Heating & Air Conditioning - Electrical Diagnostics: Other Jeep Compass I рестайлинг 2

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 two minutes. 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 STANDARD PROCEDURE .

With the ignition on.

If the Recirculation mode switch is stuck in a On position for more than two minutes. 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 STANDARD PROCEDURE .

With the ignition on.

If the Electric Back light (EBL) Electronic Rear Defrost switch is stuck in an On position for more than two minutes. 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 STANDARD 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 STANDARD PROCEDURE .

Scheme 4

Scheme 5

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 «STANDARD PROCEDURE»(ref-612755-S02530953942014043000000) . 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 «STANDARD PROCEDURE»(ref-612755-S02530953942014043000000) . No Go To 4
4. CHECK THE EVAPORATOR TEMPERATURE SENSOR Replace the Evaporator Temperature Sensor in Accordance with the Service Information. 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. Perform the HVAC VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-612755-S02530953942014043000000) . No Test complete. Perform the HVAC VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-612755-S02530953942014043000000) .
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 «STANDARD PROCEDURE»(ref-612755-S02530953942014043000000) . 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 STANDARD PROCEDURE .

Scheme 6

Scheme 7

Scheme 8

Scheme 9

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. Perform the HVAC VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-612755-S02530953942014043000000) . 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 «STANDARD PROCEDURE»(ref-612755-S02530953942014043000000) . 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 «STANDARD PROCEDURE»(ref-612755-S02530953942014043000000) . 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 «STANDARD PROCEDURE»(ref-612755-S02530953942014043000000) . No Go To 6
6. CHECK THE EVAPORATOR TEMPERATURE SENSOR Replace the Evaporator Temperature Sensor in Accordance with the Service Information. 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. Perform the HVAC VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-612755-S02530953942014043000000) . No Test complete. Perform the HVAC VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-612755-S02530953942014043000000) .
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 «STANDARD PROCEDURE»(ref-612755-S02530953942014043000000) . No Test complete.

Scheme 10

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

With the ignition on.

When the Infrared (IR) Temperature Sensor Pulse Width Modulated (PWM) signal to the A/C Heater Control is less than a predetermined value for a continuous period of 1200 msec. If the A/C Heater Control detects a valid PWM signal, the 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 STANDARD PROCEDURE .

Scheme 11

Scheme 12

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 THE (F929) FUSED IGNITION SWITCH OUTPUT (RUN) CIRCUIT FOR AN OPEN Turn the ignition off to the lock position. Disconnect the Infrared Sensor harness connector. Ignition on, engine not running. With a test light connected to ground, check the (F929) Fused Ignition Switch Output (Run) 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 Repair the (F929) Fused Ignition Switch Output (Run) circuit for an open. Perform the HVAC VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-612755-S02530953942014043000000) .
3. CHECK THE (C83) IR SENSOR SIGNAL CIRCUIT FOR A SHORT TO GROUND Turn the ignition off to the lock position. Disconnect the A/C Heater Control harness connector. Measure the resistance between ground and the (C83) IR Sensor Signal circuit. Is the resistance below 100k Ohms? Yes Repair the (C83) IR Sensor Signal circuit for a short to ground. Perform the HVAC VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-612755-S02530953942014043000000) . No Go To 4
4. CHECK THE INFRARED SENSOR Replace the Infrared Sensor in accordance with the Service Information. Perform the HVAC VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-612755-S02530953942014043000000) . Did the DTC reset 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 «STANDARD PROCEDURE»(ref-612755-S02530953942014043000000) . No Test complete.
5. CHECK THE WIRING AND CONNECTORS The conditions necessary to set the DTC are not present at this time. Using the schematics as a guide, inspect the wiring and connectors specific to this circuit. 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. With the scan tool, check the Environmental Data to help identify the conditions in which the DTC was set. Were there any problems found? Yes Repair as necessary. Perform the HVAC VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-612755-S02530953942014043000000) . No Test complete.

With the ignition on.

When the Infrared (IR) Temperature Sensor Pulse Width Modulated (PWM) signal to the A/C Heater Control is greater than a predetermined value for a continuous period of 1200 msec. If the A/C Heater Control detects a valid PWM signal, the 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 STANDARD PROCEDURE .

