONVERTER Turn the ignition off to the lock position. Reinstall all components and reconnect all previously disconnected harness connectors. Ignition on, engine not running With the scan tool, erase all Transmission DTCs. Test drive the vehicle to speeds allowing the Torque Converter to obtain lock-up. Note the Engine rpm compared to the Transmission Input rpm. Did the difference between the Engine rpm and the Transmission Input rpm differ over 1000 rpm? Yes Go To 8 . No Go To 9 .
8. CHECK THE INPUT SPEED SENSOR Turn the ignition off to the lock position. Remove the Input Speed Sensor per the Service Information. Check the Input Speed Sensor for any debris buildup or damage. Did the Input Speed Sensor show any signs of debris buildup or damage? Yes If there is a debris build up, clean the Output Speed Sensor as necessary and reinstall. If damaged or questionable in condition, replace the Input Speed Sensor. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Replace the Torque Converter per the Service Information. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) .
9. CHECK IF THE DTC RESETS Did the DTC P0716-INPUT SPEED SENSOR 1 CIRCUIT PERFORMANCE reset during the test drive? Yes Using the schematics as a guide, check the Transmission Control Module (TCM) terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. Check for any Service Bulletins for possible causes that may apply. If no problems are found, replace the TCM per the Service Information. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Go To 10 .
10. INTERMITTENT WIRING AND CONNECTORS The conditions necessary to set this DTC are not present at this time. Using the schematics as a guide, inspect the wiring and connectors specific to this circuit. Wiggle the wires while checking for shorted and open circuits. Check for any Service Bulletins for possible causes that may apply. Were there any problems found? Yes Repair as necessary. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Test Complete.

1. When Monitored: Ignition on, engine running with system voltage between 9.0 and 16.0 volts. No detected Primary Speed Sensor and/or Sensor ground DTCs.

1. Set Condition: Condition one: Input speed rpm is less than 150 rpm with a Output speed rpm greater than 1000 rpm for the period of 5 seconds. Condition two: Input speed rpm last value is greater than 1000 rpm where as the Input speed rpm current value is zero rpm for the period of 500 msec. Condition three: Both the Input and Output Speed sensors are less than 150 rpm with a actual vehicle speed greater than 10 Km/h. (Note: this is an indication of either the power supply to both sensors is open or the C106 connector is disconnected.)

Perform CVT PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

Scheme 24

Scheme 25

Scheme 26

Scheme 27

1. CHECK IF THE DTC IS ACTIVE With the scan tool, read Transmission DTCs. Is the status Active for this DTC or is the STARTS SINCE SET counter 2 or less? Yes Go To 2 . No Go To 9 .
2. CHECK IF BOTH SPEED SENSORS SHOW NO SIGNAL With the scan tool, read Transmission DTCs. Are both the Input and Output Speed Sensor No Signal DTCs set? Yes Check the C106 connector for improper connection and repair as necessary. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . If no problem is found with the C106 connector - Go To 3 . No Go To 3 .
3. CHECK THE (T16) TRANSMISSION CONTROL OUTPUT CIRCUIT FOR AN OPEN Turn the ignition off to the lock position. Disconnect the Input Speed Sensor harness connector. Ignition on, engine not running. With the scan tool under TIPM, actuate the Transmission. Using a 12-volt test light connected to ground, check the (T16) Transmission Control Output circuit at the Input Speed Sensor harness connector. NOTE: The test light must illuminate brightly. Compare the brightness to that of a direct connection to the battery. Does the test light illuminate brightly? Yes Go To 4 . No Repair the (T16) Transmission Control Output circuit for an open or high resistance. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) .
4. CHECK THE (T14) INPUT SPEED SENSOR SIGNAL CIRCUIT SHORT TO VOLTAGE Turn the ignition off to the lock position. Disconnect the TCM C2 harness connector. Ignition on, engine not running. Measure the voltage of the (T14) Input Speed Sensor Signal circuit. Is the voltage above 0.5 volts? Yes Repair the (T14) Input Speed Sensor Signal circuit for a short to voltage. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Go To 5 .
5. CHECK THE (T14) INPUT SPEED SENSOR SIGNAL CIRCUIT FOR AN OPEN Turn the ignition off to the lock position. Measure the resistance of the (T14) Input Speed Sensor Signal circuit between the TCM C2 harness connector and the Input Speed Sensor harness connector. Is the resistance below 5.0 ohms? Yes Go To 6 . No Repair the (T14) Input Speed Sensor Signal circuit for an open. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) .
6. CHECK THE (T14) INPUT SPEED SENSOR SIGNAL CIRCUIT FOR A SHORT TO GROUND Measure the resistance between ground and the (T14) Input Speed Sensor Signal circuit. Is the resistance below 5.0 ohms? Yes Repair the (T14) Input Speed Sensor Signal circuit for a short to ground. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Go To 7 .
7. CHECK THE (T13) SENSOR GROUND CIRCUIT FOR AN OPEN (HIGH RESISTANCE) Turn the ignition off to the lock position. Disconnect the TCM C2 harness connector. Connect a jumper wire between the (T13) Sensor Ground circuit in the Input Speed Sensor harness connector and B(+). Using a 12-volt test light connected to ground, check the (T13) Sensor Ground circuit in the TCM C2 harness connector. Does the test light illuminate brightly? Yes Go To 8 . No Repair the (T13) Sensor Ground circuit for an open or high resistance. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) .
8. CHECK THE INPUT SPEED SENSOR Turn the ignition off to the lock position Replace the Input Speed Sensor per the Service Information. Reconnect all previously disconnected connectors. Ignition on, engine not running. With the scan tool, erase all Transmission DTCs. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . NOTE: Make sure to perform a test drive of the vehicle. With the scan tool, read Transmission DTCs. Did the DTC P0717 reset? Yes Using the schematics as a guide, check the Transmission Control Module (TCM) terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. Check for any Service Bulletins for possible causes that may apply. If no problems are found, replace the TCM per the Service Information. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Repair is complete.
9. INTERMITTENT WIRING AND CONNECTORS The conditions necessary to set this DTC are not present at this time. Using the schematics as a guide, inspect the wiring and connectors specific to this circuit. Wiggle the wires while checking for shorted and open circuits. Were there any problems found? Yes Repair as necessary. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Test Complete.

1. When Monitored: Ignition on, engine running with the transmission in a valid forward gear. System voltage between 9.0 and 16+.0 volts. Vehicle speed greater than 10 Km/h (6 mph). Accelerator Pedal Position (APP) greater than 12.5%. Engine rpm greater than 450 rpm with TCC lock-up enabled. No active DTCs from the following
2. Torque Convertor Clutch (TCC)
3. Lock-up Solenoid
4. CAN Bus
5. Step Motor
6. Input or Output Speed Sensor No Signal
7. Transmission Range Sensor (TRS)
8. Sensor Ground

1. Set Condition

All the below conditions must be present for the period of 5 seconds for the DTC to set

1. Engine speed minus the primary speed is less than 1000 rpm.

1. Secondary speed multiplied by the estimated ratio, minus the Primary speed is greater than 1000 rpm.

1. Vehicle speed minus the Vehicle speed calculated using the Secondary speed, is greater than or equal to 20 Km/h (12.5 mph)

Perform CVT PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

Scheme 28

Scheme 29

Scheme 30

Scheme 31

Scheme 32

Scheme 33

1. CHECK TO SEE IF THE DTC IS ACTIVE With the scan tool, read Transmission DTCs. Is the status Active for this DTC or is the STARTS SINCE SET counter 2 or less? Yes Go To 2 . No Go To 11 .
2. CHECK FOR ENGINE CAM OR CRANK SENSOR DTCS With the scan tool, check engine DTCs. Are there any Engine Cam or Crank sensor DTCs present? Yes Refer to the appropriate Engine ELECTRICAL DIAGNOSTICS article and perform the appropriate symptom(s). Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Go To 3 .
3. CHECK THE (T16) TRANSMISSION CONTROL OUTPUT CIRCUIT FOR AN OPEN (HIGH RESISTANCE) Disconnect the Output Speed Sensor harness connector. Ignition on, engine not running With the scan tool under TIPM, actuate the Transmission. Using a 12-volt test light connected to ground, check the (T16) Transmission Control Output circuit at the Output Speed Sensor harness connector. NOTE: The test light must illuminate brightly. Compare the brightness to that of a direct connection to the battery. Does the test light illuminate brightly? Yes Go To 4 . No Repair the (T16) Transmission Control Output circuit for an open or high resistance. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) .
4. CHECK THE (T52) OUTPUT SPEED SENSOR SIGNAL CIRCUIT With the scan tool under TIPM, stop the Transmission actuator. Turn the ignition off, wait 5 seconds, then turn the ignition on. Measure the voltage of the (T52) Output Speed Sensor Signal circuit. Pick the answer that best matches your findings: Voltage above 9.0 volts Go To 5 . Voltage below 9.0 volts Go To 6 .
5. CHECK THE (T52) OUTPUT SPEED SENSOR SIGNAL CIRCUIT FOR A SHORT TO VOLTAGE Turn the ignition off to the lock position. Disconnect the TCM C2 harness connector. Ignition on, engine not running Measure the voltage of the (T52) Output Speed Sensor Signal circuit. Is the voltage above 0.2 volts? Yes Repair the (T52) Output Speed Sensor Signal circuit for a short to voltage. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Using the schematics as a guide, check the Transmission Control Module (TCM) terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. Check for any Service Bulletins for possible causes that may apply. If no problems are found, replace the TCM per the Service Information. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) .
6. CHECK THE (T52) OUTPUT SPEED SENSOR SIGNAL CIRCUIT FOR AN OPEN (HIGH RESISTANCE) Turn the ignition off to the lock position. Disconnect the TCM C2 harness connector. Connect a jumper wire between the (T52) Output Speed Sensor Signal circuit and B(+) in the Output Speed Sensor harness connector. Using a 12-volt test light connected to ground, check the (T52) Output Speed Sensor Signal circuit in the TCM C2 harness connector. NOTE: The test light must illuminate brightly. Compare the brightness to that of a direct connection to the battery. Does the test light illuminate brightly? Yes Go To 7 . No Repair the (T52) Output Speed Sensor Signal circuit for an open or high resistance. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) .
7. CHECK THE (T130) OUTPUT SPEED SENSOR GROUND CIRCUIT SHORT TO VOLTAGE Turn the ignition off to the lock position. Disconnect the jumper wire. Disconnect the TCM C2 harness connector. Ignition on, engine not running Measure the voltage of the (T130) Output Speed Sensor Ground circuit. Is the volage above 0.2 volts? Yes Repair the (T130) Output Speed Sensor Ground circuit for a short to voltage Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Go To 8 .
8. CHECK THE (T130) OUTPUT SPEED SENSOR GROUND CIRCUIT FOR AN OPEN (HIGH RESISTANCE) Turn the ignition off to the lock position. Connect a jumper wire between the (T130) Output Speed Sensor Ground circuit in the Output Speed Sensor harness connector and B(+). Using a 12-volt test light connected to ground, check the (T130) Output Speed Sensor Ground circuit in the TCM C2 harness connector. Does the test light illuminate brightly? Yes Go To 9 . No Repair the (T130) Output Speed Sensor Ground circuit for an open or high resistance. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) .
9. CHECK THE OUTPUT SPEED SENSOR Turn the ignition off to the lock position. Remove the Output Speed Sensor per the Service Information. Check the Output Speed Sensor for any debris buildup or damage. Did the Output Speed Sensor show any signs of debris buildup or damage? Yes If there is a debris build up, clean the Output Speed Sensor as necessary and reinstall. If damaged or questionable in condition, replace the Output Speed Sensor. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Go To 10 .
10. REPLACE SPEED SENSOR AND TEST DRIVE VEHICLE Turn the ignition off to the lock position. Replace the Output Speed Sensor per the Service Information Reconnect all previously disconnected harness connectors. Ignition on, engine not running With the scan tool, erase all Transmission DTCs. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . NOTE: Test drive the vehicle to speeds that will allow Torque Converter lock-up. With the scan tool, read Transmission DTCs. Does the DTC P0721 reset? Yes Using the schematics as a guide, check the Transmission Control Module (TCM) terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. Check for any Service Bulletins for possible causes that may apply. If no problems are found, replace the TCM per the Service Information. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Test Complete.
11. INTERMITTENT WIRING AND CONNECTORS The conditions necessary to set this DTC are not present at this time. Using the schematics as a guide, inspect the wiring and connectors specific to this circuit. Wiggle the wires while checking for shorted and open circuits. Were there any problems found? Yes Repair as necessary. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Test Complete.

