Heating & Air Conditioning - Electrical Diagnostics: Other Dodge Challenger III рестайлинг

WHEN MONITORED

With the ignition on.

SET CONDITION

If the A/C On/Off Control Switch is stuck in an On position for more than 20 seconds. This DTC has a de-maturing time of one second. If the DTCs status changes from active to stored, the DTC will stay in memory for 100 ignition cycles.

POSSIBLE CAUSES

Always perform the HVAC PRE-DIAGNOSTIC TROUBLESHOOTING procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

With the ignition on.

If the Recirculation mode switch is stuck in a On position for more than 20 seconds. This DTC has a de-maturing time of one second. If the DTCs status changes from active to stored, the DTC will stay in memory for 100 ignition cycles.

Always perform the HVAC PRE-DIAGNOSTIC TROUBLESHOOTING procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

With the ignition on.

If the Electric Back light (EBL) Electronic Rear Defrost switch is stuck in an On position for more than 20 seconds. This DTC has a de-maturing time of one second. If the DTCs status changes from active to stored, the DTC will stay in memory for 100 ignition cycles.

Always perform the HVAC PRE-DIAGNOSTIC TROUBLESHOOTING procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

With the ignition on.

The Evaporator Temperature Sensor voltage input to the A/C Heater Control is equal to or below 0.9 of a volt for a continuous period of 1.2 seconds. If the A/C Heater Control detects a valid voltage, the Diagnostic Trouble Code (DTC) will change from active to stored and will stay stored for 100 ignition cycles.

Always perform the HVAC PRE-DIAGNOSTIC TROUBLESHOOTING procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

Scheme 3

Scheme 4

1. CHECK IF THE DTC IS ACTIVE Ignition on, engine not running. Using the scan tool, read HVAC DTCs. Is this DTC active? Yes Go To 2 . No Go To 5 .
2. CHECK (C21) EVAPORATOR TEMPERATURE SENSOR SIGNAL CIRCUIT FOR A SHORT TO GROUND Turn the ignition off to the lock position. Disconnect the A/C Heater Control C1 harness connector. Disconnect the Evaporator Temperature Sensor harness connector. Measure the resistance between ground and the (C21) Evaporator Temperature Sensor Signal circuit. Is the resistance below 100k Ohms? Yes Repair the (C21) Evaporator Temperature Sensor Signal circuit for a short to ground. Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Go To 3 .
3. CHECK (C21) EVAPORATOR TEMPERATURE SENSOR SIGNAL CIRCUIT FOR A SHORT TO THE (C121) SENSOR GROUND CIRCUIT Measure the resistance between the (C21) Evaporator Temperature Sensor Signal circuit and the (C121) Sensor Ground circuit. Is the resistance below 100k Ohms? Yes Repair the (C21) Evaporator Temperature Sensor Signal circuit for a short to (C121) Sensor Ground circuit. Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Go To 4 .
4. CHECK THE EVAPORATOR TEMPERATURE SENSOR Replace the Evaporator Temperature Sensor in accordance with the Service Information. Refer to «SENSOR, EVAPORATOR TEMPERATURE, REMOVAL»(ref-489295-S17784167412012072600000) . Cycle the ignition off for 30 seconds then back on. With the scan tool, read HVAC DTCs. Does this DTC reset? Yes Replace and program the A/C Heater Control in accordance with the Service Information. Refer to «CONTROL, A/C AND HEATER, REMOVAL»(ref-489295-S06600135322012072600000) . Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Test complete. Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) .
5. CHECK THE WIRING AND CONNECTORS The conditions necessary to set the DTC are not present at this time. Using the scan tool, check the Environmental Data to help identify the conditions in which the DTC was set. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension. Wiggle the wiring and connectors while checking for shorted and open circuits. Were there any problems found? Yes Repair as necessary. Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Test complete.

With the ignition on.

The Evaporator Temperature Sensor voltage input to the A/C Heater Control is equal to or above 4.8 volts for a continuous period of two seconds. If the A/C Heater Control detects a valid voltage, the DTC will change from Active to Stored and will stay in the controllers memory for 100 ignition cycles.

Always perform the HVAC PRE-DIAGNOSTIC TROUBLESHOOTING procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

Scheme 5

Scheme 6

Scheme 7

Scheme 8

1. CHECK (C21) EVAPORATOR TEMPERATURE SENSOR SIGNAL CIRCUIT VOLTAGE Ignition on, engine not running. With the scan tool, read HVAC DTCs. Is this DTC active? Yes Go To 2 . No Go To 7 .
2. CHECK THE (C21) EVAPORATOR TEMPERATURE SENSOR SIGNAL CIRCUIT VOLTAGE Turn the ignition off to the lock position. Disconnect the Evaporator Temperature Sensor harness connector. NOTE: Due to the small terminal and pin size of the Evaporator Temperature Sensor and harness connector, make sure to not damage the terminals in this process. Connect a jumper wire between the (C21) Evaporator Temperature Sensor Signal circuit and the (C121) Sensor Ground circuit in the Evaporator Temperature Sensor harness connector. Ignition on, engine not running. With the scan tool, read the Evaporator Temperature Sensor voltage. Is the voltage below 0.1 of a volt? Yes Replace the Evaporator Temperature Sensor in accordance with the Service Information. Refer to «SENSOR, EVAPORATOR TEMPERATURE, REMOVAL»(ref-489295-S17784167412012072600000) . Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Go To 3 .
3. CHECK THE (C21) EVAPORATOR TEMPERATURE SENSOR SIGNAL CIRCUIT FOR A SHORT TO VOLTAGE Turn the ignition off to the lock position. Disconnect the jumper wire from the Evaporator Temperature Sensor harness connector. Disconnect the A/C Heater Control C1 harness connector. Ignition on, engine not running. Measure the voltage of the (C21) Evaporator Temperature Sensor Signal circuit. Is there any voltage present? Yes Repair the (C21) Evaporator Temperature Sensor Signal circuit for a short to voltage. Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Go To 4 .
4. CHECK THE (C21) EVAPORATOR TEMPERATURE SENSOR SIGNAL CIRCUIT FOR AN OPEN Turn the ignition off to the lock position. Measure the resistance of the (C21) Evaporator Temperature Sensor Signal circuit between the A/C Heater Control C1 harness connector and the Evaporator Temperature Sensor harness connector. Is the resistance above 1.0 Ohm? Yes Repair the (C21) Evaporator Temperature Sensor Signal circuit for an open or high resistance. Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Go To 5 .
5. CHECK THE (C121) SENSOR GROUND CIRCUIT FOR AN OPEN Measure the resistance of the (C121) Sensor Ground circuit between the A/C Heater Control C1 harness connector and the Evaporator Temperature Sensor harness connector. Is the resistance above 1.0 Ohm? Yes Repair the (C121) Sensor Ground circuit for an open. Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Go To 6 .
6. CHECK THE EVAPORATOR TEMPERATURE SENSOR Replace the Evaporator Temperature Sensor in Accordance with the Service Information. Refer to «SENSOR, EVAPORATOR TEMPERATURE, REMOVAL»(ref-489295-S17784167412012072600000) . Cycle the ignition off for 30 seconds then back on. With the scan tool, read HVAC DTCs. Does this DTC reset? Yes Replace and program the A/C Heater Control in accordance with the Service Information. Refer to «CONTROL, A/C AND HEATER, REMOVAL»(ref-489295-S06600135322012072600000) . Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Test complete. Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) .
7. CHECK THE WIRING AND CONNECTORS The conditions necessary to set the DTC are not present at this time. With the scan tool, check the Environmental Data to help identify the conditions in which the DTC was set. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension. Wiggle the wiring and connectors while checking for shorted and open circuits. Were there any problems found? Yes Repair as necessary. Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Test complete.

Scheme 9

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

Continuously with the ignition on.

The A/C Heater Control detects a short to ground on the Recirculation Door Driver circuit. If the A/C Heater Control detects valid current draw, the DTC will change from Active to Stored and will stay in the controllers memory for 100 ignition cycles.