Scheme 13

Scheme 14

Scheme 15

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 (C83) IR SENSOR SIGNAL CIRCUIT FOR A SHORT TO VOLTAGE Turn the ignition off to the lock position. Disconnect the A/C Heater Control harness connector. Disconnect the Infrared Sensor harness connector. Ignition on, engine not running. Measure the voltage of the (C83) IR Sensor Signal circuit. Is there any voltage present? Yes Repair the (C83) IR Sensor Signal circuit for a short to voltage. Perform the HVAC VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-612755-S02530953942014043000000) . No Go To 3
3. CHECK THE (C830) IR SENSOR RETURN CIRCUIT FOR A SHORT TO VOLTAGE Measure the voltage of the (C830) IR Sensor Return circuit. Is there any voltage present? Yes Repair the (C830) IR Sensor Return circuit for a short to voltage. Perform the HVAC VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-612755-S02530953942014043000000) . No Go To 4
4. CHECK THE (C830) IR SENSOR RETURN CIRCUIT FOR AN OPEN Turn the ignition off to the lock position. Measure the resistance of the (C830) IR Sensor Return circuit between the A/C Heater Control harness connector and the Infrared Sensor harness connector. Is the resistance above 5.0 Ohms? Yes Repair the (C830) IR Sensor Return circuit for an open. Perform the HVAC VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-612755-S02530953942014043000000) . No Go To 5
5. CHECK THE INFRARED SENSOR Replace the Infrared Sensor in accordance with the Service Information. Perform the HVAC VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-612755-S02530953942014043000000) . Did the DTC reset 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 «STANDARD PROCEDURE»(ref-612755-S02530953942014043000000) . No Test complete.
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 «STANDARD PROCEDURE»(ref-612755-S02530953942014043000000) . No Test complete.

With the ignition on.

When the Infrared (IR) Temperature Sensor Pulse Width Modulated (PWM) signal to the A/C Heater Control is greater than 84.3% for a continuous period of 123 msec. or more. If the A/C Heater Control detects a valid PWM signal, the 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 STANDARD PROCEDURE .

With the ignition on.

When the Infrared (IR) Temperature Sensor Pulse Width Modulated (PWM) signal to the A/C Heater Control is out of range for a continuous period of 1200 msec. or more. If the A/C Heater Control detects a valid PWM signal, the 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 STANDARD PROCEDURE .

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 STANDARD PROCEDURE .

Scheme 16

Scheme 17

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 «STANDARD PROCEDURE»(ref-612755-S02530953942014043000000) . 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 «STANDARD PROCEDURE»(ref-612755-S02530953942014043000000) . No Go To 5
5. CHECK THE RECIRCULATION DOOR ACTUATOR Replace the Recirculation Door Actuator in accordance with the Service Information. 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. Perform the HVAC VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-612755-S02530953942014043000000) . No Test complete. Perform the HVAC VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-612755-S02530953942014043000000) .
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 «STANDARD PROCEDURE»(ref-612755-S02530953942014043000000) . 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 STANDARD PROCEDURE .

Scheme 18

Scheme 19

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 «STANDARD PROCEDURE»(ref-612755-S02530953942014043000000) . 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 «STANDARD PROCEDURE»(ref-612755-S02530953942014043000000) . 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. 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. Perform the HVAC VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-612755-S02530953942014043000000) . No Test complete. Perform the HVAC VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-612755-S02530953942014043000000) .
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 «STANDARD PROCEDURE»(ref-612755-S02530953942014043000000) . 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 STANDARD PROCEDURE .

Scheme 20

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 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. Perform the HVAC VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-612755-S02530953942014043000000) . 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 «STANDARD PROCEDURE»(ref-612755-S02530953942014043000000) . 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 «STANDARD PROCEDURE»(ref-612755-S02530953942014043000000) . No Replace the Recirculation Door Actuator in accordance with the Service Information. Perform the HVAC VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-612755-S02530953942014043000000) .
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 «STANDARD PROCEDURE»(ref-612755-S02530953942014043000000) . 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 STANDARD 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 STANDARD 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 STANDARD PROCEDURE .

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 STANDARD 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 STANDARD PROCEDURE .

Scheme 23

Scheme 24

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 «STANDARD PROCEDURE»(ref-612755-S02530953942014043000000) . 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 «STANDARD PROCEDURE»(ref-612755-S02530953942014043000000) . No Go To 5
5. CHECK THE MODE DOOR ACTUATOR Replace the Mode Door Actuator in accordance with the Service Information. 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. Perform the HVAC VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-612755-S02530953942014043000000) . No Test complete. Perform the HVAC VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-612755-S02530953942014043000000) .
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 «STANDARD PROCEDURE»(ref-612755-S02530953942014043000000) . 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 STANDARD PROCEDURE .