1. When Monitored: Ignition on, engine running with system voltage between 9.0 and 16.0 volts. No detected Primary Speed Sensor DTCs.

1. Set Condition: Condition one: Output speed rpm is less than 150 rpm with a Input speed rpm greater than 1000 rpm for the period of 5 seconds. Condition two: Vehicle speed is greater than 20 Km/h (12.5 mph) calculated by the last secondary speed with the current Output Speed value equals to 0 rpm for the period of 500 msec. Condition three: Both the Input and Output Speed sensors are less than 150 rpm with a actual vehicle speed greater than 10 Km/h. (Note: this is an indication of either the power supply to both sensors is open or the C106 connector is disconnected.)

Perform CVT PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

Scheme 34

Scheme 35

Scheme 36

1. CHECK TO SEE IF THE DTC IS ACTIVE With the scan tool, read Transmission DTCs. Is the status Active for this DTC or is the STARTS SINCE SET counter 2 or less? Yes Go to 2 . No Go to 9 .
2. CHECK IF BOTH SPEED SENSORS SHOW NO SIGNAL With the scan tool, read Transmission DTCs. Are both the Input and Output Speed Sensor No Signal DTCs set? Yes Check the C106 connector for improper connection and repair as necessary. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . If no problems are found in the C106 connector - Go to 3 . No Go to 3 .
3. CHECK THE (T16) TRANSMISSION CONTROL OUTPUT CIRCUIT FOR AN OPEN Turn the ignition off to the lock position. Disconnect the Output Speed Sensor harness connector. Ignition on, engine not running. With the scan tool under TIPM, actuate the Transmission. Using a 12-volt test light connected to ground, check the (T16) Transmission Control Output circuit at the Output Speed Sensor harness connector. NOTE: The test light must illuminate brightly. Compare the brightness to that of a direct connection to the battery. Does the test light illuminate brightly? Yes Go to 4 . No Repair the (T16) Transmission Control Output circuit for an open or high resistance. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) .
4. CHECK THE (T52) OUTPUT SPEED SENSOR SIGNAL CIRCUIT SHORT TO VOLTAGE Turn the ignition off to the lock position. Disconnect the TCM C2 harness connector. Ignition on, engine not running. Measure the voltage of the (T52) Output Speed Sensor Signal circuit. Is the voltage above 0.5 volts? Yes Repair the (T52) Output Speed Sensor Signal circuit for a short to voltage. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Go to 5 .
5. CHECK THE (T52) OUTPUT SPEED SENSOR SIGNAL CIRCUIT FOR AN OPEN Turn the ignition off to the lock position. Measure the resistance of the (T52) Output Speed Sensor Signal circuit between the TCM C2 harness connector and the Output Speed Sensor harness connector. Is the resistance below 5.0 ohms? Yes Go to 6 . No Repair the (T52) Output Speed Sensor Signal circuit for an open. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) .
6. CHECK THE (T52) OUTPUT SPEED SENSOR SIGNAL CIRCUIT FOR A SHORT TO GROUND Measure the resistance between ground and the (T52) Output Speed Sensor Signal circuit. Is the resistance below 5.0 ohms? Yes Repair the (T52) Output Speed Sensor Signal circuit for a short to ground. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Go to 7 .
7. CHECK THE (T130) OUTPUT SPEED SENSOR GROUND CIRCUIT FOR AN OPEN Measure the resistance of the (T130) Output Speed Sensor Ground circuit between the TCM C2 harness connector and the Output Speed Sensor harness connector. Is the resistance below 5.0 ohms? Yes Go to 8 . No Repair the (T130) Output Speed Sensor Ground circuit for an open. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) .
8. CHECK THE OUTPUT SPEED SENSOR Turn the ignition off to the lock position Replace the Output Speed Sensor per the Service Information. Reconnect all previously disconnected connectors. Ignition on, engine not running. With the scan tool, erase all Transmission DTCs. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . NOTE: Make sure to perform a test drive of the vehicle. With the scan tool, read Transmission DTCs. Did the DTC P0722 reset? Yes Using the schematics as a guide, check the Transmission Control Module (TCM) terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. Check for any Service Bulletins for possible causes that may apply. If no problems are found, replace the TCM per the Service Information. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Repair is complete.
9. INTERMITTENT WIRING AND CONNECTORS The conditions necessary to set this DTC are not present at this time. Using the schematics as a guide, inspect the wiring and connectors specific to this circuit. Wiggle the wires while checking for shorted and open circuits. Were there any problems found? Yes Repair as necessary. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Test Complete.

1. When Monitored

Ignition on, engine running with the transmission in a valid forward gear.

System voltage between 9.0 and 16.0 volts.

Accelerator Pedal Position (APP) greater than 12.5% with an engine rpm greater than 450 rpm.

Vehicle speed greater than 10 Km/h (6 mph).

Transmission fluid temperature greater than 20° C (68° F).

No active DTCs from the following

1. Step Motor
2. Transmission Temperature Sensor
3. Transmission Range Sensor
4. Line Pressure Solenoid
5. Input or Output Speed Sensor
6. Primary or Secondary Pressure Sensor
7. Over Temperature

1. Set Condition: If the difference between the transmission estimated pulley speed and the measured primary pulley speed is greater than 1000 rpm (belt slipping) for the continuous period of 5.0 seconds.

Perform CVT PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

1. When Monitored: Ignition on, engine running with the transmission in a valid forward gear. System voltage between 9.0 and 16.0 volts. Vehicle speed greater than 10 Km/h (6 mph). Accelerator Pedal Position (APP) greater than 12.5%. Engine rpm greater than 450 rpm with TCC lock-up enabled. TCC Lock up command is ON (True). No active DTCs from the following
2. Step motor
3. Line Pressure Solenoid
4. Secondary Solenoid
5. Input or Output Speed Sensor
6. Primary or Secondary Pressure Sensor
7. CAN Bus

1. Set Condition: The DTC is detected If the Torque Convertor Clutch (TCC) slip monitored by the Transmission Control Module (TCM) is greater than a predetermined value for the period of 30 seconds. Note: This is not an electrical fault but a mechanical malfunction such as a control valve sticking in its bore or a TCC Solenoid hydraulic malfunction. It takes two consecutive problem identification trips for the DTC to mature and illuminate the MIL.

Perform CVT PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

1. When Monitored: Ignition on, engine running with the transmission in a valid forward gear. Vehicle speed greater than 10 Km/h (6 mph). Accelerator Pedal Position (APP) greater than 12.5%. Engine rpm greater than 450 rpm. Primary Pulley Speed grater than 500 rpm. No active DTCs from the following
2. Line Pressure Solenoid
3. Temperature Sensor
4. Primary or Secondary Pressure Sensor
5. Transmission Range Sensor
6. Step Motor
7. Secondary Solenoid electrical
8. Input and Output Speed Sensor
9. Torque Convertor Clutch
10. CAN Bus
11. Over Temperature Condition

1. Set Condition: Condition one: Gear ratio is greater than 2.7 - 2 for the period of 0.2 seconds (first trip). Condition two: Gear ratio is greater than 3.5 - 1 for the period of 0.1 seconds (second trip).

Perform CVT PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

Scheme 37

Scheme 38

1. CHECK TO SEE IF THE DTC IS ACTIVE With the scan tool, read Transmission DTCs. Is the status Active for this DTC or is the STARTS SINCE SET counter 2 or less? Yes Go To 2 . No Go To 5 .
2. CHECK IF SPEED SENSOR DTCS ARE PRESENT With the scan tool, read Transmission DTCs. Are there any Active or Stored Speed Sensor DTCs also present? Yes Refer to the appropriate Transmission DTC and repair as necessary. No Go To 3 .
3. CHECK THE (T20) LINE PRESSURE SOLENOID CONTROL CIRCUIT Turn the ignition off to the lock position. Disconnect the Transmission Solenoid/Pressure Switch Assembly harness connector. Ignition on, engine not running. With the scan tool, actuate the Line Pressure Solenoid (PL). Using a 12-volt test light connected to ground, check the (T20) Line Pressure Solenoid Control circuit in the Transmission Solenoid/Pressure Switch Assembly harness connector. NOTE: The test light must illuminate brightly. Compare the brightness to that of a direct connection to the battery. Does the test light illuminate brightly? Yes Replace or repair the CV Transmission per the Service Information. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Go To 4 .
4. CHECK THE TRANSMISSION CONTROL MODULE Turn the ignition off to the lock position. Disconnect the TCM C1 harness connector. Connect a jumper wire between the (T20) Line Pressure Solenoid Control circuit in the TCM C1 harness connector and B(+). Using a 12-volt test light connected to ground, check the (T20) Line Pressure Solenoid Control circuit in the Transmission Solenoid/Pressure Switch Assembly harness connector. Does the test light illuminate brightly? Yes Using the schematics as a guide, check the Transmission Control Module (TCM) terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. Check for any Service Bulletins for possible causes that may apply. If no problems are found, replace the TCM per the Service Information. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Repair the (T20) Line Pressure Solenoid Control circuit for an open (high resistance). Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) .
5. INTERMITTENT WIRING AND CONNECTORS The conditions necessary to set this DTC are not present at this time. Using the schematics as a guide, inspect the wiring and connectors specific to this circuit. Wiggle the wires while checking for shorted and open circuits. Were there any problems found? Yes Repair as necessary. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Test Complete.