Always perform the HVAC PRE-DIAGNOSTIC TROUBLESHOOTING procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

Scheme 10

Scheme 11

1. CHECK IF DTC IS ACTIVE Ignition on, engine not running. With the scan tool, read HVAC DTCs. Is this DTC active? Yes Go To 3 . No Go To 2 .
2. PERFORM HVAC ACTUATOR CALIBRATION TEST With the scan tool, perform the HVAC Actuator Calibration Test. Did this DTC change from Stored to Active while performing the HVAC Actuator Calibration Test? Yes Go To 3 . No Go To 6 .
3. CHECK THE (C32) RECIRCULATION DOOR DRIVER CIRCUIT FOR A SHORT TO GROUND Turn the ignition off to the lock position. Disconnect the A/C Heater Control C1 harness connector. Disconnect the Recirculation Door Actuator harness connector. Measure the resistance between ground and the (C32) Recirculation Door Driver circuit. Is the resistance below 100k Ohms? Yes Repair the (C32) Recirculation Door Driver circuit for a short to ground. Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Go To 4 .
4. CHECK THE (C34) COMMON DOOR DRIVER CIRCUIT FOR A SHORT TO GROUND Measure the resistance between ground and the (C34) Common Door Driver circuit. Is the resistance below 100k Ohms? Yes Repair the (C34) Common Door Driver circuit for a short to ground. Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Go To 5 .
5. CHECK THE RECIRCULATION DOOR ACTUATOR Replace the Recirculation Door Actuator in accordance with the Service Information. Refer to «ACTUATOR, RECIRCULATION DOOR, REMOVAL»(ref-489295-S01726487772012072600000) . With the scan tool, erase HVAC DTCs and perform the HVAC Actuator Calibration Test. Did this DTC reset? Yes Replace and program the A/C Heater Control in accordance with the Service Information. Refer to «CONTROL, A/C AND HEATER, REMOVAL»(ref-489295-S06600135322012072600000) . Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Test complete. Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) .
6. CHECK THE WIRING AND CONNECTORS The conditions necessary to set the DTC are not present at this time. With the scan tool, check the Environmental Data to help identify the conditions in which the DTC was set. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension. Wiggle the wiring and connectors while checking for shorted and open circuits. Were there any problems found? Yes Repair as necessary. Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Test complete.

Continuously with the ignition on.

The A/C Heater Control detects a short voltage on the Recirculation Door control circuit. If the A/C Heater Control detects a valid voltage, the DTC will change from Active to Stored and will stay in the controllers memory for 100 ignition cycles.

Always perform the HVAC PRE-DIAGNOSTIC TROUBLESHOOTING procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

Scheme 12

Scheme 13

1. CHECK IF DTC IS ACTIVE Ignition on, engine not running. With the scan tool, read HVAC DTCs. Is this DTC active? Yes Go To 3 . No Go To 2 .
2. PERFORM HVAC ACTUATOR CALIBRATION TEST With the scan tool, perform the HVAC Actuator Calibration Test. Did this DTC change from Stored to Active while performing the HVAC Actuator Calibration Test? Yes Go To 3 . No Go To 6 .
3. CHECK THE (C32) RECIRCULATION DOOR DRIVER CIRCUIT FOR A SHORT TO VOLTAGE Turn the ignition off to the lock position. Disconnect the A/C Heater Control C1 harness connector. Disconnect the Recirculation Door Actuator harness connector. Ignition on, engine not running. Measure the voltage of the (C32) Recirculation Door Driver circuit. Is there any voltage present? Yes Repair the (C32) Recirculation Door Driver circuit for a short to voltage. Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Go To 4 .
4. CHECK THE (C34) COMMON DOOR DRIVER CIRCUIT FOR A SHORT TO VOLTAGE Measure the voltage of the (C34) Common Door Driver circuit. Is there any voltage present? Yes Repair the (C34) Common Door Driver circuit for a short to voltage. Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Go To 5 .
5. CHECK THE RECIRCULATION DOOR ACTUATOR Turn the ignition off to the lock position. Replace the Recirculation Door Actuator in accordance with the Service Information. Refer to «ACTUATOR, RECIRCULATION DOOR, REMOVAL»(ref-489295-S01726487772012072600000) . With the scan tool, erase HVAC DTCs and perform the HVAC Actuator Calibration Test. Did this DTC reset? Yes Replace and program the A/C Heater Control in accordance with the Service Information. Refer to «CONTROL, A/C AND HEATER, REMOVAL»(ref-489295-S06600135322012072600000) . Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Test complete. Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) .
6. CHECK THE WIRING AND CONNECTORS The conditions necessary to set the DTC are not present at this time. With the scan tool, check the Environmental Data to help identify the conditions in which the DTC was set. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension. Wiggle the wiring and connectors while checking for shorted and open circuits. Were there any problems found? Yes Repair as necessary. Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Test complete.

Continuously with the ignition on.

The A/C Heater Control detects an open in the Recirculation Door control circuit. If the A/C Heater Control detects a valid current draw, the DTC will change from Active to Stored and will stay in the controllers memory for 100 ignition cycles.

Always perform the HVAC PRE-DIAGNOSTIC TROUBLESHOOTING procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

Scheme 14

Scheme 15

Scheme 16

1. CHECK IF DTC IS ACTIVE Ignition on, engine not running. With the scan tool, read HVAC DTCs. Is this DTC active? Yes Go To 3 . No Go To 2 .
2. PERFORM HVAC ACTUATOR CALIBRATION TEST With the scan tool, perform the HVAC Actuator Calibration Test. Did this DTC change from Stored to Active while performing the HVAC Actuator Calibration Test? Yes Go To 3 . No Go To 6 .
3. CHECK THE RECIRCULATION DOOR ACTUATOR Turn the ignition off to the lock position. Disconnect the A/C Heater Control C1 harness connector. Measure the resistance between the (C32) Recirculation Door Driver circuit and the (C34) Common Door Driver circuit. Is the resistance 38.0 Ohms (± 5.0 Ohms)? Yes Replace and program the A/C Heater Control in accordance with the Service Information. Refer to «CONTROL, A/C AND HEATER, REMOVAL»(ref-489295-S06600135322012072600000) . Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Go To 4 .
4. CHECK THE (C32) RECIRCULATION DOOR DRIVER CIRCUIT FOR AN OPEN Turn the ignition off to the lock position. Disconnect the Recirculation Door Actuator harness connector. Measure the resistance of the (C32) Recirculation Door Driver circuit between the A/C Heater Control C1 harness connector and the Recirculation Door Actuator harness connector. Is the resistance above 1.0 Ohm? Yes Repair the (C32) Recirculation Door Driver circuit for an open or high resistance. Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Go To 5 .
5. CHECK THE (C34) COMMON DOOR DRIVER CIRCUIT FOR AN OPEN Measure the resistance of the (C34) Common Door Driver circuit between the A/C Heater Control C1 harness connector and the Recirculation Door Actuator harness connector. Is the resistance above 1.0 Ohm? Yes Repair the (C34) Common Door Driver circuit for an open or high resistance. Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Replace the Recirculation Door Actuator in accordance with the Service Information. Refer to «ACTUATOR, RECIRCULATION DOOR, REMOVAL»(ref-489295-S01726487772012072600000) . Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) .
6. CHECK THE WIRING AND CONNECTORS The conditions necessary to set the DTC are not present at this time. With the scan tool, check the Environmental Data to help identify the conditions in which the DTC was set. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension. Wiggle the wiring and connectors while checking for shorted and open circuits. Were there any problems found? Yes Repair as necessary. Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Test complete.

With the ignition on and an actuator movement is commanded by the A/C Heater Control or during an HVAC Actuator Calibration Test.

If an actuator move is commanded by A/C Heater Control and no feedback pulses are detected in either clockwise or counterclockwise movement for the period of 15 seconds. If the A/C Heater Control detects valid feedback pulses for 15 seconds, the DTC will change from Active to Stored and will stay in the controllers memory for 100 ignition cycles.

Always perform the HVAC PRE-DIAGNOSTIC TROUBLESHOOTING procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

B105C-00-RECIRCULATION DOOR TRAVEL RANGE TOO SMALL

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

When ever an Actuator Calibration Test is performed.

