Monitor Conditions
- When Monitored: With the ignition on.
Set Conditions
- Set Condition: The Compass Temperature Module detects a short to ground condition on the (C83) Infrared Sensor Signal circuit.
Possible Causes
POSSIBLE CAUSES
- (C83) INFRARED SENSOR SIGNAL CIRCUIT SHORTED TO GROUND
- INFRARED TEMPERATURE SENSOR
- COMPASS TEMPERATURE MODULE
Scheme 74
Scheme 75
Scheme 76
- TEST FOR AN INTERMITTENT CONDITION Turn the ignition on. With the scan tool, record and erase DTCs. Turn the ignition off, wait 10 seconds then turn the ignition on. With the scan tool, read DTCs. Does the scan tool display: B1034 - INFRARED TEMPERATURE SENSOR INPUT CIRCUIT LOW? Yes : Go To 2 No : The condition that caused this code to set is not present at this time. Using the wiring diagram as a guide, inspect the wiring and connectors for an intermittent condition. Operate the system several times and recheck for active DTCs. Perform «BODY VERIFICATION TEST - VER 1»(ref-212762-S01756696562005122700000)
- CHECK FOR ACTIVE DTC B1034 - INFRARED TEMPERATURE SENSOR INPUT CIRCUIT LOW WITH INFRARED SENSOR DISCONNECTED Turn the ignition off. Disconnect the Infrared Temperature Sensor harness connector. Turn the ignition on. With the scan tool, read DTCs. Does the scan tool display B1034 - INFRARED TEMPERATURE SENSOR INPUT CIRCUIT LOW? YES : Go To 3 NO : Replace the Infrared Temperature Sensor in accordance with the Service Information. Perform «BODY VERIFICATION TEST - VER 1»(ref-212762-S01756696562005122700000) .
- CHECK (C83) INFRARED SENSOR SIGNAL CIRCUIT FOR A SHORT TO GROUND Turn the ignition off. Disconnect the Compass Temperature Module harness connector. Measure the resistance between the (C83) Infrared Sensor Signal circuit and ground. Is the resistance below 10K ohms? YES : Repair the (C83) Infrared Sensor Signal circuit for a short to ground. Perform «BODY VERIFICATION TEST - VER 1»(ref-212762-S01756696562005122700000) . NO : Replace the Compass Temperature Module in accordance with the Service Information. Perform «BODY VERIFICATION TEST - VER 1»(ref-212762-S01756696562005122700000) .
Scheme 77
For the Compass Temperature Module circuit diagram (Refer to SCHEMATICS AND DIAGRAMS ).
- When Monitored: With the ignition on.
- Set Condition: The Compass Temperature Module detects an open condition on the Infrared Sensor Signal circuit.
POSSIBLE CAUSES
- (C83) INFRARED SENSOR SIGNAL CIRCUIT SHORT TO VOLTAGE
- (Z957) INFRARED SENSOR GROUND CIRCUIT OPEN
- (C83) INFRARED SENSOR SIGNAL CIRCUIT OPEN
- INFRARED TEMPERATURE SENSOR
- COMPASS TEMPERATURE MODULE
Scheme 78
Scheme 79
Scheme 80
Scheme 81
Scheme 82
- TEST FOR AN INTERMITTENT CONDITION Turn the ignition on. With the scan tool, record and erase DTCs. Turn the ignition off, wait 10 seconds then turn the ignition on. With the scan tool, read DTCs. Does the scan tool display: B1035 - INFRARED TEMPERATURE SENSOR INPUT CIRCUIT HIGH? Yes : Go To 2 No : The condition that caused this code to set is not present at this time. Using the wiring diagram as a guide, inspect the wiring and connectors for an intermittent condition. Operate the system several times and recheck for active DTCs. Perform «BODY VERIFICATION TEST - VER 1»(ref-212762-S01756696562005122700000) .