1. When Monitored: Ignition on, engine running with the transmission in a valid forward gear. Vehicle speed greater than 10 Km/h (6 mph). Accelerator Pedal Position (APP) greater than 12.5%. Engine rpm greater than 450 rpm with a transmission fluid temperature greater than 20° C (68° F) No active DTCs from the following
2. Line Pressure Solenoid
3. Lock-up Solenoid
4. Primary or Secondary Pressure Sensor
5. Transmission Range Sensor
6. Step Motor
7. Secondary Solenoid electrical
8. Input and Output Speed Sensor
9. Torque Convertor Clutch
10. CAN Bus
11. Over Temperature Condition

1. Set Condition: When the difference between actual secondary pressure compared to the target (desired) secondary pressure is greater than 1200 Kpa (174 psi) for the period of 30 seconds. It takes two consecutive problem identified trips to set the DTC.

Perform CVT PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

Scheme 39

Scheme 40

1. CHECK IF THE DTC IS ACTIVE With the scan tool, read Transmission DTCs. Is the status Active for this DTC or is the STARTS SINCE SET counter 2 or less? Yes Go To 2 . No Go To 7 .
2. CHECK LINE PRESSURE Approximate Engine rpm to Line pressure readings Engine rpm Line Pressure Idle 750 kPa (108.8 psi) ± 400 kPa (58 psi) 2.0L - 2500 to 3000 rpm 5300 - 5700 kPa (768.5 - 826.5 psi) ± 400 kPa (58 psi) 2.4L - 2600 to 3100 rpm Start the engine and warm the transmission to 50 - 80° C (122 - 174° F). Turn the ignition off to the lock position. Install an appropriate pressure gauge in the Line Pressure test port per the Service Information. WARNING: The CV Transmission can generate a line pressure up to 7000 kPa (1015 psi). Failure to use recommended test equipment referred to by the Service Information can result in personal injury or death. With the scan tool, erase Transmission DTCs. WARNING: Apply the parking brake. Failure to follow these instructions can result in personal injury or death. With the brakes firmly applied, start the engine allow to idle and shift the transmission into Reverse, Drive and Low while recording the scan tool Line pressure reading and the pressure gauge reading in each shift lever position. With the brakes still firmly applied, raise the engine rpm between 2700 - 3250 rpm and shift the transmission into Reverse, Drive and Low while recording the scan tool line pressure reading and the pressure gauge reading in each shift lever position. CAUTION: Do not hold the engine rpm between 2700 - 3250 rpm for more than 5 seconds in any given shift position. If the 5 second threshold is exceeded, transmission damage can occur. Allow to idle in neutral between shifts for at least 15 to 20 seconds to allow transmission fluid to cool. Do the gauge readings fall into the desired pressure ranges? Yes Go To step 4 . No Go To step 3 .
3. VERIFY PROBLEM Possible causes to conditions detected ENGINE RPM LINE PRESSURE CONDITION DETECTED POSSIBLE CAUSES BUT NOT JUST LIMITED TO THESE Idle speed Low for all shift lever positions Oil Pump Wear Pressure Regulator Valve for plug sticking or spring fatigue Oil filter, oil pump, pressure regulator valve passage oil leak Engine idle speed too low Only low for a specific position Oil pressure leak in a passage or component related to the position after the pressure is distributed by the manual valve High TP or APP sensor signal malfunction CVT fluid temperature sensor malfunction Line pressure solenoid sticking in the off state, filter plugged, cut line Pressure regulator valve or plug sticking Engine rpm between 2700 and 3250 rpm Line pressure does not rise above the line pressure at idle TP or APP sensor signal malfunction Line pressure solenoid sticking in the on state, filter plugged Pressure regulator valve or plug sticking Transmission Control Module (TCM) Oil pump weak or worn Line Pressure rises but does not reach desired level TP or APP sensor signal malfunction Line pressure solenoid sticking in the off state, filter plugged, cut line Pressure regulator valve or plug sticking Oil pump weak or worn Line pressure is low in only one shift lever position Oil pressure leak in a passage or component related to the position after the pressure is distributed by the manual valve Use the above chart to help identify the possible cause. NOTE: There may be other possible causes besides those listed on the above chart. Review any Service Bulletins and refer to the Service Information for any additional possible causes that may apply. View repair Repair Replace or repair the CV Transmission as necessary per the Service Information Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) .
4. CHECK THE SECONDARY PRESSURE Turn the ignition off to the lock position. Disconnect the pressure gauge from the Line Pressure test port and reinstall the test port plug. Install the pressure gauge in the Secondary Pressure test port per the Service Information. With the scan tool, erase Transmission DTCs. WARNING: Apply the parking brake. Failure to follow these instructions can result in personal injury or death. With the brakes firmly applied, start the engine allow to idle and shift the transmission into Reverse, Drive and Low while comparing the Secondary Pressure gauge reading to the scan tool Secondary Pressure reading in each shift lever position and record your findings. With the brakes still firmly applied, raise the engine rpm between 2700 - 3250 rpm and shift the transmission into Reverse, Drive and Low while comparing the gauge Secondary Pressure to the scan tool Secondary Pressure in each shift lever position and record your findings. CAUTION: Do not hold the engine rpm between 2700 - 3250 rpm for more than 5 seconds in any given shift position. If the 5 second threshold is exceeded, transmission damage can occur. Allow to idle in neutral between shifts for at least 15 to 20 seconds to allow transmission fluid to cool. Does the Secondary Pressure gauge readings match the scan tool readings in all of the above procedures? Yes Replace or repair the CV Transmission as necessary per the Service Information for components related to the Secondary pressure solenoid. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Go To step 5 .
5. CHECK THE SECONDARY PRESSURE SENSOR Turn the ignition off to the lock position. Disconnect the pressure gauge from the Secondary Pressure test port and reinstall the test port plug. Disconnect the Transmission Solenoid/Pressure Switch Assembly harness connector. Connect a jumper wire between the (T50) Secondary Pressure Sensor Signal circuit and the (T72) 5-volt Supply circuit in the Transmission Solenoid/Pressure Switch Assembly harness connector. Ignition on, engine not running. With the scan tool read the Secondary Pressure voltage. Is the voltage between 4.5 and 5.5 volts? Yes Replace the CVT or the Secondary Pressure Sensor (Valve Body) per the Service Information. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Go To step 6 .
6. CHECK THE (T21) PRIMARY PRESSURE SENSOR SIGNAL CIRCUIT FOR HIGH RESISTANCE Turn the ignition off to the lock position. Disconnect the TCM C2 harness connector. Connect a jumper wire between the B(+) and the (T21) Primary Pressure Sensor Signal circuit in the Transmission Solenoid/Pressure Switch harness connector. Using a 12-volt test light connected to ground, check the (T21) Primary Pressure Sensor Signal circuit in the TCM C2 harness connector. NOTE: The test light must illuminate brightly. Compare the brightness to that of a direct connection to the battery. Does the test light illuminate brightly? Yes Using the schematics as a guide, check the Transmission Control Module (TCM) terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. Check for any Service Bulletins for possible causes that may apply. If no problems are found, replace the TCM per the Service Information. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Repair the (T21) Primary Pressure Sensor Signal circuit for an open (high resistance). Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) .
7. INTERMITTENT WIRING AND CONNECTORS The conditions necessary to set this DTC are not present at this time. Using the schematics as a guide, inspect the wiring and connectors specific to this circuit. Wiggle the wires while checking for shorted and open circuits. Were there any problems found? Yes Repair as necessary. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Test Complete.

1. When Monitored: Ignition on, engine running with the transmission not in neutral or park. Transmission fluid temperature greater than -20° C (-4° F). Brake Switch in the OFF mode. Change rate of vehicle speed greater than 24 Km/h (15 mph). Change rate of accelerator pedal position less than ± 6.25%. Engine rpm greater than 450 rpm with a transmission fluid temperature greater than 20° C (68° F) No active DTCs from the following
2. Line Pressure Solenoid
3. Primary or Secondary Pressure Sensor
4. Step Motor
5. Secondary Solenoid electrical
6. Input and Output Speed Sensor
7. CAN Bus

1. Set Condition: When the secondary pressure goes down gradually below a predetermined value during a drive cycle. The DTC could be due to the failure of the secondary pressure control system, secondary pressure solenoid performance or line pressure solenoid. There are two possible setting conditions to set this DTC.

Condition one

1. Target secondary pressure minus the measured secondary pressure is greater than 0.25 MPa (36 psi) for two consecutive instances of a problem identification for the period of 1.5 seconds within a 30 second interval.

Condition two

1. Target secondary pressure minus the measured secondary pressure is greater than 2.0 MPa (291 psi) for the period of 800 msec.

Perform CVT PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

1. When Monitored: Ignition on with a system voltage between 9.0 and 16 volts.

1. Set Condition: Upshift and Downshift requested simultaneously while in the Drive position or the Upshift and/or Downshift request during while not in the Drive position for the period of 1.0 second.