The A/C Heater Control uses a pulse feedback to the controller to detect the total door movement range. If the amount of pulses required to move the door completely in both directions is less than what the controller has stored in its memory, this DTC will set. If an Actuator Calibration Test is performed and the A/C Heater Control detects a valid range of the door movement span in both directions, the DTC will change from Active to Stored and will stay in the controllers memory for 100 ignition cycles.

Always perform the HVAC PRE-DIAGNOSTIC TROUBLESHOOTING procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

B105D-00-RECIRCULATION DOOR TRAVEL RANGE TOO LARGE

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

When ever an Actuator Calibration Test is performed.

The A/C Heater Control uses a pulse feedback to the controller to detect the total door movement range. If the amount of pulses required to move the door completely in both directions is greater than what the controller has stored in its memory, this DTC will set. If an Actuator Calibration Test is performed or during normal operation and the A/C Heater Control detects a valid range of the door movement span in both directions, the DTC will change from Active to Stored and will stay in the controllers memory for 100 ignition cycles.

Always perform the HVAC PRE-DIAGNOSTIC TROUBLESHOOTING procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

With the ignition on.

When the In-Car Temperature Sensor signal to the A/C Heater Control is less than 0.5 volts for a continuous period of two seconds or more. This DTC has a de-maturing time of 20 ms. If the DTCs status changes from active to stored, the DTC will stay in memory for 100 ignition cycles.

Always perform the HVAC PRE-DIAGNOSTIC TROUBLESHOOTING procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

Scheme 17

Scheme 18

1. CHECK IF DTC IS ACTIVE Ignition on, engine not running. With the scan tool, read HVAC DTCs. Is this DTC active? Yes Go To 2 . No Go To 5 .
2. CHECK IF THE IN-CAR TEMPERATURE SENSOR IS PROPERLY CONNECTED Turn the ignition off to the lock position. Check the connector to In-Car Temperature Sensor for proper connection and the terminals for damage or corrosion. Is the In-Car Temperature Sensor connector properly connected and terminals undamaged or corroded? Yes Go To 3 . No Repair connector and terminals as necessary. Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) .
3. CHECK THE (C36) IN-CAR TEMPERATURE SENSOR SIGNAL CIRCUIT FOR A SHORT TO GROUND Turn the ignition off to the lock position. Disconnect the A/C Heater Control C1 harness connector. Disconnect the In-Car Temperature Sensor harness connector. Measure the resistance between ground and the (C36) In-Car Temperature Sensor Signal circuit. Is the resistance below 100k Ohms? Yes Repair the In-Car Temperature Sensor Signal circuit for a short to ground. Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Go To 4 .
4. CHECK THE IN-CAR TEMPERATURE SENSOR Remove the In-Car Temperature Sensor. Refer to «SENSOR, TEMPERATURE, IN-CAR, REMOVAL»(ref-489295-S13327088872012072600000) . Measure the resistance of the In-Car Temperature Sensor and compare the resistance to the In-Car Temperature Sensor Resistance Chart in the Service Information. Refer to «SENSOR, TEMPERATURE, IN-CAR, DIAGNOSIS AND TESTING»(ref-489295-S05467599542012072600000) . Is the In-Car Temperature Sensor within the specified limits of In-Car Temperature Sensor Resistance Chart? Yes Replace and program the A/C Heater Control in accordance with the Service Information. Refer to «CONTROL, A/C AND HEATER, REMOVAL»(ref-489295-S06600135322012072600000) . Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Replace the In-Car Temperature Sensor in accordance to the Service Information. Refer to «SENSOR, TEMPERATURE, IN-CAR, INSTALLATION»(ref-489295-S15468350932012072600000) . Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) .
5. CHECK THE WIRING AND CONNECTORS The conditions necessary to set the DTC are not present at this time. With the scan tool, check the Environmental Data to help identify the conditions in which the DTC was set. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension. Wiggle the wiring and connectors while checking for shorted and open circuits. Were there any problems found? Yes Repair as necessary. Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Test complete.

With ever an A/C Cooldown Test is performed.

This DTC is set whenever the A/C Cooldown Test is performed and the desired temperature drop is not achieved by the system. The DTC will go to stored after a successful A/C Cooldown Test.

Always perform the HVAC PRE-DIAGNOSTIC TROUBLESHOOTING procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

B11C2-11-FRONT MODE DOOR 1 CONTROL - CIRCUIT SHORT TO GROUND

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

Continuously with the ignition on.

The A/C Heater Control detects a short to ground on the Mode Door control circuit. If the A/C Heater Control detects valid current draw, the DTC will change from Active to Stored and will stay in the controllers memory for 100 ignition cycles.

Always perform the HVAC PRE-DIAGNOSTIC TROUBLESHOOTING procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

Scheme 19

Scheme 20

1. CHECK IF DTC IS ACTIVE Ignition on, engine not running. With the scan tool, read HVAC DTCs. Is this DTC active? Yes Go To 3 . No Go To 2 .
2. PERFORM HVAC ACTUATOR CALIBRATION TEST With the scan tool, perform the HVAC Actuator Calibration Test. Did this DTC change from Stored to Active while performing the HVAC Actuator Calibration Test? Yes Go To 3 . No Go To 6 .
3. CHECK THE (C35) MODE DOOR DRIVER CIRCUIT FOR A SHORT TO GROUND Turn the ignition off to the lock position. Disconnect the A/C Heater Control C1 harness connector. Disconnect the Mode Door Actuator harness connector. Measure the resistance between ground and the (C35) Mode Door Driver circuit. Is the resistance below 100k Ohms? Yes Repair the (C35) Mode Door Driver circuit for a short to ground. Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Go To 4 .
4. CHECK THE (C34) COMMON DOOR DRIVER CIRCUIT FOR A SHORT TO GROUND Measure the resistance between ground and the (C34) Common Door Driver circuit. Is the resistance below 100k Ohms? Yes Repair the (C34) Common Door Driver circuit for a short to ground. Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Go To 5 .
5. CHECK THE MODE DOOR ACTUATOR Replace the Mode Door Actuator in accordance with the Service Information. Refer to «ACTUATOR, MODE DOOR, REMOVAL»(ref-489295-S37378889302012072600000) . With the scan tool, erase HVAC DTCs and perform the HVAC Actuator Calibration Test. Did this DTC reset? Yes Replace and program the A/C Heater Control in accordance with the Service Information. Refer to «CONTROL, A/C AND HEATER, REMOVAL»(ref-489295-S06600135322012072600000) . Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Test complete. Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) .
6. CHECK THE WIRING AND CONNECTORS The conditions necessary to set the DTC are not present at this time. With the scan tool, check the Environmental Data to help identify the conditions in which the DTC was set. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension. Wiggle the wiring and connectors while checking for shorted and open circuits. Were there any problems found? Yes Repair as necessary. Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Test complete.

B11C2-12-FRONT MODE DOOR 1 CONTROL - CIRCUIT SHORT TO BATTERY

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

Continuously with the ignition on.

The A/C Heater Control detects a short voltage on the Mode Door control circuit. If the A/C Heater Control detects a valid voltage, the DTC will change from Active to Stored and will stay in the controllers memory for 100 ignition cycles.