- CHECK THE (C83) INFRARED SENSOR SIGNAL CIRCUIT FOR A SHORT TO VOLTAGE Disconnect the Compass Temperature Module harness connector. Disconnect the Infrared Temperature Sensor harness connector. Measure the voltage between the (C83) Infrared Sensor Signal circuit and ground. Is there any voltage present? YES : Repair the (C83) Infrared Sensor Signal circuit for a short to voltage. Perform «BODY VERIFICATION TEST - VER 1»(ref-212762-S01756696562005122700000) . NO : Go To 3
- CHECK FOR ACTIVE DTC B1035 - INFRARED TEMPERATURE SENSOR INPUT CIRCUIT HIGH, WITH JUMPER WIRE CONNECTED BETWEEN THE (C83) INFRARED SENSOR SIGNAL CIRCUIT AND THE (Z957) GROUND CIRCUIT Turn the ignition off. Connect a jumper wire between the (C83) Infrared Sensor Signal circuit and the (Z957) ground circuit. Turn the ignition on. With the scan tool, read DTCs. Does the scan tool display B1035 - INFRARED TEMPERATURE SENSOR INPUT CIRCUIT LOW? YES : Replace the Infrared Temperature Sensor in accordance with the Service Information. Perform «BODY VERIFICATION TEST - VER 1»(ref-212762-S01756696562005122700000) . NO : Go To 4
- CHECK THE (Z957) INFRARED SENSOR GROUND CIRCUIT FOR AN OPEN Measure the resistance of the (Z957) Infrared Sensor Ground circuit between the Infrared Temperature Sensor harness connector and ground. Is the resistance above 5.0 ohms? YES : Repair the (Z957) Infrared Sensor Ground circuit for an open. Perform «BODY VERIFICATION TEST - VER 1»(ref-212762-S01756696562005122700000) . NO : Go To 5
- CHECK THE (C83) INFRARED SENSOR SIGNAL CIRCUIT FOR AN OPEN Measure the resistance of the (C83) Infrared Sensor Signal circuit between the Compass Temperature Module harness connector and the Infrared Temperature Sensor harness connector. Is the resistance above 5.0 ohms? YES : Repair the (C83) Infrared Sensor Signal circuit for an open. Perform «BODY VERIFICATION TEST - VER 1»(ref-212762-S01756696562005122700000) . NO : Replace the Compass Temperature Module in accordance with the Service Information. Perform «BODY VERIFICATION TEST - VER 1»(ref-212762-S01756696562005122700000) .
- When Monitored: With the ignition on.
- Set Condition: The Compass Temperature Module detects an internal switch failure.
Possible Causes
- COMPASS TEMPERATURE MODULE
- When Monitored: With the ignition on.
- Set Condition: The Compass Temperature Module detects an internal switch failure.
- When Monitored: With the ignition on.
- Set Condition: The Compass Temperature Module detects an internal switch failure.
- When Monitored: With the ignition on.
- Set Condition: The Compass Temperature Module detects an internal failure.
Possible Causes
- COMPASS TEMPERATURE MODULE
Scheme 83
- VERIFY OPERATION OF THE COMPASS TEMPERATURE MODULE Turn the ignition on. With the scan tool, erase Compass Temperature Module DTCs. With the scan tool, activate the Compass Temperature Module self test. With the scan tool, read Compass Temperature Module DTCs. Does the scan tool display DTC B2217-EVIC/EOM/CMTC INTERNAL? YES : Replace the Compass Temperature Module in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-212762-S01756696562005122700000) . NO : Test complete.
B222D - ECU UNABLE TO CONFIGURE / CONFIGURATION NOT LEARNED
For the Compass Temperature Module circuit diagram (Refer to SCHEMATICS AND DIAGRAMS ).
- When Monitored: With the ignition on.
- Set Condition: The Compass Temperature Module does not receive the configuration information from the Front Control Module.
POSSIBLE CAUSES
- NO COMMUNICATION WITH FRONT CONTROL MODULE
- ACTIVE FCM DTCs
- COMPASS TEMPERATURE MODULE
Scheme 84
Scheme 85
Scheme 86
Scheme 87
- TEST FOR AN INTERMITTENT CONDITION Turn the ignition on. With the scan tool, record and erase any Compass Temperature Module DTCs. Turn the ignition off, wait 10 seconds then turn the ignition on. With the scan tool, read DTCs. Does the scan tool display: B222D - ECU UNABLE TO CONFIGURE / CONFIGURATION NOT LEARNED? Yes : Go To 2 No : The condition that caused this code to set is not present at this time. Using the wiring diagram as a guide, inspect the wiring and connectors for an intermittent condition. Operate the system several times and recheck for active DTCs. Perform «BODY VERIFICATION TEST - VER 1»(ref-212762-S01756696562005122700000) .