Perform CVT PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

Scheme 41

Scheme 42

1. CHECK IF THE DTC IS ACTIVE With the scan tool, erase Transmission DTCs. Start the engine, with the brakes firmly applied shift the shift lever into Drive and make several AutoStick upshifts and downshifts. With the scan tool, read Transmission DTCs. Is the status Active for this DTC or is the STARTS SINCE SET counter 2 or less? Yes Go To 2 . No Go To 7 .
2. VERIFY PROBLEM With the scan tool, read the AutoStick upshift and downshift status. Does the scan tool show either the upshift or downshift as true with the shifter in the center position (pick best answer)? Upshift shows as true Go To 3 . Downshift shows as true Go To 5 . Neither circuit shows as true Using the schematics as a guide, check the Transmission Control Module (TCM) terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. Check for any Service Bulletins for possible causes that may apply. If no problems are found, replace the TCM per the Service Information. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) .
3. CHECK THE SHIFT LEVER ASSEMBLY Turn the ignition off to the lock position. Disconnect the Shift Lever Assembly harness connector. Ignition on, engine not running. With the scan tool read the AutoStick Upshift status. Does the Upshift still show as true? Yes Go To 4 . No Replace the Shift Lever Assembly per the Service Information. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) .
4. CHECK THE (T5) AUTOSTICK UPSHIFT SWITCH SIGNAL CIRCUIT FOR A SHORT TO GROUND Turn the ignition off to the lock position. Disconnect the TCM C2 harness connector. Measure the resistance between ground and the (T5) AutoStick Upshift Switch Signal circuit. Is the resistance below 5.0 ohms? Yes Repair the (T5) AutoStick Upshift Switch Signal circuit for a short to ground. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Using the schematics as a guide, check the Transmission Control Module (TCM) terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. Check for any Service Bulletins for possible causes that may apply. If no problems are found, replace the TCM per the Service Information. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) .
5. CHECK THE SHIFT LEVER ASSEMBLY Turn the ignition off to the lock position. Disconnect the Shift Lever Assembly harness connector. Ignition on, engine not running. With the scan tool read the AutoStick Downshift status. Does the Downshift still show as true? Yes Go To 6 . No Replace the Shift Lever Assembly per the Service Information. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) .
6. CHECK THE (T44) AUTOSTICK DOWNSHIFT SWITCH SIGNAL CIRCUIT FOR A SHORT TO GROUND Turn the ignition off to the lock position. Disconnect the TCM C2 harness connector. Measure the resistance between ground and the (T44) AutoStick Downshift Switch Signal circuit. Is the resistance below 5.0 ohms? Yes Repair the (T44) AutoStick Downshift Switch Signal circuit for a short to ground. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Using the schematics as a guide, check the Transmission Control Module (TCM) terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. Check for any Service Bulletins for possible causes that may apply. If no problems are found, replace the TCM per the Service Information. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) .
7. INTERMITTENT WIRING AND CONNECTORS The conditions necessary to set this DTC are not present at this time. Using the schematics as a guide, inspect the wiring and connectors specific to this circuit. Wiggle the wires while checking for shorted and open circuits. Were there any problems found? Yes Repair as necessary. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Test Complete.

1. When Monitored: Ignition on, system voltage between 9.0 and 16.0 volts. Transmission temperature greater than -20° C (-4° F) No active DTCs from the following
2. Primary Oil Pressure Sensor High
3. Sensor ground

1. Set Condition: When the monitored voltage drops below 0.09 volts for the period of 5 seconds.

Perform CVT PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

Scheme 43

Scheme 44

Scheme 45

Scheme 46

1. CHECK THE PRIMARY PRESSURE SENSOR VOLTAGE With the scan tool, read the Primary Pulley Pressure Sensor voltage. Is the voltage below 0.09 volts? Yes Go To 2 . No Go To 7 .
2. CHECK THE (T72) 5 VOLT SUPPLY CIRCUIT Turn the ignition off to the lock position. Disconnect the Transmission Solenoid/Pressure Switch Assembly harness connector. Ignition on, engine not running. Measure the voltage of the (T72) 5 Volt Supply circuit in the Transmission Solenoid/Pressure Switch Assembly harness connector. Is the voltage 5.0 volts (± 0.2 volts)? Yes Go To 3 . No Go To 6 .
3. CHECK THE (T21) PRIMARY PRESSURE SENSOR SIGNAL CIRCUIT Turn the ignition off to the lock position. Disconnect the Transmission Solenoid/Pressure Switch Assembly harness connector. Ignition on, engine not running. Connect a jumper wire between the (T21) Primary Pressure Sensor Signal circuit and the (T72) 5 Volt Supply circuit in the Transmission Solenoid/Pressure Switch Assembly harness connector. With the scan tool, read the Primary Pulley Pressure Sensor voltage. Is the voltage 5.0 volts (± 0.2 volts)? Yes Replace CV Transmission or replace the Primary Pressure Sensor (Valve Body) per the Service Information. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Go To 4 .
4. CHECK THE (T21) PRIMARY PRESSURE SENSOR SIGNAL CIRCUIT FOR AN OPEN Turn the ignition off to the lock position. Disconnect the TCM C2 harness connector. Measure the resistance of the (T21) Primary Pressure Sensor Signal circuit between the TCM C2 harness connector and the Transmission Solenoid/Pressure Switch Assembly harness connector. Is the resistance above 5.0 ohms? Yes Repair the (T21) Primary Pressure Sensor Signal circuit for an open or high resistance. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Go To 5 .
5. CHECK THE (T21) PRIMARY PRESSURE SENSOR SIGNAL CIRCUIT FOR A SHORT TO GROUND Measure the resistance between ground and the (T21) Primary Pressure Sensor Signal circuit. Is the resistance below 5.0 ohms? Yes Repair the (T21) Primary Pressure Sensor Signal circuit for a short to ground. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Using the schematics as a guide, check the Transmission Control Module (TCM) terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. Check for any Service Bulletins for possible causes that may apply. If no problems are found, replace the TCM per the Service Information. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) .
6. CHECK THE (T72) 5 VOLT SUPPLY CIRCUIT FOR AN OPEN While back probing, measure the voltage of the (T72) 5 Volt Supply circuit in Transmission Solenoid/Pressure Switch Assembly harness connector. Is the voltage 5.0 volts (± 0.2 volts)? Yes Repair the (T72) 5 Volt Supply circuit for an open or high resistance. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Using the schematics as a guide, check the Transmission Control Module (TCM) terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. Check for any Service Bulletins for possible causes that may apply. If no problems are found, replace the TCM per the Service Information. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) .
7. INTERMITTENT WIRING AND CONNECTORS The conditions necessary to set this DTC are not present at this time. Using the schematics as a guide, inspect the wiring and connectors specific to this circuit. Wiggle the wires while checking for shorted and open circuits. Were there any problems found? Yes Repair as necessary. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Test Complete.

1. When Monitored: Ignition on, system voltage between 9.0 and 16.0 volts. Transmission temperature greater than -20° C (-4° F) No active DTCs from the following
2. Primary Oil Pressure Sensor Low
3. Sensor ground

1. Set Condition: When the monitored voltage rises above 4.7 volts for the period of 5 seconds.

Perform CVT PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

Scheme 47

1. CHECK THE PRIMARY PRESSURE SENSOR VOLTAGE With the scan tool, read the Primary Pulley Pressure Sensor voltage. Is the voltage greater than 4.7 volts? Yes Go To 2 . No Go To 6 .
2. CHECK THE (T72) 5 VOLT SUPPLY CIRCUIT Turn the ignition off to the lock position. Disconnect the Transmission Solenoid/Pressure Switch Assembly harness connector. Ignition on, engine not running. Measure the voltage of the (T72) 5 Volt Supply circuit in the Transmission Solenoid/Pressure Switch Assembly harness connector. Is the voltage between 4.5 and 5.5 volts? Yes Go To 3 . No Go To 5 .
3. CHECK THE (T21) PRIMARY PRESSURE SENSOR SIGNAL CIRCUIT Turn the ignition off to the lock position. Disconnect the Transmission Solenoid/Pressure Switch Assembly harness connector. Ignition on, engine not running. With the scan tool, read the Primary Pulley Pressure Sensor voltage. Does the scan tool read any voltage? Yes Go To 4 . No Replace CV Transmission or replace the Primary Pressure Sensor (Valve Body) per the Service Information. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) .
4. CHECK THE (T21) PRIMARY PRESSURE SENSOR SIGNAL CIRCUIT FOR A SHORT TO VOLTAGE Turn the ignition off to the lock position. Disconnect the TCM C2 harness connector. Ignition on, engine not running. Measure the voltage of the (T21) Primary Pressure Sensor Signal circuit. Is there any voltage present? Yes Repair the (T21) Primary Pressure Sensor Signal circuit for a short to voltage. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Using the schematics as a guide, check the Transmission Control Module (TCM) terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. Check for any Service Bulletins for possible causes that may apply. If no problems are found, replace the TCM per the Service Information. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) .
5. CHECK THE (T72) 5 VOLT SUPPLY CIRCUIT FOR A SHORT TO VOLTAGE Turn the ignition off to the lock position. Disconnect the TCM C2 harness connector. Ignition on, engine not running. Measure the voltage of the (T72) 5 Volt Supply circuit in the Transmission Solenoid/Pressure Switch Assembly harness connector. Is there any voltage present? Yes Repair the (T72) 5 Volt Supply circuit for a short to voltage. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Using the schematics as a guide, check the Transmission Control Module (TCM) terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. Check for any Service Bulletins for possible causes that may apply. If no problems are found, replace the TCM per the Service Information. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) .
6. INTERMITTENT WIRING AND CONNECTORS The conditions necessary to set this DTC are not present at this time. Using the schematics as a guide, inspect the wiring and connectors specific to this circuit. Wiggle the wires while checking for shorted and open circuits. Were there any problems found? Yes Repair as necessary. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Test Complete.

1. When Monitored: Ignition on, system voltage between 9.0 and 16.0 volts. Transmission temperature greater than -20° C (-4° F) No active DTCs from the following
2. Primary Oil Pressure Sensor High
3. Sensor ground

1. Set Condition: When the monitored voltage drops below 0.09 volts for the period of 5 seconds.

Perform CVT PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

Scheme 48

Scheme 49

Scheme 50

1. CHECK THE SECONDARY PRESSURE SENSOR VOLTAGE With the scan tool, read the Secondary Pulley Pressure Sensor voltage. Is the voltage below 0.09 volts? Yes Go To 2 . No Go To 7 .
2. CHECK THE (T72) 5 VOLT SUPPLY CIRCUIT Turn the ignition off to the lock position. Disconnect the Transmission Solenoid/Pressure Switch Assembly harness connector. Ignition on, engine not running. Measure the voltage of the (T72) 5 Volt Supply circuit in the Transmission Solenoid/Pressure Switch Assembly harness connector. Is the voltage 5.0 volts (± 0.2 volts)? Yes Go To 3 . No Go To 6 .
3. CHECK THE (T50) SECONDARY PRESSURE SENSOR SIGNAL CIRCUIT Turn the ignition off to the lock position. Disconnect the Transmission Solenoid/Pressure Switch Assembly harness connector. Ignition on, engine not running. Connect a jumper wire between the (T50) Secondary Pressure Sensor Signal circuit and the (T72) 5 Volt Supply circuit in the Transmission Solenoid/Pressure Switch Assembly harness connector. With the scan tool, read the Secondary Pulley Pressure Sensor voltage. Is the voltage 5.0 volts (± 0.2 volts)? Yes Replace CV Transmission or replace the Secondary Pressure Sensor (Valve Body) per the Service Information. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Go To 4 .
4. CHECK THE (T50) SECONDARY PRESSURE SENSOR SIGNAL CIRCUIT FOR AN OPEN Turn the ignition off to the lock position. Disconnect the TCM C2 harness connector. Measure the resistance of the (T50) Secondary Pressure Sensor Signal circuit between the TCM C2 harness connector and the Transmission Solenoid/Pressure Switch Assembly harness connector. Is the resistance above 5.0 ohms? Yes Repair the (T50) Secondary Pressure Sensor Signal circuit for an open or high resistance. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Go To 5 .
5. CHECK THE (T50) SECONDARY PRESSURE SENSOR SIGNAL CIRCUIT FOR A SHORT TO GROUND Measure the resistance between ground and the (T50) Secondary Pressure Sensor Signal circuit. Is the resistance below 5.0 ohms? Yes Repair the (T50) Secondary Pressure Sensor Signal circuit for a short to ground. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Using the schematics as a guide, check the Transmission Control Module (TCM) terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. Check for any Service Bulletins for possible causes that may apply. If no problems are found, replace the TCM per the Service Information. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) .
6. CHECK THE (T72) 5 VOLT SUPPLY CIRCUIT FOR AN OPEN While back probing, measure the voltage of the (T72) 5 Volt Supply circuit in Transmission Solenoid/Pressure Switch Assembly harness connector. Is the voltage 5.0 volts (± 0.2 volts)? Yes Repair the (T72) 5 Volt Supply circuit for an open or high resistance. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Using the schematics as a guide, check the Transmission Control Module (TCM) terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. Check for any Service Bulletins for possible causes that may apply. If no problems are found, replace the TCM per the Service Information. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) .
7. INTERMITTENT WIRING AND CONNECTORS The conditions necessary to set this DTC are not present at this time. Using the schematics as a guide, inspect the wiring and connectors specific to this circuit. Wiggle the wires while checking for shorted and open circuits. Were there any problems found? Yes Repair as necessary. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Test Complete.