Always perform the HVAC PRE-DIAGNOSTIC TROUBLESHOOTING procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

Scheme 21

Scheme 22

1. CHECK IF DTC IS ACTIVE Ignition on, engine not running. With the scan tool, read HVAC DTCs. Is this DTC active? Yes Go To 3 . No Go To 2 .
2. PERFORM HVAC ACTUATOR CALIBRATION TEST With the scan tool, perform the HVAC Actuator Calibration Test. Did this DTC change from Stored to Active while performing the HVAC Actuator Calibration Test? Yes Go To 3 . No Go To 6 .
3. CHECK THE (C35) MODE DOOR DRIVER CIRCUIT FOR A SHORT TO VOLTAGE Turn the ignition off to the lock position. Disconnect the A/C Heater Control C1 harness connector. Disconnect the Mode Door Actuator harness connector. Ignition on, engine not running. Measure the voltage of the (C35) Mode Door Driver circuit. Is there any voltage present? Yes Repair the (C35) Mode Door Driver circuit for a short to voltage. Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Go To 4 .
4. CHECK THE (C34) COMMON DOOR DRIVER CIRCUIT FOR A SHORT TO VOLTAGE Measure the voltage of the (C34) Common Door Driver circuit. Is there any voltage present? Yes Repair the (C34) Common Door Driver circuit for a short to voltage. Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Go To 5 .
5. CHECK THE MODE DOOR ACTUATOR Turn the ignition off to the lock position. Replace the Mode Door Actuator in accordance with the Service Information. Refer to «ACTUATOR, MODE DOOR, REMOVAL»(ref-489295-S37378889302012072600000) . With the scan tool, erase HVAC DTCs and perform the HVAC Actuator Calibration Test. Did this DTC reset? Yes Replace and program the A/C Heater Control in accordance with the Service Information. Refer to «CONTROL, A/C AND HEATER, REMOVAL»(ref-489295-S06600135322012072600000) . Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Test complete. Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) .
6. CHECK THE WIRING AND CONNECTORS The conditions necessary to set the DTC are not present at this time. With the scan tool, check the Environmental Data to help identify the conditions in which the DTC was set. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension. Wiggle the wiring and connectors while checking for shorted and open circuits. Were there any problems found? Yes Repair as necessary. Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Test complete.

B11C2-13-FRONT MODE DOOR 1 CONTROL - CIRCUIT OPEN

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

Continuously with the ignition on.

The A/C Heater Control detects an open in the Mode Door control circuit. If the A/C Heater Control detects a valid current draw, the DTC will change from Active to Stored and will stay in the controllers memory for 100 ignition cycles.

Always perform the HVAC PRE-DIAGNOSTIC TROUBLESHOOTING procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

Scheme 23

Scheme 24

Scheme 25

1. CHECK IF DTC IS ACTIVE Ignition on, engine not running. With the scan tool, read HVAC DTCs. Is this DTC active? Yes Go To 3 . No Go To 2 .
2. PERFORM HVAC ACTUATOR CALIBRATION TEST With the scan tool, perform the HVAC Actuator Calibration Test. Did this DTC change from Stored to Active while performing the HVAC Actuator Calibration Test? Yes Go To 3 . No Go To 6 .
3. CHECK THE MODE DOOR ACTUATOR Turn the ignition off to the lock position. Disconnect the A/C Heater Control C1 harness connector. Measure the resistance between the (C35) Mode Door Driver circuit and the (C34) Common Door Driver circuit. Is the resistance 38.0 Ohms (± 5.0 Ohms)? Yes Replace and program the A/C Heater Control in accordance with the Service Information. Refer to «CONTROL, A/C AND HEATER, REMOVAL»(ref-489295-S06600135322012072600000) . Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Go To 4 .
4. CHECK THE (C35) MODE DOOR DRIVER CIRCUIT FOR AN OPEN Turn the ignition off to the lock position. Disconnect the Mode Door Actuator harness connector. Measure the resistance of the (C35) Mode Door Driver circuit between the A/C Heater Control C1 harness connector and the Mode Door Actuator harness connector. Is the resistance above 1.0 Ohm? Yes Repair the (C35) Mode Door Driver circuit for an open or high resistance. Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Go To 5 .
5. CHECK THE (C34) COMMON DOOR DRIVER CIRCUIT FOR AN OPEN Measure the resistance of the (C34) Common Door Driver circuit between the A/C Heater Control C1 harness connector and the Mode Door Actuator harness connector. Is the resistance above 1.0 Ohm? Yes Repair the (C34) Common Door Driver circuit for an open or high resistance. Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Replace the Mode Door Actuator in accordance with the Service Information. Refer to «ACTUATOR, MODE DOOR, REMOVAL»(ref-489295-S37378889302012072600000) . Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) .
6. CHECK THE WIRING AND CONNECTORS The conditions necessary to set the DTC are not present at this time. With the scan tool, check the Environmental Data to help identify the conditions in which the DTC was set. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension. Wiggle the wiring and connectors while checking for shorted and open circuits. Were there any problems found? Yes Repair as necessary. Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Test complete.

With the ignition on and an actuator movement is commanded by the A/C Heater Control or during an HVAC Actuator Calibration Test.

If an actuator move is commanded by A/C Heater Control and no feedback pulses are detected in either clockwise or counterclockwise movement for the period of 15 seconds. If the A/C Heater Control detects valid feedback pulses for 15 seconds, the DTC will change from Active to Stored and will stay in the controllers memory for 100 ignition cycles.

Always perform the HVAC PRE-DIAGNOSTIC TROUBLESHOOTING procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

B11C3-00-FRONT MODE DOOR 1 TRAVEL RANGE TOO SMALL

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

When ever an Actuator Calibration Test is performed.

The A/C Heater Control uses a pulse feedback to the controller to detect the total door movement range. If the amount of pulses required to move the door completely in both directions is less than what the controller has stored in its memory, this DTC will set. If an Actuator Calibration Test is performed and the A/C Heater Control detects a valid range of the door movement span in both directions, the DTC will change from Active to Stored and will stay in the controllers memory for 100 ignition cycles.

Always perform the HVAC PRE-DIAGNOSTIC TROUBLESHOOTING procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

B11C4-00-FRONT MODE DOOR 1 TRAVEL RANGE TOO LARGE

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

When ever an Actuator Calibration Test is performed.

The A/C Heater Control uses a pulse feedback to the controller to detect the total door movement range. If the amount of pulses required to move the door completely in both directions is greater than what the controller has stored in its memory, this DTC will set. If an Actuator Calibration Test is performed or during normal operation and the A/C Heater Control detects a valid range of the door movement span in both directions, the DTC will change from Active to Stored and will stay in the controllers memory for 100 ignition cycles.

Always perform the HVAC PRE-DIAGNOSTIC TROUBLESHOOTING procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

B11CB-11-MAIN/LEFT TEMPERATURE DOOR CONTROL - CIRCUIT SHORT TO GROUND

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

Continuously with the ignition on.

The A/C Heater Control detects a short to ground on the Blend Door control circuit. If the A/C Heater Control detects valid current draw, the DTC will change from Active to Stored and will stay in the controllers memory for 100 ignition cycles.

Always perform the HVAC PRE-DIAGNOSTIC TROUBLESHOOTING procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

Scheme 26

Scheme 27

1. CHECK IF DTC IS ACTIVE Ignition on, engine not running. Using the scan tool, read HVAC DTCs. Is this DTC active? Yes Go To 3 . No Go To 2 .
2. PERFORM HVAC ACTUATOR CALIBRATION TEST Using the scan tool, perform the HVAC Actuator Calibration Test. Did this DTC change from Stored to Active while performing the HVAC Actuator Calibration Test? Yes Go To 3 . No Go To 6 .
3. CHECK THE (C61) BLEND DOOR DRIVER CIRCUIT FOR A SHORT TO GROUND Turn the ignition off to the lock position. Disconnect the A/C Heater Control C1 harness connector. Disconnect the Blend Door Actuator harness connector. Measure the resistance between ground and the (C61) Blend Door Driver circuit. Is the resistance below 100k Ohms? Yes Repair the (C61) Blend Door Driver circuit for a short to ground. Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Go To 4 .
4. CHECK THE (C34) COMMON DOOR DRIVER CIRCUIT FOR A SHORT TO GROUND Measure the resistance between ground and the (C34) Common Door Driver circuit. Is the resistance below 100k Ohms? Yes Repair the (C34) Common Door Driver circuit for a short to ground. Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Go To 5 .
5. CHECK THE BLEND DOOR ACTUATOR Replace the Blend Door Actuator in accordance with the Service Information. Refer to «ACTUATOR, BLEND DOOR, REMOVAL»(ref-489295-S17209438692012072600000) . Using the scan tool, erase HVAC DTCs and perform the HVAC Actuator Calibration Test. Did this DTC reset? Yes Replace and program the A/C Heater Control in accordance with the Service Information. Refer to «CONTROL, A/C AND HEATER, REMOVAL»(ref-489295-S06600135322012072600000) . Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Test complete. Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) .
6. CHECK THE WIRING AND CONNECTORS The conditions necessary to set the DTC are not present at this time. Using the scan tool, check the Environmental Data to help identify the conditions in which the DTC was set. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension. Wiggle the wiring and connectors while checking for shorted and open circuits. Were there any problems found? Yes Repair as necessary. Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Test complete.