Scheme 25

Scheme 26

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 «STANDARD PROCEDURE»(ref-612755-S02530953942014043000000) . 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 «STANDARD PROCEDURE»(ref-612755-S02530953942014043000000) . 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. 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. Perform the HVAC VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-612755-S02530953942014043000000) . No Test complete. Perform the HVAC VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-612755-S02530953942014043000000) .
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 «STANDARD PROCEDURE»(ref-612755-S02530953942014043000000) . 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 STANDARD PROCEDURE .

Scheme 27

Scheme 28

Scheme 29

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. Perform the HVAC VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-612755-S02530953942014043000000) . 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 «STANDARD PROCEDURE»(ref-612755-S02530953942014043000000) . 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 «STANDARD PROCEDURE»(ref-612755-S02530953942014043000000) . No Replace the Mode Door Actuator in accordance with the Service Information. Perform the HVAC VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-612755-S02530953942014043000000) .
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 «STANDARD PROCEDURE»(ref-612755-S02530953942014043000000) . 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 STANDARD 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 STANDARD 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 STANDARD 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 STANDARD PROCEDURE .

Scheme 30

Scheme 31

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 «STANDARD PROCEDURE»(ref-612755-S02530953942014043000000) . 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 «STANDARD PROCEDURE»(ref-612755-S02530953942014043000000) . No Go To 5
5. CHECK THE BLEND DOOR ACTUATOR Replace the Blend Door Actuator in accordance with the Service Information. 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. Perform the HVAC VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-612755-S02530953942014043000000) . No Test complete. Perform the HVAC VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-612755-S02530953942014043000000) .
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 «STANDARD PROCEDURE»(ref-612755-S02530953942014043000000) . 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 STANDARD PROCEDURE .

Scheme 32

Scheme 33

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 «STANDARD PROCEDURE»(ref-612755-S02530953942014043000000) . 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 «STANDARD PROCEDURE»(ref-612755-S02530953942014043000000) . No Go To 5
5. CHECK THE BLEND DOOR ACTUATOR Replace the Blend Door Actuator in accordance with the Service Information. 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. Perform the HVAC VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-612755-S02530953942014043000000) . No Test complete. Perform the HVAC VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-612755-S02530953942014043000000) .
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 «STANDARD PROCEDURE»(ref-612755-S02530953942014043000000) . 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 STANDARD PROCEDURE .

Scheme 34

Scheme 35

Scheme 36

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. Perform the HVAC VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-612755-S02530953942014043000000) . 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 «STANDARD PROCEDURE»(ref-612755-S02530953942014043000000) . 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 «STANDARD PROCEDURE»(ref-612755-S02530953942014043000000) . No Replace the Blend Door Actuator in accordance with the Service Information. Perform the HVAC VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-612755-S02530953942014043000000) .
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 «STANDARD PROCEDURE»(ref-612755-S02530953942014043000000) . 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 STANDARD 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 STANDARD 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 STANDARD 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 STANDARD PROCEDURE .

B210A-84-SYSTEM VOLTAGE LOW - SIGNAL BELOW 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 lower than monitored controller voltage the for period of 60 seconds.

Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to STANDARD 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 STANDARD PROCEDURE .

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 STANDARD PROCEDURE .

Scheme 37

Scheme 38

Scheme 39

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 «DTC INDEX»(ref-612788) 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 «DIAGNOSIS AND TESTING»(ref-612759-S36373688252014043000000) 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 «STANDARD PROCEDURE»(ref-612755-S02530953942014043000000) . No Go To 5
5. CHECK THE (A417) FUSED B(+) CIRCUIT FOR AN OPEN Ignition on, engine not running. While back probing, measure the voltage of the (A417) Fused B (+) circuit in the A/C Heater Control C1 harness connector. Is the voltage 10.0 volts or below? Yes Repair the (A417) 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 «STANDARD PROCEDURE»(ref-612755-S02530953942014043000000) . No Go To 6
6. CHECK THE (Z903) 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 (Z903) 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 «STANDARD PROCEDURE»(ref-612755-S02530953942014043000000) . No Repair the (Z903) Ground circuit for an open. Perform the HVAC VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-612755-S02530953942014043000000) .
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 «STANDARD PROCEDURE»(ref-612755-S02530953942014043000000) . No Test complete.

Scheme 40

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 STANDARD 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 STANDARD 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 STANDARD PROCEDURE .

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.

The A/C Heater Control detects a short to ground or a short to voltage on the CAN Bus circuits.

Continuously when the ignition is on.

12-volt 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 Totally Integrated Power Module (TIPM) for three seconds.

With the ignition 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 Cluster/CCN for approximately two to five seconds.