1. When Monitored: Ignition on, system voltage between 9.0 and 16.0 volts. Transmission temperature greater than -20° C (-4° F) No active DTCs from the following
2. Secondary Oil Pressure Sensor Low
3. Sensor ground

1. Set Condition: When the monitored voltage rises above 4.7 volts for the period of 5 seconds.

Perform CVT PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

Scheme 51

1. CHECK THE SECONDARY PRESSURE SENSOR VOLTAGE With the scan tool, read the Secondary Pulley Pressure Sensor voltage. Is the voltage greater than 4.7 volts? Yes Go To 2 . No Go To 6 .
2. CHECK THE (T72) 5 VOLT SUPPLY CIRCUIT Turn the ignition off to the lock position. Disconnect the Transmission Solenoid/Pressure Switch Assembly harness connector. Ignition on, engine not running. Measure the voltage of the (T72) 5 Volt Supply circuit in the Transmission Solenoid/Pressure Switch Assembly harness connector. Is the voltage between 4.5 and 5.5 volts? Yes Go To 3 . No Go To 5 .
3. CHECK THE (T50) SECONDARY PRESSURE SENSOR SIGNAL CIRCUIT Turn the ignition off to the lock position. Disconnect the Transmission Solenoid/Pressure Switch Assembly harness connector. Ignition on, engine not running. With the scan tool, read the Secondary Pulley Pressure Sensor voltage. Does the scan tool read any voltage? Yes Go To 4 . No Replace CV Transmission or replace the Secondary Pressure Sensor (Valve Body) per the Service Information. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) .
4. CHECK THE (T50) SECONDARY PRESSURE SENSOR SIGNAL CIRCUIT FOR A SHORT TO VOLTAGE Turn the ignition off to the lock position. Disconnect the TCM C2 harness connector. Ignition on, engine not running. Measure the voltage of the (T50) Secondary Pressure Sensor Signal circuit. Is there any voltage present? Yes Repair the (T50) Primary Pressure Sensor Signal circuit for a short to voltage. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Using the schematics as a guide, check the Transmission Control Module (TCM) terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. Check for any Service Bulletins for possible causes that may apply. If no problems are found, replace the TCM per the Service Information. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) .
5. CHECK THE (T72) 5 VOLT SUPPLY CIRCUIT FOR A SHORT TO VOLTAGE Turn the ignition off to the lock position. Disconnect the TCM C2 harness connector. Ignition on, engine not running. Measure the voltage of the (T72) 5 Volt Supply circuit in the Transmission Solenoid/Pressure Switch Assembly harness connector. Is there any voltage present? Yes Repair the (T72) 5 Volt Supply circuit for a short to voltage. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Using the schematics as a guide, check the Transmission Control Module (TCM) terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. Check for any Service Bulletins for possible causes that may apply. If no problems are found, replace the TCM per the Service Information. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) .
6. INTERMITTENT WIRING AND CONNECTORS The conditions necessary to set this DTC are not present at this time. Using the schematics as a guide, inspect the wiring and connectors specific to this circuit. Wiggle the wires while checking for shorted and open circuits. Were there any problems found? Yes Repair as necessary. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Test Complete.

1. When Monitored: Ignition on with a system voltage between 9.0 and 16.0 volts.

1. Set Condition: If the monitored line pressure solenoid voltage is less than 70% of the target line pressure solenoid voltage for the period of 1.0 second.

Perform CVT PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

Scheme 52

Scheme 53

1. CHECK TO SEE IF THE DTC IS ACTIVE With the scan tool, read Transmission DTCs. Is the status Active for this DTC or is the STARTS SINCE SET counter 2 or less? Yes Go To 2 . No Go To 4 .
2. CHECK THE (T20) LINE PRESSURE SOLENOID CONTROL CIRCUIT FOR A SHORT TO GROUND Turn the ignition off to the lock position. Disconnect the TCM C1 harness connector. Disconnect the Transmission Solenoid/Pressure Switch Assembly harness connector. Measure the resistance between ground and the (T20) Line Pressure Solenoid Control circuit. Is the resistance below 5.0 ohms? Yes Repair the (T20) Line Pressure Solenoid Control circuit for a short to ground. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Go To 3 .
3. CHECK THE (T20) LINE PRESSURE SOLENOID CONTROL CIRCUIT Turn the ignition off to the lock position. Reconnect the TCM C1 harness connector. Ignition on, engine not running. With the scan tool actuate the Line Pressure Solenoid. Using a test light connected to ground, check the (T20) Line Pressure Solenoid Control circuit in the Transmission Solenoid/Pressure Switch Assembly harness connector. NOTE: The test light must illuminate brightly. Compare the brightness to that of a direct connection to the battery. Does the test light illuminate brightly? Yes Replace the Line Pressure Solenoid (Valve Body) or the CVT per the Service Information. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Using the schematics as a guide, check the Transmission Control Module (TCM) terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. Check for any Service Bulletins for possible causes that may apply. If no problems are found, replace the TCM per the Service Information. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) .
4. INTERMITTENT WIRING AND CONNECTORS The conditions necessary to set this DTC are not present at this time. Using the schematics as a guide, inspect the wiring and connectors specific to this circuit. Wiggle the wires while checking for shorted and open circuits. Were there any problems found? Yes Repair as necessary. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Test Complete.

1. When Monitored: Ignition on with a system voltage between 9.0 and 16.0 volts. No Line Pressure Solenoid Circuit Low DTC present.

1. Set Condition: When the target line pressure solenoid current is greater than 0.75 amps while the monitored line pressure solenoid current is less than 0.4 amps for the period of 5.0 seconds.

Perform CVT PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

Scheme 54

Scheme 55

Scheme 56

1. CHECK TO SEE IF THE DTC IS ACTIVE With the scan tool, read Transmission DTCs. Is the status Active for this DTC or is the STARTS SINCE SET counter 2 or less? Yes Go To 2 . No Go To 6 .
2. CHECK THE (T20) LINE PRESSURE SOLENOID CONTROL CIRCUIT Turn the ignition off to the lock position. Disconnect the Transmission Solenoid/Pressure Switch Assembly harness connector. Ignition on, engine not running. With the scan tool, actuate the Line Pressure Solenoid. Using a test light connected to ground, check the (T20) Line Pressure Solenoid Control circuit in the Transmission Solenoid/Pressure Switch Assembly harness connector. NOTE: The test light must illuminate brightly. Compare the brightness to that of a direct connection to the battery. Does the test light illuminate brightly? Yes Go To 3 . No Go To 5 .
3. CHECK THE (T20) LINE PRESSURE SOLENOID CONTROL CIRCUIT FOR A SHORT TO VOLTAGE With the scan tool, stop the actuation of the Line Pressure Solenoid. Turn the ignition off to the lock position. Disconnect the TCM C1 harness connector. Ignition on, engine not running. Measure the voltage of the (T20) Line Pressure Solenoid Control circuit. Is the voltage above.05 volts? Yes Repair the (T20) Line Pressure Solenoid Control circuit for a short to voltage. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Go To 4 .
4. CHECK THE LINE PRESSURE SOLENOID Turn the ignition off to the lock position. Reconnect the Transmission Solenoid/Pressure Switch Assembly harness connector. Measure the resistance between ground and the (T20) Line Pressure Solenoid Control circuit in the TCM C1 harness connector. Is the resistance between 3.0 and 9.0 ohms? Yes Using the schematics as a guide, check the Transmission Control Module (TCM) terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. Check for any Service Bulletins for possible causes that may apply. If no problems are found, replace the TCM per the Service Information. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Replace the CV Transmission or replace the Line Pressure Solenoid (Valve Body) per the Service Information. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) .
5. CHECK THE (T20) LINE PRESSURE SOLENOID CONTROL CIRCUIT FOR AN OPEN Turn the ignition off to the lock position. Measure the resistance of the (T20) Line Pressure Solenoid Control circuit between the TCM C1 harness connector and the Transmission Solenoid/Pressure Switch Assembly harness connector. Is the resistance above 5.0 ohms? Yes Repair the (T20) Line Pressure Solenoid Control circuit for an open. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Using the schematics as a guide, check the Transmission Control Module (TCM) terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. Check for any Service Bulletins for possible causes that may apply. If no problems are found, replace the TCM per the Service Information. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) .
6. INTERMITTENT WIRING AND CONNECTORS The conditions necessary to set this DTC are not present at this time. Using the schematics as a guide, inspect the wiring and connectors specific to this circuit. Wiggle the wires while checking for shorted and open circuits. Were there any problems found? Yes Repair as necessary. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Test Complete.

1. When Monitored: Ignition on with a system voltage between 9.0 and 16.0 volts.

1. Set Condition: If the monitored secondary pressure solenoid voltage is less than 70% of the target secondary pressure solenoid voltage for the period of 1.0 second.