B11CB-12-MAIN/LEFT TEMPERATURE DOOR CONTROL - CIRCUIT SHORT TO BATTERY

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

Continuously with the ignition on.

The A/C Heater Control detects a short voltage on the Blend Door control circuit. If the A/C Heater Control detects a valid voltage, the DTC will change from Active to Stored and will stay in the controllers memory for 100 ignition cycles.

Always perform the HVAC PRE-DIAGNOSTIC TROUBLESHOOTING procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

Scheme 28

Scheme 29

1. CHECK IF DTC IS ACTIVE Ignition on, engine not running. Using the scan tool, read HVAC DTCs. Is this DTC active? Yes Go To 3 . No Go To 2 .
2. PERFORM HVAC ACTUATOR CALIBRATION TEST Using the scan tool, perform the HVAC Actuator Calibration Test. Did this DTC change from Stored to Active while performing the HVAC Actuator Calibration Test? Yes Go To 3 . No Go To 6 .
3. CHECK THE (C61) BLEND DOOR DRIVER CIRCUIT FOR A SHORT TO VOLTAGE Turn the ignition off to the lock position. Disconnect the A/C Heater Control C1 harness connector. Disconnect the Blend Door Actuator harness connector. Ignition on, engine not running. Measure the voltage of the (C61) Blend Door Driver circuit. Is there any voltage present? Yes Repair the (C61) Blend Door Driver circuit for a short to voltage. Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Go To 4 .
4. CHECK THE (C34) COMMON DOOR DRIVER CIRCUIT FOR A SHORT TO VOLTAGE Measure the voltage of the (C34) Common Door Driver circuit. Is there any voltage present? Yes Repair the (C34) Common Door Driver circuit for a short to voltage. Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Go To 5 .
5. CHECK THE BLEND DOOR ACTUATOR Replace the Blend Door Actuator in accordance with the Service Information. Refer to «ACTUATOR, BLEND DOOR, REMOVAL»(ref-489295-S17209438692012072600000) . With the scan tool, erase HVAC DTCs and perform the HVAC Actuator Calibration Test. Did this DTC reset? Yes Replace and program the A/C Heater Control in accordance with the Service Information. Refer to «CONTROL, A/C AND HEATER, REMOVAL»(ref-489295-S06600135322012072600000) . Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Test complete. Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) .
6. CHECK THE WIRING AND CONNECTORS The conditions necessary to set the DTC are not present at this time. With the scan tool, check the Environmental Data to help identify the conditions in which the DTC was set. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension. Wiggle the wiring and connectors while checking for shorted and open circuits. Were there any problems found? Yes Repair as necessary. Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Test complete.

B11CB-13-MAIN/LEFT TEMPERATURE DOOR CONTROL - CIRCUIT OPEN

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

Continuously with the ignition on.

The A/C Heater Control detects an open in the Blend Door control circuit. If the A/C Heater Control detects a valid current draw, the DTC will change from Active to Stored and will stay in the controllers memory for 100 ignition cycles.

Always perform the HVAC PRE-DIAGNOSTIC TROUBLESHOOTING procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

Scheme 30

Scheme 31

Scheme 32

1. CHECK IF DTC IS ACTIVE Ignition on, engine not running. Using the scan tool, read HVAC DTCs. Is this DTC active? Yes Go To 3 . No Go To 2 .
2. PERFORM HVAC ACTUATOR CALIBRATION TEST Using the scan tool, perform the HVAC Actuator Calibration Test. Did this DTC change from Stored to Active while performing the HVAC Actuator Calibration Test? Yes Go To 3 . No Go To 6 .
3. CHECK THE BLEND DOOR ACTUATOR Turn the ignition off to the lock position. Disconnect the A/C Heater Control C1 harness connector. Measure the resistance between the (C61) Blend Door Driver circuit and the (C34) Common Door Driver circuit. Is the resistance 38.0 Ohms (± 5.0 Ohms)? Yes Replace and program the A/C Heater Control in accordance with the Service Information. Refer to «CONTROL, A/C AND HEATER, REMOVAL»(ref-489295-S06600135322012072600000) . Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Go To 4 .
4. CHECK THE (C61) BLEND DOOR DRIVER CIRCUIT FOR AN OPEN Turn the ignition off to the lock position. Disconnect the Blend Door Actuator harness connector. Measure the resistance of the (C61) Blend Door Driver circuit between the A/C Heater Control C1 harness connector and the Blend Door Actuator harness connector. Is the resistance above 1.0 Ohm? Yes Repair the (C61) Blend Door Driver circuit for an open or high resistance. Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Go To 5 .
5. CHECK THE (C34) COMMON DOOR DRIVER CIRCUIT FOR AN OPEN Measure the resistance of the (C34) Common Door Driver circuit between the A/C Heater Control C1 harness connector and the Blend Door Actuator harness connector. Is the resistance above 1.0 Ohm? Yes Repair the (C34) Common Door Driver circuit for an open or high resistance. Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Replace the Blend Door Actuator in accordance with the Service Information. Refer to «ACTUATOR, BLEND DOOR, REMOVAL»(ref-489295-S17209438692012072600000) . Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) .
6. CHECK THE WIRING AND CONNECTORS The conditions necessary to set the DTC are not present at this time. Using the scan tool, check the Environmental Data to help identify the conditions in which the DTC was set. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension. Wiggle the wiring and connectors while checking for shorted and open circuits. Were there any problems found? Yes Repair as necessary. Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Test complete.

With the ignition on and an actuator movement is commanded by the A/C Heater Control or during an HVAC Actuator Calibration Test.

If an actuator move is commanded by A/C Heater Control and no feedback pulses are detected in either clockwise or counterclockwise movement for the period of 15 seconds. If the A/C Heater Control detects valid feedback pulses for 15 seconds, the DTC will change from Active to Stored and will stay in the controllers memory for 100 ignition cycles.

Always perform the HVAC PRE-DIAGNOSTIC TROUBLESHOOTING procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

B11CC-00-MAIN/LEFT TEMPERATURE DOOR TRAVEL TOO SMALL

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

When ever an Actuator Calibration Test is performed.

The A/C Heater Control uses a pulse feedback to the controller to detect the total door movement range. If the amount of pulses required to move the door completely in both directions is less than what the controller has stored in its memory, this DTC will set. If an Actuator Calibration Test is performed and the A/C Heater Control detects a valid range of the door movement span in both directions, the DTC will change from Active to Stored and will stay in the controllers memory for 100 ignition cycles.

Always perform the HVAC PRE-DIAGNOSTIC TROUBLESHOOTING procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

B11CD-00-MAIN/LEFT TEMPERATURE DOOR TRAVEL TOO LARGE

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

When ever an Actuator Calibration Test is performed.

The A/C Heater Control uses a pulse feedback to the controller to detect the total door movement range. If the amount of pulses required to move the door completely in both directions is greater than what the controller has stored in its memory, this DTC will set. If an Actuator Calibration Test is performed or during normal operation and the A/C Heater Control detects a valid range of the door movement span in both directions, the DTC will change from Active to Stored and will stay in the controllers memory for 100 ignition cycles.

Always perform the HVAC PRE-DIAGNOSTIC TROUBLESHOOTING procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

With the ignition on.

If the internal blower circuit is less than 0.05 of a volt or greater than 4.95 volts for a period of 1200 msec.

Always perform the HVAC PRE-DIAGNOSTIC TROUBLESHOOTING procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

B11EC-12-CABIN TEMPERATURE FAN MOTOR CONTROL - CIRCUIT SHORT TO BATTERY

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

With the ignition on.