- CHECK COMPASS TEMPERATURE MODULE BUSSED INPUTS If equipped with Automatic Temperature Control, use the scan tool in Data Display and check the Automatic Temperature Control State in the Compass Temperature Module. Does the scan tool display "Automatic Temperature Control-ON" in the Compass Temperature Module Data Display? Yes : Replace the Compass Temperature Module in accordance to the Service Information. Perform «BODY VERIFICATION TEST - VER 1»(ref-212762-S01756696562005122700000) . No : Go To 3
- VERIFY COMMUNICATION WITH FRONT CONTROL MODULE With the scan tool in ECU VIEW, read active modules on the bus. Does the scan tool show the Front Control Module active on the bus? Yes : Go To 4 No : Refer to the Communication category in «ELECTRONIC CONTROL MODULES - ELECTRICAL DIAGNOSTICS»(ref-212762) for the related symptoms. Perform «BODY VERIFICATION TEST - VER 1»(ref-212762-S01756696562005122700000) .
- CHECK FRONT CONTROL MODULE FOR ACTIVE DTCs With the scan tool, erase FCM DTCs. Turn the ignition off. Wait approximately 10 seconds. Turn the ignition on. With the scan tool, read FCM DTCs. Are any active DTCs present? Yes : Refer to for problems related to the Front Control Module. Perform «BODY VERIFICATION TEST - VER 1»(ref-212762-S01756696562005122700000) . No : Replace the Front Control Module in accordance with the Service Information. Perform «BODY VERIFICATION TEST - VER 1»(ref-212762-S01756696562005122700000)
- When Monitored: With the ignition on.
- Set Condition: TBD
- When Monitored: Continuously
- Set Condition: Whenever the Can B Bus (+) or B Bus (-) circuit is open, shorted to voltage or shorted to ground, this code will set.
Possible Causes
- CAN B BUS DTCs IN FRONT CONTROL MODULE
- (D54) CAN B BUS (-) CIRCUIT OPEN
- (D55) CAN B BUS (+) CIRCUIT OPEN
- COMPASS TEMPERATURE MODULE
Scheme 88
Scheme 89
Scheme 90
- No : The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. Perform «BODY VERIFICATION TEST - VER 1»(ref-212762-S01756696562005122700000) .
- TEST FOR INTERMITTENT CONDITION Turn the ignition on. With the scan tool, record and erase DTCs Cycle the ignition from on to off 3 times. Turn the ignition on. With the scan tool, read DTCs. Does the scan tool display U0019-CAN B BUS CIRCUIT? Yes : Go To 2
- CHECK FRONT CONTROL MODULE DTCs With the scan tool, read Front Control Module DTCs Does the scan tool display any CAN B BUS DTCs - ACTIVE? Yes : Refer to the symptom list for problems related to Communication in «ELECTRONIC CONTROL MODULES - ELECTRICAL DIAGNOSTICS»(ref-212762) . No : Go to 3
- CAN B BUS (+) CIRCUIT OPEN Turn the ignition off. Disconnect the Compass Temperature Module harness connector. Disconnect the Front Control Module C1 harness connector. Measure the resistance of the (D55) Can B Bus (+) circuit between the Front Control Module C1 harness connector and the Compass Temperature Module harness connector. Is the resistance below 2.0 ohms? Yes : Go To 4 Perform «BODY VERIFICATION TEST - VER 1»(ref-212762-S01756696562005122700000) . No : Repair the Can B Bus (+) circuit for an open. Perform «BODY VERIFICATION TEST - VER 1»(ref-212762-S01756696562005122700000) .
- CAN B BUS (-) CIRCUIT OPEN Measure the resistance of the (D54) Can B Bus (-) circuit between the Front Control Module C1 harness connector and the Compass Temperature Module harness connector. Is the resistance below 2.0 ohms? Yes : Replace the Compass Temperature Module. Perform «BODY VERIFICATION TEST - VER 1»(ref-212762-S01756696562005122700000) . No : Repair the Can B Bus (-) circuit for an open. Perform «BODY VERIFICATION TEST - VER 1»(ref-212762-S01756696562005122700000) .