Perform CVT PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

Scheme 57

Scheme 58

1. CHECK TO SEE IF THE DTC IS ACTIVE With the scan tool, read Transmission DTCs. Is the status Active for this DTC or is the STARTS SINCE SET counter 2 or less? Yes Go To 2 . No Go To 4 .
2. CHECK THE (T19) SECONDARY PRESSURE SOLENOID CONTROL CIRCUIT FOR A SHORT TO GROUND Turn the ignition off to the lock position. Disconnect the TCM C1 harness connector. Disconnect the Transmission Solenoid/Pressure Switch Assembly harness connector. Measure the resistance between ground and the (T19) Secondary Pressure Solenoid Control circuit. Is the resistance below 5.0 ohms? Yes Repair the (T19) Secondary Pressure Solenoid Control circuit for a short to ground. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Go To 3 .
3. CHECK THE (T19) SECONDARY PRESSURE SOLENOID CONTROL CIRCUIT Turn the ignition off to the lock position. Reconnect the TCM C1 harness connector. Ignition on, engine not running. With the scan tool actuate the Secondary Pressure Solenoid. Using a test light connected to ground, check the (T19) Secondary Pressure Solenoid Control circuit in the Transmission Solenoid/Pressure Switch Assembly harness connector. NOTE: The test light must illuminate brightly. Compare the brightness to that of a direct connection to the battery. Does the test light illuminate brightly? Yes Replace the CV Transmission or repair or replace the Secondary Pressure Solenoid (Valve Body) per the Service Information. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Using the schematics as a guide, check the Transmission Control Module (TCM) terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. Check for any Service Bulletins for possible causes that may apply. If no problems are found, replace the TCM per the Service Information. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) .
4. INTERMITTENT WIRING AND CONNECTORS The conditions necessary to set this DTC are not present at this time. Using the schematics as a guide, inspect the wiring and connectors specific to this circuit. Wiggle the wires while checking for shorted and open circuits. Were there any problems found? Yes Repair as necessary. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Test Complete.

1. When Monitored: Ignition on with a system voltage between 9.0 and 16.0 volts. No Secondary Pressure Solenoid Low DTC present.

1. Set Condition: When the target secondary pressure solenoid current is greater than 0.75 amps while the monitored secondary pressure solenoid current is less than 0.4 amps for the period of 5 seconds.

Perform CVT PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

Scheme 59

Scheme 60

Scheme 61

1. CHECK TO SEE IF THE DTC IS ACTIVE With the scan tool, read Transmission DTCs. Is the status Active for this DTC or is the STARTS SINCE SET counter 2 or less? Yes Go To 2 . No Go To 6 .
2. CHECK THE (T19) SECONDARY PRESSURE SOLENOID CONTROL CIRCUIT Turn the ignition off to the lock position. Disconnect the Transmission Solenoid/Pressure Switch Assembly harness connector. Ignition on, engine not running. With the scan tool, actuate the Secondary Pressure Solenoid. Using a test light connected to ground, check the (T19) Secondary Pressure Solenoid Control circuit in the Transmission Solenoid/Pressure Switch Assembly harness connector. NOTE: The test light must illuminate brightly. Compare the brightness to that of a direct connection to the battery. Does the test light illuminate brightly? Yes Go To 3 . No Go To 5 .
3. CHECK THE (T19) SECONDARY PRESSURE SOLENOID CONTROL CIRCUIT FOR A SHORT TO VOLTAGE With the scan tool, stop the actuation of the Secondary Pressure Solenoid. Turn the ignition off to the lock position. Disconnect the TCM C1 harness connector. Ignition on, engine not running. Measure the voltage of the (T19) Secondary Pressure Solenoid Control circuit. Is the voltage above.05 volts? Yes Repair the (T19) Secondary Pressure Solenoid Control circuit for a short to voltage. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Go To 4 .
4. CHECK THE SECONDARY PRESSURE SOLENOID Turn the ignition off to the lock position. Reconnect the Transmission Solenoid/Pressure Switch Assembly harness connector. Measure the resistance between ground and the (T19) Secondary Pressure Solenoid Control circuit in the TCM C1 harness connector. Is the resistance between 3.0 and 9.0 ohms? Yes Using the schematics as a guide, check the Transmission Control Module (TCM) terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. Check for any Service Bulletins for possible causes that may apply. If no problems are found, replace the TCM per the Service Information. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Replace the CV Transmission or replace the Secondary Pressure Solenoid (Valve Body) per the Service Information. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) .
5. CHECK THE (T19) SECONDARY PRESSURE SOLENOID CONTROL CIRCUIT FOR AN OPEN Turn the ignition off to the lock position. Measure the resistance of the (T19) Secondary Pressure Solenoid Control circuit between the TCM C1 harness connector and the Transmission Solenoid/Pressure Switch Assembly harness connector. Is the resistance above 5.0 ohms? Yes Repair the (T19) Secondary Pressure Solenoid Control circuit for an open. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Using the schematics as a guide, check the Transmission Control Module (TCM) terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. Check for any Service Bulletins for possible causes that may apply. If no problems are found, replace the TCM per the Service Information. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) .
6. INTERMITTENT WIRING AND CONNECTORS The conditions necessary to set this DTC are not present at this time. Using the schematics as a guide, inspect the wiring and connectors specific to this circuit. Wiggle the wires while checking for shorted and open circuits. Were there any problems found? Yes Repair as necessary. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Test Complete.

Scheme 62

1. When Monitored: With the ignition on. Battery voltage greater than 10.0 volts.

1. Set Condition: A shorted condition is detected in the Transmission Control Output circuit.

Perform CVT PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

1. When Monitored: With the ignition on. Battery voltage greater than 10 volts.

1. Set Condition: A shorted condition is detected in the TIPM Transmission Control Output circuit.

Perform CVT PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

1. When Monitored: With the ignition on. Battery voltage greater than 10 volts.

1. Set Condition: An open condition of the Transmission Control Output circuit is detected by the Totally Integrated Power Module (TIPM).

Perform CVT PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

1. When Monitored: With the ignition on. Battery voltage greater than 10 volts.

1. Set Condition: An overcurrent condition is detected in the TCM Power Control circuit. One Trip Fault. Three good trips to turn off the MIL.

Perform CVT PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

1. When Monitored: One time at every ignition on cycle.

1. Set Condition: When the calculated checksum does not equal the stored checksum configuration or loss of power to the controller. It takes one trip of problem identification to set the MIL.

Perform CVT PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

1. When Monitored: With the ignition on and a system voltage between 9.0 and 16.0 volts.

1. Set Condition: When all are present for the period of 200 msec

1. Transmission Fluid Temperature Sensor voltage is greater than 2.5 volts.
2. Primary Pressure Sensor voltage greater than 5.0 volts.
3. Secondary Pressure Sensor voltage is greater than 5.0 volts

Perform CVT PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

Scheme 63

1. CHECK TO SEE IF THE DTC IS ACTIVE With the scan tool, read Transmission DTCs. Is the status Active for this DTC or is the STARTS SINCE SET counter 2 or less? Yes Go To 2 . No Go To 4 .
2. CHECK THE (T13) SENSOR GROUND CIRCUIT FOR AN OPEN Turn the ignition off to the lock position. Disconnect the TCM C2 harness connector. Disconnect the Transmission Solenoid/Pressure Switch Assembly harness connector. Measure the resistance of the (T13) Sensor Ground circuit between the TCM C2 harness connector and the Transmission Solenoid/Pressure Switch Assembly harness connector. Is the resistance above 5.0 ohms? Yes Repair the (T13) Sensor Ground circuit for an open. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Go To 3 .
3. CHECK THE (T13) SENSOR GROUND CIRCUIT FOR AN OPEN INTERNALLY Using the schematics as a guide, check the Transmission Control Module (TCM) terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. Check for any Service Bulletins for possible causes that may apply. If no problems are found, replace and program the TCM per the Service Information. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . Does the DTC reset during the Verification procedure? Yes Replace the CV Transmission or repair the valve body (internal wiring) per the Service Information. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Test Complete.
4. INTERMITTENT WIRING AND CONNECTORS The conditions necessary to set this DTC are not present at this time. Using the schematics as a guide, inspect the wiring and connectors specific to this circuit. Wiggle the wires while checking for shorted and open circuits. Were there any problems found? Yes Repair as necessary. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Test Complete.

1. When Monitored: Ignition on with a system voltage between 9.0 and 16.0 volts.

1. Set Condition: The TCM is unable to read the hydraulic calibration data stored in the TCM EEPROM for the period of 5.0 seconds.

Perform CVT PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

1. When Monitored: One time at initial ignition on with a system voltage between 9.0 and 16.0 volts.

1. Set Condition: If the TCM stored calibration does not match the EEPROM assembly in the transmission. This DTC requires only one problem identification to set the MIL.

Perform CVT PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

1. When Monitored: Ignition on, system voltage between 9.0 and 16.0 volts. Engine running with the transmission in Drive. Vehicle speed greater than 10.0 Km/h (6.0 mph). Accelerator Pedal Position (APP) greater than 12.5%. Engine rpm greater than 450 rpm. No active DTCs from the following
2. Primary or Secondary Pressure Sensor
3. Transmission Temperature Sensor
4. TCC Lock Up Solenoid
5. Step Motor
6. Input or Output Speed Sensor
7. Transmission Range Sensor (TRS)
8. Line Pressure Solenoid
9. Secondary Pressure Solenoid

1. Set Condition: Condition one: Reported primary pressure is less than the lower limit of the primary pressure correlated with the reported secondary pressure for more than 5.0 seconds. Condition two: Reported primary pressure is greater than the upper limit of the primary pressure correlated with the reported secondary pressure for more than 5.0 seconds.

Perform CVT PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

1. When Monitored: Ignition on with a system voltage between 9.0 and 16.0 volts.

1. Set Condition: If the TCC ON/OFF Solenoid status does not match the TCM requested ON/OFF status for the period of 200 msec the DTC will set. It takes two consecutive problem identification trips to illuminate the MIL.

Perform CVT PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

Scheme 64

Scheme 65

Scheme 66

Scheme 67

1. CHECK IF THE DTC IS ACTIVE With the scan tool, read Transmission DTCs. Is the status Active for this DTC or is the STARTS SINCE SET counter 2 or less? Yes Go To 2 . No Go To 6 .
2. CHECK TO SEE IF THE DTC IS ACTIVE Turn the ignition off to the lock position. Disconnect the Transmission Solenoid/Pressure Switch Assembly harness connector. Ignition on, engine not running. With the scan tool actuate the TCC ON/OFF Solenoid. Using a 12-volt test light connected to ground, check the (T60) TCC ON/OFF Solenoid Control circuit. NOTE: The test light must illuminate brightly. Compare the brightness to that of a direct connection to the battery. Does the test light illuminate brightly? Yes Go To 3 . No Go To 4 .
3. CHECK THE (T60) TCC ON/OFF SOLENOID CONTROL CIRCUIT FOR A SHORT TO VOLTAGE Turn the ignition off to the lock position. Disconnect the TCM C1 harness connector. Ignition on, engine not running. Measure the voltage of the (T60) TCC ON/OFF Solenoid Control circuit. Is the voltage above.05 volts? Yes Repair the (T60) TCC ON/OFF Solenoid Control circuit for a short to voltage. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Replace or repair (valve body) the CV Transmission per the Service Information. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) .
4. CHECK THE (T60) TCC ON/OFF SOLENOID CONTROL CIRCUIT FOR AN OPEN Turn the ignition off to the lock position. Measure the resistance of the (T60) TCC ON/OFF Solenoid Control circuit between the TCM C1 harness connector and the Transmission Solenoid/Pressure Switch Assembly harness connector. Is the resistance above 5.0 ohms? Yes Repair the (T60) TCC ON/OFF Solenoid Control circuit for an open. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Go To 5 .
5. CHECK THE (T60) TCC ON/OFF SOLENOID CONTROL CIRCUIT FOR A SHORT TO GROUND Measure the resistance between ground and the (T60) TCC ON/OFF Solenoid Control circuit. Is the resistance below 5.0 ohms? Yes Repair the (T60) TCC ON/OFF Solenoid Control circuit for a short to ground. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Using the schematics as a guide, check the Transmission Control Module (TCM) terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. Check for any Service Bulletins for possible causes that may apply. If no problems are found, replace the TCM per the Service Information. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) .
6. INTERMITTENT WIRING AND CONNECTORS The conditions necessary to set this DTC are not present at this time. Using the schematics as a guide, inspect the wiring and connectors specific to this circuit. Wiggle the wires while checking for shorted and open circuits. Were there any problems found? Yes Repair as necessary. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Test Complete.