The A/C Heater Control detects on the In-Car Temperature Sensor signal circuit an input voltage greater than 4.9 volts for a continuous period of two seconds or more. This DTC has a de-maturing time of 20 ms. If the DTCs status changes from active to stored, the DTC will stay in memory for 100 ignition cycles.

Always perform the HVAC PRE-DIAGNOSTIC TROUBLESHOOTING procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

Scheme 33

Scheme 34

Scheme 35

1. CHECK IF DTC IS ACTIVE Ignition on, engine not running. With the scan tool, read HVAC DTCs. Is this DTC active? Yes Go To 2 . No Go To 7 .
2. CHECK IF THE IN-CAR TEMPERATURE SENSOR IS PROPERLY CONNECTED Turn the ignition off to the lock position. Check the connector to the In-Car Temperature Sensor for proper connection and the terminals for damage or corrosion. Is the In-Car Temperature Sensor connector properly connected and terminals undamaged or corroded? Yes Go To 3 . No Repair connector and terminals as necessary. Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) .
3. CHECK THE (C36) IN-CAR TEMPERATURE SENSOR SIGNAL CIRCUIT FOR A SHORT TO VOLTAGE Turn the ignition off to the lock position. Disconnect the A/C Heater Control C1 harness connector. Disconnect the In-Car Temperature Sensor harness connector. Ignition on, engine not running. Measure the voltage of the (C36) In-Car Temperature Sensor Signal circuit. Is there any voltage present? Yes Repair the In-Car Temperature Sensor Signal circuit for a short to voltage. Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Go To 4 .
4. CHECK THE (C36) IN-CAR TEMPERATURE SENSOR SIGNAL CIRCUIT FOR AN OPEN Turn the ignition off to the lock position. Measure the resistance of the (C36) In-Car Temperature Sensor Signal circuit between the A/C Heater Control C1 harness connector and the In-Car Temperature Sensor harness connector. Is the resistance above 1.0 Ohm? Yes Repair the In-Car Temperature Sensor Signal circuit for an open. Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Go To 5 .
5. CHECK THE (C121) SENSOR GROUND CIRCUIT FOR AN OPEN Measure the resistance of the (C121) Sensor Ground circuit between the A/C Heater Control C1 harness connector and the In-Car Temperature Sensor harness connector. Is the resistance above 1.0 Ohm? Yes Repair the (C121) Sensor Ground circuit for an open. Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Go To 6 .
6. CHECK THE IN-CAR TEMPERATURE SENSOR Remove the In-Car Temperature Sensor. Refer to «SENSOR, TEMPERATURE, IN-CAR, REMOVAL»(ref-489295-S13327088872012072600000) . Measure the resistance of the In-Car Temperature Sensor and compare the resistance to the In-Car Temperature Sensor Resistance Chart in the Service Information. Refer to «SENSOR, TEMPERATURE, IN-CAR, DIAGNOSIS AND TESTING»(ref-489295-S05467599542012072600000) . Is the In-Car Temperature Sensor within the specified limits of In-Car Temperature Sensor Resistance Chart? Yes Replace and program the A/C Heater Control in accordance with the Service Information. Refer to «CONTROL, A/C AND HEATER, REMOVAL»(ref-489295-S06600135322012072600000) . Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Replace the In-Car Temperature Sensor in accordance to the Service Information. Refer to «SENSOR, TEMPERATURE, IN-CAR, INSTALLATION»(ref-489295-S15468350932012072600000) . Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) .
7. CHECK THE WIRING AND CONNECTORS The conditions necessary to set the DTC are not present at this time. With the scan tool, check the Environmental Data to help identify the conditions in which the DTC was set. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension. Wiggle the wiring and connectors while checking for shorted and open circuits. Were there any problems found? Yes Repair as necessary. Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Test complete.

Continuously with the ignition on.

If the A/C Heater Control detects on the Sun Sensor Signal 1 circuit an input voltage less than 0.5 volt for two seconds or more. This DTC has a de-maturing time of 20 ms. If the DTCs status changes from active to stored, the DTC will stay in memory for 100 ignition cycles.

Always perform the HVAC PRE-DIAGNOSTIC TROUBLESHOOTING procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

Scheme 36

1. CHECK IF THE DTC IS ACTIVE Ignition on, engine not running. With the scan tool, read HVAC DTCs. Is this DTC active? Yes Go To 2 . No Go To 4 .
2. CHECK (G39) SUN SENSOR SIGNAL 1 CIRCUIT FOR A SHORT TO GROUND Turn the ignition off to the lock position. Disconnect the A/C Heater Control C1 harness connector. Measure the resistance between ground and the (G39) Sun Sensor Signal 1 circuit. Is the resistance below 100k Ohms? Yes Repair the (G39) Sun Sensor Signal 1 circuit for a short to ground. Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Go To 3 .
3. CHECK THE SUN SENSOR AND A/C HEATER CONTROL Replace the Sun Sensor in accordance with the Service Information. Refer to «SENSOR, SUN, REMOVAL»(ref-489295-S33928807472012072600000) . Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . Did this DTC reset while performing the HVAC Verification Test? Yes Replace and program the A/C Heater Control in accordance with the Service Information. Refer to «CONTROL, A/C AND HEATER, REMOVAL»(ref-489295-S06600135322012072600000) . Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Test complete.
4. CHECK THE WIRING AND CONNECTORS The conditions necessary to set the DTC are not present at this time. Using the scan tool, check the Environmental Data to help identify the conditions in which the DTC was set. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension. Wiggle the wiring and connectors while checking for shorted and open circuits. Were there any problems found? Yes Repair as necessary. Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Test complete.

With the ignition on.

If the A/C Heater Control detects on the Sun Sensor 1 Signal circuit input voltage is greater than 4.8 volts for the period of two seconds or more. This DTC has a de-maturing time of 20 ms. If the DTCs status changes from active to stored, the DTC will stay in memory for 100 ignition cycles.

Always perform the HVAC PRE-DIAGNOSTIC TROUBLESHOOTING procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

Scheme 37

Scheme 38

Scheme 39

1. CHECK IF DTC IS ACTIVE Ignition on, engine not running. With the scan tool, read HVAC DTCs. Is this DTC active? Yes Go To 2 . No Go To 6 .
2. CHECK THE (G39) SUN SENSOR 1 SIGNAL CIRCUIT FOR A SHORT TO VOLTAGE Turn the ignition off to the lock position. Disconnect the Sun Sensor harness connector. Disconnect the A/C Heater Control harness connector. NOTE: Check connectors - Clean/repair as necessary. Ignition on, engine not running. Check the voltage of the (G39) Sun Sensor 1 Signal circuit. Is there any voltage present? Yes Repair the (G39) Sun Sensor 1 Signal circuit for an short to voltage. Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Go To 3 .
3. CHECK THE (G39) SUN SENSOR 1 SIGNAL CIRCUIT FOR AN OPEN Turn the ignition off to the lock position. Measure the resistance of the (G39) Sun Sensor 1 Signal circuit between the A/C Heater Control harness connector and the Sun Sensor harness connector. Is the resistance above 5.0 Ohms? Yes Repair the (G39) Sun Sensor 1 Signal circuit for an open. Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Go To 4 .
4. CHECK THE (C121) SENSOR GROUND CIRCUIT FOR AN OPEN Measure the resistance of the (C121) Sensor Ground circuit between the A/C Heater Control C1 harness connector and the Sun Sensor harness connector. Is the resistance above 5.0 Ohms? Yes Repair the (C121) Sensor Ground circuit for an open. Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Go To 5 .
5. CHECK THE SUN SENSOR AND A/C HEATER CONTROL Turn the ignition off to the lock position. Replace the Sun Sensor in accordance with the Service Information. Refer to «SENSOR, SUN, REMOVAL»(ref-489295-S33928807472012072600000) . Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . Did the DTC reset during or after the HVAC Verification Test? Yes Replace and program the A/C Heater Control in accordance with the Service Information. Refer to «CONTROL, A/C AND HEATER, REMOVAL»(ref-489295-S06600135322012072600000) . Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Test complete.
6. CHECK THE WIRING AND CONNECTORS The conditions necessary to set the DTC are not present at this time. Using the scan tool, check the Environmental Data to help identify the conditions in which the DTC was set. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension. Wiggle the wiring and connectors while checking for shorted and open circuits. Were there any problems found? Yes Repair as necessary. Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Test complete.

Continuously with the ignition on.

If the A/C Heater Control detects on the Sun Sensor Signal 1 circuit an input voltage less than 1.0 volt and greater than 0.5 volt for period of two seconds or more. This DTC has a de-maturing time of 20 ms. If the DTCs status changes from active to stored, the DTC will stay in memory for 100 ignition cycles.

Always perform the HVAC PRE-DIAGNOSTIC TROUBLESHOOTING procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

Continuously with the ignition on.

If the A/C Heater Control detects on the Sun Sensor 2 Signal circuit an input voltage less than 0.5 volt for two seconds or more. This DTC has a de-maturing time of 20 ms. If the DTCs status changes from active to stored, the DTC will stay in memory for 100 ignition cycles.

Always perform the HVAC PRE-DIAGNOSTIC TROUBLESHOOTING procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

Scheme 40

1. CHECK IF THE DTC IS ACTIVE Ignition on, engine not running. With the scan tool, read HVAC DTCs. Is this DTC active? Yes Go To 2 . No Go To 4 .
2. CHECK (G139) SUN SENSOR 2 SIGNAL CIRCUIT FOR A SHORT TO GROUND Turn the ignition off to the lock position. Disconnect the A/C Heater Control C1 harness connector. Disconnect the Sun Sensor harness connector. Measure the resistance between ground and the (G139) Sun Sensor 2 Signal circuit. Is the resistance below 100k Ohms? Yes Repair the (G139) Sun Sensor 2 Signal circuit for a short to ground. Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Go To 3 .
3. CHECK THE SUN SENSOR AND A/C HEATER CONTROL Replace the Sun Sensor in accordance with the Service Information. Refer to «SENSOR, SUN, REMOVAL»(ref-489295-S33928807472012072600000) . Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . Did this DTC reset while performing the HVAC Verification Test? Yes Replace and program the A/C Heater Control in accordance with the Service Information. Refer to «CONTROL, A/C AND HEATER, REMOVAL»(ref-489295-S06600135322012072600000) . Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Test complete.
4. CHECK THE WIRING AND CONNECTORS The conditions necessary to set the DTC are not present at this time. Using the scan tool, check the Environmental Data to help identify the conditions in which the DTC was set. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension. Wiggle the wiring and connectors while checking for shorted and open circuits. Were there any problems found? Yes Repair as necessary. Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Test complete.

Continuously with the ignition on.

If the A/C Heater Control detects on the Sun Sensor 2 Signal circuit an input voltage greater than 4.8 volts for the period of two seconds or more. This DTC has a de-maturing time of 20 ms. If the DTCs status changes from active to stored, the DTC will stay in memory for 100 ignition cycles.

Always perform the HVAC PRE-DIAGNOSTIC TROUBLESHOOTING procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

Scheme 41

Scheme 42

1. CHECK IF DTC IS ACTIVE Ignition on, engine not running. With the scan tool, read HVAC DTCs. Is this DTC active? Yes Go To 2 . No Go To 6 .
2. CHECK THE (G139) SUN SENSOR 2 SIGNAL CIRCUIT FOR A SHORT TO VOLTAGE Turn the ignition off to the lock position. Disconnect the Sun Sensor harness connector. Disconnect the A/C Heater Control C1 harness connector. NOTE: Check connectors - Clean/repair as necessary. Ignition on, engine not running. Check the voltage of the (G139) Sun Sensor 2 Signal circuit. Is there any voltage present? Yes Repair the (G139) Sun Sensor 2 Signal circuit for an short to voltage. Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Go To 3 .
3. CHECK THE (G139) SUN SENSOR 2 SIGNAL CIRCUIT FOR AN OPEN Turn the ignition off to the lock position. Measure the resistance of the (G139) Sun Sensor 2 Signal circuit between the A/C Heater Control harness connector and the Sun Sensor harness connector. Is the resistance above 5.0 Ohms? Yes Repair the (G139) Sun Sensor 2 Signal circuit for an open. Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Go To 4 .
4. CHECK THE (C121) SENSOR GROUND CIRCUIT FOR AN OPEN Measure the resistance of the (C121) Sensor Ground circuit between the A/C Heater Control C1 harness connector and the Sun Sensor harness connector. Is the resistance above 5.0 Ohms? Yes Repair the (C121) Sensor Ground circuit for an open. Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Go To 5 .
5. CHECK THE SUN SENSOR AND A/C HEATER CONTROL Turn the ignition off to the lock position. Replace the Sun Sensor in accordance with the Service Information. Refer to «SENSOR, SUN, REMOVAL»(ref-489295-S33928807472012072600000) . Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . Did the DTC reset during or after the HVAC Verification Test? Yes Replace and program the A/C Heater Control in accordance with the Service Information. Refer to «CONTROL, A/C AND HEATER, REMOVAL»(ref-489295-S06600135322012072600000) . Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Test complete.
6. CHECK THE WIRING AND CONNECTORS The conditions necessary to set the DTC are not present at this time. Using the scan tool, check the Environmental Data to help identify the conditions in which the DTC was set. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension. Wiggle the wiring and connectors while checking for shorted and open circuits. Were there any problems found? Yes Repair as necessary. Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Test complete.

Continuously with the ignition on.

If the A/C Heater Control detects on the Sun Sensor Signal 2 circuit an input voltage less than 1.0 volt and greater than 0.5 volt for period of two seconds or more. This DTC has a de-maturing time of 20 ms. If the DTCs status changes from active to stored, the DTC will stay in memory for 100 ignition cycles.

Always perform the HVAC PRE-DIAGNOSTIC TROUBLESHOOTING procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

B160F-11-TWILIGHT/AMBIENT LIGHT SENSOR INPUT - CIRCUIT SHORT TO GROUND

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

Continuously with the ignition on.

If the A/C Heater Control detects on the (L24) Auto Headlamps Signal circuit an input voltage less than 0.25 volt for two seconds or more. This DTC has a de-maturing time of 20 ms. If the DTCs status changes from active to stored, the DTC will stay in memory for 100 ignition cycles.

Always perform the HVAC PRE-DIAGNOSTIC TROUBLESHOOTING procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

Scheme 43

1. CHECK IF THE DTC IS ACTIVE Ignition on, engine not running. With the scan tool, read HVAC DTCs. Is this DTC active? Yes Go To 2 . No Go To 4 .
2. CHECK (L24) AUTO HEADLAMPS SIGNAL CIRCUIT FOR A SHORT TO GROUND Turn the ignition off to the lock position. Disconnect the A/C Heater Control C1 harness connector. Disconnect the Sun Sensor harness connector. Measure the resistance between ground and the (L24) Auto Headlamps Signal circuit. Is the resistance below 100k Ohms? Yes Repair the (L24) Auto Headlamps Signal circuit for a short to ground. Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Go To 3 .
3. CHECK THE A/C HEATER CONTROL Replace the Sun Sensor in accordance with the Service Information. Refer to «SENSOR, SUN, REMOVAL»(ref-489295-S33928807472012072600000) . Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . Did this DTC reset while performing the HVAC Verification Test? Yes Replace and program the A/C Heater Control in accordance with the Service Information. Refer to «CONTROL, A/C AND HEATER, REMOVAL»(ref-489295-S06600135322012072600000) . Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Test complete.
4. CHECK THE WIRING AND CONNECTORS The conditions necessary to set the DTC are not present at this time. With the scan tool, check the Environmental Data to help identify the conditions in which the DTC was set. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension. Wiggle the wiring and connectors while checking for shorted and open circuits. Were there any problems found? Yes Repair as necessary. Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Test complete.

B160F-12-TWILIGHT/AMBIENT LIGHT SENSOR INPUT - CIRCUIT SHORT TO BATTERY

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

With the ignition on.

If the Twilight or Ambient Light Sensor input voltage is greater than 4.83 volts for period of 1.2 seconds.