1. When Monitored

Ignition on with a system voltage between 9.0 and 16.0 volts.

1. Set Condition: If the Step motor ON/OFF status does not match the TCM requested ON/OFF status for the period of 200 msec the DTC will set. It takes two consecutive problem identification trips to illuminate the MIL.

Perform CVT PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

Scheme 68

Scheme 69

Scheme 70

1. CHECK TO SEE IF THE DTC IS ACTIVE With the scan tool, read Transmission DTCs. Is the status Active for this DTC or is the STARTS SINCE SET counter 2 or less? Yes Go To 2 . No Go To 6 .
2. CHECK THE (T314) A, (T315) B, (T316) C, AND (T317) D STEP MOTOR CONTROL CIRCUIT(S) FOR A SHORT TO VOLTAGE Turn the ignition off to the lock position. Disconnect the TCM C1 and C2 harness connectors. Disconnect the Transmission Solenoid/Pressure Switch Assembly harness connector. Ignition on, engine not running. Measure separately the voltage of the (T314) A, (T315) B, (T316) C, and (T317) D Step Motor Control circuits. Is the voltage above.05 volts for any of the Step Motor Control circuits? Yes Repair the (T314) A, (T315) B, (T316) C, and/or (T317) D Step Motor Control circuit(s) for a short to voltage. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Go To 3 .
3. CHECK THE (T314) A, (T315) B, (T316) C, AND (T317) D STEP MOTOR CONTROL CIRCUIT(S) FOR AN OPEN Turn the ignition off to the lock position. Measure separately the resistance of the (T314) A, (T315) B, (T316) C, and (T317) D Step Motor Control circuits between the TCM C1 harness connector and the Transmission Solenoid/Pressure Switch harness connector. Is the resistance above 5.0 ohms for any of the Step Motor Control circuits? Yes Repair the (T314) A, (T315) B, (T316) C, and/or (T317) D Step Motor Control circuit(s) for an open. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Go To 4 .
4. CHECK THE (T314) A, (T315) B, (T316) C, AND (T317) D STEP MOTOR CONTROL CIRCUIT(S) FOR A SHORT TO GROUND Measure separately the resistance between ground and the (T314) A, (T315) B, (T316) C, and (T317) D Step Motor Control circuits. Is the resistance below 5.0 ohms for any of the Step Motor Control circuits? Yes Repair the (T314) A, (T315) B, (T316) C, and/or (T317) D Step Motor Control circuit(s) for a short to ground. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Go To 5 .
5. TRANSMISSION CONTROL MODULE Replace the Transmission Control Module per the Service Information. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . See «STANDARD PROCEDURE»(ref-304346-S39721490712008110700000) . During the verification test did the DTC reset? Yes Replace or repair the CV Transmission (Step Motor) per the Service Information. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Test Complete.
6. INTERMITTENT WIRING AND CONNECTORS The conditions necessary to set this DTC are not present at this time. Using the schematics as a guide, inspect the wiring and connectors specific to this circuit. Wiggle the wires while checking for shorted and open circuits. Were there any problems found? Yes Repair as necessary. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Test Complete.

1. When Monitored: Ignition on, engine running with the transmission in a valid forward or reverse gear. No inhibitor switch, secondary speed sensor, or engine speed DTCs present.

1. Set Condition: The DTC will set if an Engine stall speed condition is detected for the period of 18 seconds.

Perform CVT PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

1. When Monitored: Ignition on, no CAN DTCs from either the AWD control module or the TIPM.

1. Set Condition: Condition One: Received On/Off-road signal pattern but not an existing pattern for the period of 20 seconds. Condition Two: Received On/Off-road signal pattern but not a proper pattern for the period of 60 seconds.

Perform CVT PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

1. When Monitored: Ignition on, engine running with the transmission in a valid forward gear. Vehicle speed greater than 10 Km/h (6 mph). Accelerator Pedal Position (APP) greater than 12.5%. Engine rpm greater than 450 rpm with TCC lock-up enabled. TCC Lock up command is ON (True). No DTCs active from the following
2. Step motor
3. Line Pressure Solenoid
4. Secondary Solenoid
5. Input and Output Speed Sensor
6. Primary or Secondary Pressure Sensor
7. CAN Bus

1. Set Condition: If the actual voltage is 70% of the target voltage for the period of 1.0 second. It takes two consecutive problem identification trips for the DTC to mature and illuminate the MIL.

Perform CVT PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

Scheme 71

Scheme 72

Scheme 73

1. CHECK TO SEE IF THE DTC IS ACTIVE With the scan tool, read Transmission DTCs. Is the status Active for this DTC or is the STARTS SINCE SET counter 2 or less? Yes Go To 2 . No Go To 5 .
2. CHECK THE (T59) TCC SOLENOID CONTROL CIRCUIT Turn the ignition off to the lock position. Disconnect the Transmission Solenoid/Pressure Switch Assembly harness connector. Ignition on, engine not running. With the scan tool, actuate the TCC Solenoid. Using a 12-volt test light connected to ground, check the (T59) TCC Solenoid Control circuit. NOTE: The test light must illuminate brightly. Compare the brightness to that of a direct connection to the battery. Does the test light illuminate brightly? Yes Go To 3 . No Go To 4 .
3. CHECK THE TCC SOLENOID Turn the ignition off to the lock position. Reconnect the Transmission Solenoid/Pressure Switch Assembly harness connector. Disconnect the TCM C1 harness connector. Measure the resistance between ground and the (T59) TCC Solenoid Control circuit in the TCM C1 harness connector. Is the resistance between 3.0 and 9.0 ohms? Yes Using the schematics as a guide, check the Transmission Control Module (TCM) terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. Check for any Service Bulletins for possible causes that may apply. If no problems are found, replace the TCM per the Service Information. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Replace the CV Transmission or the TCC Solenoid (Valve Body) per the Service Information. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) .
4. CHECK THE (T59) TCC SOLENOID CONTROL CIRCUIT FOR A SHORT TO GROUND Turn the ignition off to the lock position. Disconnect the TCM C1 harness connector. Measure the resistance between ground and the (T59) TCC Solenoid Control circuit. Is the resistance below 5.0 ohms? Yes Repair the (T59) TCC Solenoid Control circuit for a short to ground. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Using the schematics as a guide, check the Transmission Control Module (TCM) terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. Check for any Service Bulletins for possible causes that may apply. If no problems are found, replace the TCM per the Service Information. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) .
5. INTERMITTENT WIRING AND CONNECTORS The conditions necessary to set this DTC are not present at this time. Using the schematics as a guide, inspect the wiring and connectors specific to this circuit. Wiggle the wires while checking for shorted and open circuits. Were there any problems found? Yes Repair as necessary. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Test Complete.

1. When Monitored: Ignition on, engine running with the transmission in a valid forward gear. Vehicle speed greater than 10 Km/h (6 mph). Accelerator Pedal Position (APP) greater than 12.5%. Engine rpm greater than 450 rpm with TCC lock-up enabled. TCC Lock up command is ON (True). No active DTCs from the following: Torque Convertor Clutch Circuit Low, Step motor, Line Pressure Solenoid, Secondary Solenoid, Input and Output Speed Sensor, Primary or Secondary Pressure Sensor, or CAN BUS.

1. Set Condition: If the target current is greater than 0.75 amps and the monitored current is less than 0.4 amps for the period of 5 seconds. It takes two consecutive problem identification trips for the DTC to mature and illuminate the MIL.

Perform CVT PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

Scheme 74

Scheme 75

1. CHECK TO SEE IF THE DTC IS ACTIVE With the scan tool, read Transmission DTCs. Is the status Active for this DTC or is the STARTS SINCE SET counter 2 or less? Yes Go to 2 . No Go to 6 .
2. CHECK THE (T59) TCC SOLENOID CONTROL CIRCUIT Turn the ignition off to the lock position. Disconnect the Transmission Solenoid/Pressure Switch Assembly harness connector. Ignition on, engine not running. With the scan tool, actuate the (L/U) TCC Solenoid. Using a 12-volt test light connected to ground, check the (T59) TCC Solenoid Control circuit. NOTE: The test light must illuminate brightly. Compare the brightness to that of a direct connection to the battery. Does the test light illuminate brightly? Yes Go to 3 . No Go to 5 .
3. CHECK THE (T59) TCC SOLENOID CONTROL CIRCUIT FOR A SHORT TO VOLTAGE With the scan tool, stop the TCC Solenoid actuator. Turn the ignition off to the lock position. Disconnect the TCM C1 harness connector. Ignition on, engine not running. Measure the voltage of the (T59) TCC Solenoid Control circuit. Is the voltage above 0.5 volts? Yes Repair the (T59) TCC Solenoid Control circuit for a short to voltage. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Go to 4 .
4. CHECK THE TCC SOLENOID Turn the ignition off to the lock position. Reconnect the Transmission Solenoid/Pressure Switch Assembly harness connector. Measure the resistance between ground and the (T59) TCC Solenoid Control circuit in the TCM C1 harness connector. Is the resistance between 3.0 and 9.0 ohms? Yes Using the schematics as a guide, check the Transmission Control Module (TCM) terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. Check for any Service Bulletins for possible causes that may apply. If no problems are found, replace the TCM per the Service Information. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Replace the TCC Solenoid (Valve Body) per the Service Information. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) .
5. CHECK THE (T59) TCC SOLENOID CONTROL CIRCUIT FOR AN OPEN With the scan tool, stop the TCC Solenoid actuator. Turn the ignition off to the lock position. Disconnect the TCM C1 harness connector. Ignition on, engine not running. Measure the resistance of the (T59) TCC Solenoid Control circuit between the TCM C1 harness connector and the Transmission Solenoid/Pressure Switch harness connector. Is the resistance above 5.0 ohms? Yes Repair the (T59) TCC Solenoid Control circuit for an open. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Using the schematics as a guide, check the Transmission Control Module (TCM) terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. Check for any Service Bulletins for possible causes that may apply. If no problems are found, replace the TCM per the Service Information. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) .
6. INTERMITTENT WIRING AND CONNECTORS The conditions necessary to set this DTC are not present at this time. Using the schematics as a guide, inspect the wiring and connectors specific to this circuit. Wiggle the wires while checking for shorted and open circuits. Were there any problems found? Yes Repair as necessary. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Test Complete.