Always perform the HVAC PRE-DIAGNOSTIC TROUBLESHOOTING procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

Scheme 44

Scheme 45

1. CHECK IF THE DTC IS ACTIVE Ignition on, engine not running. With the scan tool, read HVAC DTCs. Is this DTC active? Yes Go To 2 . No Go To 6 .
2. CHECK THE (L24) AUTO HEADLAMPS SIGNAL CIRCUIT FOR A SHORT TO VOLTAGE Turn the ignition off. Disconnect the A/C Heater Control C1 harness connector. Ignition on, engine not running. Measure the voltage of the (L24) Auto Headlamps Signal circuit. Is there any voltage present? Yes Repair the (L24) Auto Headlamps Signal circuit for a short to voltage. Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Go To 3 .
3. CHECK THE (L24) AUTO HEADLAMPS SIGNAL CIRCUIT FOR AN OPEN Turn the ignition off to the lock position. Disconnect the Sun Sensor harness connector. Measure the resistance of the (L24) Auto Headlamps Signal circuit between the A/C Heater Control C1 harness connector and the Sun Sensor harness connector. Is the resistance below 5.0 Ohms? Yes Go To 4 . No Repair the (L24) Auto Headlamps Signal circuit for an open. Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) .
4. CHECK THE (C121) SENSOR GROUND CIRCUIT FOR AN OPEN Measure the resistance of the (C121) Sensor Ground circuit between the A/C Heater Control C1 harness connector and the Sun Sensor harness connector. Is the resistance below 5.0 Ohms? Yes Go To 5 . No Repair the (C121) Sensor Ground circuit for an open. Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) .
5. CHECK THE SUN SENSOR AND A/C HEATER CONTROL Replace the Sun Sensor in accordance with the Service Information. Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . Did this DTC reset while performing the HVAC Verification Test? Yes Replace and program the A/C Heater Control in accordance with the Service Information. Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Test complete.
6. CHECK THE WIRING AND CONNECTORS The conditions necessary to set the DTC are not present at this time. Using the scan tool, check the Environmental Data to help identify the conditions in which the DTC was set. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension. Wiggle the wiring and connectors while checking for shorted and open circuits. Were there any problems found? Yes Repair as necessary. Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Test complete.

Continuously with the ignition on.

If the A/C Heater Control detects on the Auto Headlamps Signal circuit an input voltage less than 1.05 volts and greater than 0.25 volt for period of two seconds or more. This DTC has a de-maturing time of 20 ms. If the DTCs status changes from active to stored, the DTC will stay in memory for 100 ignition cycles.

Always perform the HVAC PRE-DIAGNOSTIC TROUBLESHOOTING procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

Continuously with the ignition on.

If the controller system voltage or ignition voltage broadcast over the BUS is lower than monitored controller voltage the for period of 60 seconds.

Always perform the HVAC PRE-DIAGNOSTIC TROUBLESHOOTING procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

B210B-85-SYSTEM VOLTAGE HIGH - SIGNAL ABOVE ALLOWABLE RANGE

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

Continuously with the ignition on.

If the controller system voltage or ignition voltage broadcast over the BUS is higher than monitored controller voltage the for period of 60 seconds.

Always perform the HVAC PRE-DIAGNOSTIC TROUBLESHOOTING procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

B210D-84-BATTERY VOLTAGE LOW - SIGNAL BELOW ALLOWABLE RANGE

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

With the ignition on.

If the controller battery voltage is less than or equal to 10.0 volts for period of five seconds.

Always perform the HVAC PRE-DIAGNOSTIC TROUBLESHOOTING procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

Scheme 46

Scheme 47

Scheme 48

1. CHECK FOR CHARGING SYSTEM DTCS Using the scan tool, read PCM DTCs. Are there any charging system DTCs present in the Powertrain Control Module (PCM)? Yes Refer to «3.6L - DIAGNOSTIC CODE INDEX»(ref-489372) or «5.7L & 6.4L - DIAGNOSTIC CODE INDEX»(ref-489379) and perform the appropriate diagnostic procedure . No Go To 2 .
2. CHECK FOR TOTALLY INTEGRATED POWER MODULE DTCS Using the scan tool, read TIPM DTCs. Are there any TIPM DTCS present? Yes Refer to «TIPM - DIAGNOSIS AND TESTING»(ref-489354-S02400701022012072600000) and perform the appropriate diagnostic procedure. No Go To 3 .
3. CHECK IF THE DTC IS ACTIVE Using the scan tool, read HVAC DTCs. Is this DTC active? Yes Go To 4 . No Go To 7 .
4. CHECK THE (F929) FUSED IGNITION SWITCH OUTPUT CIRCUIT FOR AN OPEN Ignition on, engine not running. While back probing, measure the voltage of the (F929) Fused Ignition Switch Output circuit in the A/C Heater Control C1 harness connector. Is the voltage 10.0 volts or below? Yes Repair the (F929) Fused Ignition Switch Output circuit for an open or high resistance. NOTE: If the fuse is open, make sure to check for a short to ground on the (F929) Fused Ignition Switch Output circuit. Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Go To 5 .
5. CHECK THE (A23) FUSED B(+) CIRCUIT FOR AN OPEN Ignition on, engine not running. While back probing, measure the voltage of the (A23) Fused B (+) circuit in the A/C Heater Control C1 harness connector. Is the voltage 10.0 volts or below? Yes Repair the (A23) Fused B (+) circuit for an open or high resistance. NOTE: Make sure to check if the IOD fuse is installed. If the fuse is open, make sure to check for a short to ground. Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Go To 6 .
6. CHECK THE (Z909) GROUND CIRCUIT FOR AN OPEN Turn the ignition off to the lock position. Disconnect the A/C Heater Control C1 harness connector. Using a 12-volt test light connected to 12-volts, check the (Z909) Ground 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 Replace and program the A/C Heater Control in accordance with the Service Information. Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Repair the (Z909) Ground circuit for an open. Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) .
7. CHECK THE WIRING AND CONNECTORS The conditions necessary to set the DTC are not present at this time. Using the scan tool, check the Environmental Data to help identify the conditions in which the DTC was set. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension. Wiggle the wiring and connectors while checking for shorted and open circuits. Were there any problems found? Yes Repair as necessary. Perform the HVAC VERIFICATION TEST. Refer to «HVAC VERIFICATION TEST»(ref-489351-S40153783122012072600000) . No Test complete.

B210E-85-BATTERY VOLTAGE HIGH - SIGNAL ABOVE ALLOWABLE RANGE

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

With the ignition on.

If the controller battery voltage is higher than 16.0 volts for period of one second.

Always perform the HVAC PRE-DIAGNOSTIC TROUBLESHOOTING procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

With the ignition on.

If the A/C Heater Control has an internal fault. This Diagnostic Trouble Code (DTC) has a maturing time of five seconds and a de-maturing time of 10 seconds. If the DTCs status changes from active to stored it will stay in memory for 100 ignition cycles.

Always perform the HVAC PRE-DIAGNOSTIC TROUBLESHOOTING procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

B222A-00-VEHICLE LINE MISMATCH

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .

With the ignition on.

If the stored configuration does not match the configuration stored in the controller.

Always perform the HVAC PRE-DIAGNOSTIC TROUBLESHOOTING procedure before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

Continuously when the ignition is on.

Battery voltage between 10 and 16 volts.

Ignition Off Draw (IOD) fuse installed.

The controller detects a short to ground on the CAN Interior Bus (125K) (+) circuit or a short to voltage on the CAN Interior Bus (125K) (-) circuit.

Continuously when the ignition is on.

Battery voltage between 10 and 16 volts.

Ignition Off Draw (IOD) fuse installed.

Totally Integrated Power Module (TIPM) is configured correctly.

Bus messages not received from the Integrated Power Module (TIPM) for approximately two to five seconds.

Continuously when the ignition is on.

Battery voltage between 10 and 16 volts.

Ignition Off Draw (IOD) fuse installed.

Totally Integrated Power Module (TIPM) is configured correctly.

Bus messages not received from the Instrument Cluster (CCN) for approximately two to five seconds.