1. When Monitored: Ignition on in the run position with a system voltage between 9.0 and 16.0 volts.

1. Set Condition: If the Transmit or receive error counter is equal to or greater than 256.

For CAN Bus diagnostic procedures Refer to DIAGNOSIS AND TESTING .

1. When Monitored: Ignition on in the run position with a system voltage between 9.0 and 16.0 volts. IOD fuse is installed or vehicle odometer is over 80 kilometers (50 miles). No CAN C Bus DTCs present.

1. Set Condition: A loss of CAN Bus communication between the TCM and ECM/PCM for the period of 2.0 seconds.

For CAN Bus diagnostic procedures Refer to DIAGNOSIS AND TESTING .

1. When Monitored: Ignition on in the run position with a system voltage between 9.0 and 16.0 volts. IOD fuse is installed or vehicle odometer is over 80 kilometers (50 miles). No CAN C Bus DTCs present.

1. Set Condition: A loss of CAN Bus communication between the Transmission Control Module (TCM) and Final Drive Control Module/All Wheel Drive (FDCM/AWD) for the period of 2.0 seconds.

For CAN Bus diagnostic procedures Refer to DIAGNOSIS AND TESTING .

1. When Monitored: Ignition on in the run position with a system voltage between 9.0 and 16.0 volts. IOD fuse is installed or vehicle odometer is over 80 kilometers (50 miles). No CAN C BUS DTCs present.

1. Set Condition: A loss of CAN Bus communication between the TCM and ABS for the period of 2.0 seconds.

For CAN Bus diagnostic procedures Refer to DIAGNOSIS AND TESTING .

1. When Monitored: Ignition on in the run position with a system voltage between 9.0 and 16.0 volts. IOD fuse is installed or vehicle odometer is over 80 kilometers (50 miles). No CAN C Bus DTCs present.

1. Set Condition: A loss of CAN Bus communication between the TCM and FCM/TIPM for the period of 2.0 seconds.

For CAN Bus diagnostic procedures Refer to DIAGNOSIS AND TESTING .

1. When Monitored: Ignition on in the run position with a system voltage between 9.0 and 16.0 volts. Shift lever in Park or Reverse position.

1. Set Condition: Communication between the TCM and the EEPROM in the transmission is not active for the period of 5 seconds.

Perform CVT PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

Scheme 76

Scheme 77

Scheme 78

Scheme 79

Scheme 80

Scheme 81

Scheme 82

Scheme 83

Scheme 84

1. CHECK IF THE DTC IS ACTIVE With the scan tool, read Transmission DTCs. Is the status Active for this DTC? Yes Go To 2 . No Go To 12 .
2. CHECK THE (T327) DATA IN/OUT SELECT CIRCUIT FOR A SHORT TO VOLTAGE Turn the ignition off to the lock position. Disconnect the TCM C1 harness connector. Disconnect the Transmission Solenoid/Pressure Switch Assembly harness connector. Ignition on, engine not running. Measure the voltage of the (T327) Data IN/OUT Select circuit. Is the voltage above.02 volts? Yes Repair the (T327) Data IN/OUT Select circuit for a short to voltage. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Go To 3 .
3. CHECK THE (T313) CHIP SELECT CIRCUIT FOR A SHORT TO VOLTAGE Measure the voltage of the (T313) Chip Select circuit. Is the voltage above 0.1 volts? Yes Repair the (T313) Chip Select circuit for a short to voltage. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Go To 4 .
4. CHECK THE (T302) CLOCK SELECT CIRCUIT FOR A SHORT TO VOLTAGE Measure the voltage of the (T302) Clock Select circuit. Is the voltage above 0.2 volts? Yes Repair the (T302) Clock Select circuit for a short to voltage. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Go To 5 .
5. CHECK THE (T327) DATA IN/OUT SELECT CIRCUIT FOR AN OPEN Turn the ignition off to the lock position. Measure the resistance of the (T327) Data In/OutSelect circuit between the TCM C1 harness connector and the Transmission Solenoid/Pressure Switch Assembly harness connector. Is the resistance above 5.0 ohms? Yes Repair the (T327) Data IN/OUT Select circuit for an open. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Go To 6 .
6. CHECK THE (T313) CHIP SELECT CIRCUIT FOR AN OPEN Measure the resistance of the (T313) Chip Select circuit between the TCM C1 harness connector and the Transmission Solenoid/Pressure Switch Assembly harness connector. Is the resistance above 5.0 ohms? Yes Repair the (T313) Chip Select circuit for an open. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Go To 7 .
7. CHECK THE (T302) CLOCK SELECT CIRCUIT FOR AN OPEN Measure the resistance of the (T302) Clock Select circuit between the TCM C1 harness connector and the Transmission Solenoid/Pressure Switch Assembly harness connector. Is the resistance above 5.0 ohms? Yes Repair the (T302) Clock Select circuit for an open. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Go To 8 .
8. CHECK THE (T327) DATA IN/OUT SELECT CIRCUIT FOR A SHORT TO GROUND Measure the resistance between ground and the (T327) Data IN/OUT Select circuit. Is the resistance below 5.0 ohms? Yes Repair the (T327) Data IN/OUT Select circuit for a short to ground. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Go To 9 .
9. CHECK THE (T313) CHIP SELECT CIRCUIT FOR A SHORT TO GROUND Measure the resistance between ground and the (T313) Chip Select circuit. Is the resistance below 5.0 ohms? Yes Repair the (T313) Chip Select circuit for a short to ground. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Go To 10 .
10. CHECK THE (T302) CLOCK SELECT CIRCUIT FOR A SHORT TO GROUND Measure the resistance between ground and the (T302) Clock Select circuit. Is the resistance below 5.0 ohms? Yes Repair the (T302) Clock Select circuit for a short to ground. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Go To 11 .
11. CHECK THE TCM Replace or repair the CV Transmission (valve body) per the Service Information. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . Did the DTC reset during the verification test? Yes Using the schematics as a guide, check the Transmission Control Module (TCM) terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. Check for any Service Bulletins for possible causes that may apply. If no problems are found, replace the TCM per the Service Information. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Test Complete.
12. INTERMITTENT WIRING AND CONNECTORS The conditions necessary to set this DTC are not present at this time. Using the schematics as a guide, inspect the wiring and connectors specific to this circuit. Wiggle the wires while checking for shorted and open circuits. Were there any problems found? Yes Repair as necessary. Perform «CVT VERIFICATION TEST»(ref-304346-S20667500612008110700000) . No Test Complete.

1. When Monitored: Ignition on with no Lost Communication with ECM/PCM DTCs present.

1. Set Condition: When the throttle pedal position toggle signal pattern is out of range from a predefined signal pattern for the period of 1 second.

Perform CVT PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

1. When Monitored: Ignition on with a system voltage between 9.0 and 16.0 volts. Time since last TRS change greater than 2.0 seconds. Condition one: TCC ON/OFF in the ON position. No Active DTCs from the following
2. Lost Communication with ECM/PCM
3. Step Motor
4. TCC ON/OFF Solenoid
5. Input or Output Speed Sensor Condition two: No Active DTCs from the following
6. Lost Communication with ECM/PCM
7. Step Motor

1. Condition one: All the below conditions must be present for the period of 5 seconds for the DTC to set
2. Engine speed minus Input speed is greater than 1000 rpm for the period of 5 seconds.
3. Engine speed minus Secondary speed estimated ratio is greater than 1000 rpm for the period of 5 seconds.
4. Secondary speed multiplied by the estimated ratio minus the primary speed is less than 1000 rpm. Condition two

1. Engine speed is less than 450 rpm and the Input speed is greater than or equal to 1000 rpm for the period of 20 msec.

Perform CVT PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

1. When Monitored: Ignition on with a system voltage between 9.0 and 16.0 volts with no CAN DTCs detected.

1. Set Condition: When the TCM receives an implausible engine torque request from the PCM over the CAN Bus.

Perform CVT PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

1. When Monitored: Ignition on, engine running with a system voltage between 9.0 and 16.0 volts. ECM/PCM variant data received more than twice in a row over the CAN Bus.

1. Set Condition: ECM/PCM has wrong variant data installed. ECM/PCM sending wrong or improper CAN message for more than 5.0 seconds.

Perform CVT PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

1. When Monitored: Ignition on with system voltage between 9.0 and 16.0 volts. FCM/TIPM variant data received more than twice in a row over the CAN Bus.

1. Set Condition: One or more FCM/TIPM variant data received over the CAN Bus is not in a valid range for the period of 5.0 seconds.

Perform CVT PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

1. When Monitored: Ignition on with system voltage between 9.0 and 16.0 volts. No lost communication faults detected.

1. Set Condition: An implausible vehicle speed signal sent from the ABS module for the period of 5.0 seconds.

Perform CVT PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

1. When Monitored: Ignition on with system voltage between 9.0 and 16 volts. No PCM/ECM CAN Bus DTCs present.

1. Set Condition: When the TCM receives an implausible engine torque signal from the PCM over the CAN Bus for a period of 1.0 second.

Perform CVT PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

1. When Monitored: Ignition on with system voltage between 9.0 and 16.0 volts. No PCM/ECM CAN Bus DTCs present.

1. Set Condition: When the TCM receives an implausible throttle pedal position over the CAN Bus from the PCM/ECM.

Perform CVT PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

1. When Monitored: Ignition on with no PCM/ECM CAN Bus DTCs present.

1. Set Condition: When the TCM receives an implausible Torque Converter Clutch slip request (EMCC) from the PCM/ECM.

Perform CVT PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

1. When Monitored: Ignition on with no CAN DTCs detected.

1. Set Condition: When the TCM receives an engine torque request from the PCM over the CAN Bus that does not change for the period of 1.0 second.

Perform CVT PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

1. When Monitored: Ignition on with no CAN DTCs detected.

1. Set Condition: When the TCM receives an engine torque request from the PCM over the CAN Bus that does not change for the period of 1.0 second.

Perform CVT PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .