BCM (BODY CONTROL SYSTEM) (WITH INTELLIGENT KEY SYSTEM) : Diagnosis Procedure
Regarding Wiring Diagram information, refer to BCS "Wiring Diagram".
1.CHECK FUSES AND FUSIBLE LINK
Check that the following fuses and fusible link are not blown.
Is the fuse blown?
YES >> Replace the blown fuse or fusible link after repairing the affected circuit.
NO >> GO TO 2.
2.CHECK POWER SUPPLY CIRCUIT
1. Disconnect BCM connector M99.
2. Check voltage between BCM connector M99 and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair harness or connector.
3.CHECK GROUND CIRCUIT
Check continuity between BCM connector M99 and ground.
Is the inspection result normal?
YES >> Inspection End.
NO >> Repair harness or connector.
BCM (BODY CONTROL SYSTEM) (WITHOUT INTELLIGENT KEY SYSTEM) : Diagnosis Procedure
Regarding Wiring Diagram information, refer to BCS "Wiring Diagram".
1.CHECK FUSES AND FUSIBLE LINK
Check that the following fuses and fusible link are not blown.
Is the fuse blown?
YES >> Replace the blown fuse or fusible link after repairing the affected circuit.
NO >> GO TO 2.
2.CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connectors.
3. Check voltage between BCM connector and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair harness or connector.
3.CHECK GROUND CIRCUIT
Check continuity between BCM connector and ground.
Is the inspection result normal?
YES >> Inspection End.
NO >> Repair harness or connector.
POWER WINDOW MAIN SWITCH : Diagnosis Procedure
Regarding Wiring Diagram information, refer to PWC "Wiring Diagram".
1.CHECK POWER WINDOW MAIN SWITCH POWER SUPPLY
1. Turn ignition switch OFF.
2. Disconnect power window main switch connector.
3. Check voltage between power window main switch harness connector and
ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> GO TO 2.
2.CHECK POWER WINDOW MAIN SWITCH POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connector.
3. Check continuity between BCM harness connector and power window main
switch harness connector.
4. Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES >> Replace BCM. Refer to BCS "Removal and Installation".
NO >> Repair or replace harness.
3.CHECK POWER WINDOW MAIN SWITCH GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check continuity between power window main switch harness connector and
ground.
Is the inspection result normal?
YES >> Inspection End.
NO >> Repair or replace harness.
FRONT POWER WINDOW SWITCH (PASSENGER SIDE) : Diagnosis Procedure
Regarding Wiring Diagram information, refer to PWC "Wiring Diagram".
1.CHECK FRONT POWER WINDOW SWITCH RH POWER SUPPLY
1. Turn ignition switch OFF.
2. Disconnect front power window switch RH connector.
3. Turn ignition switch ON.
4. Check voltage between front power window switch RH harness connector and
ground.
Is the inspection result normal?
YES >> Inspection End.
NO >> GO TO 2.
2.CHECK FRONT POWER WINDOW SWITCH RH POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connector.
3. Check continuity between BCM harness connector and front power window
switch RH harness connector.
4. Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES >> Replace BCM. Refer to BCS "Removal and Installation".
NO >> Repair or replace harness.
REAR POWER WINDOW SWITCH : Diagnosis Procedure
Regarding Wiring Diagram information, refer to PWC "Wiring Diagram".
1.CHECK REAR POWER WINDOW SWITCH POWER SUPPLY
1. Turn ignition switch OFF.
2. Disconnect rear power window switch connector.
3. Turn ignition switch ON.
4. Check voltage between rear power window switch harness connector and
ground.
Is the inspection result normal?
YES >> Inspection End.
NO >> GO TO 2.
2.CHECK REAR POWER WINDOW SWITCH POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connector.
3. Check continuity between BCM harness connector and rear power window
switch harness connector.
4. Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES >> Replace BCM. Refer to BCS "Removal and Installation".
NO >> Repair or replace harness.
Work Flow OVERALL SEQUENCE DETAILED FLOW 1. OBTAIN INFORMATION ABOUT SYMPTOM Interview the customer to obtain as much information as possible about the conditions and environment under whi ...
Component Function Check 1. CHECK FUNCTION Check front power window motor RH operation with front power window switch RH. Is the inspection result normal? YES >> Inspection End. NO >> ...
Instrument panel
1. Headlight/turn signal switch/fog light
switch (if so equipped)
2. Driver's supplemental air bag (P. 1-39)
Horn
3. Meters and gauges. Warning and indicator lights
4. Wiper and washer switch
5. Vents
6. Rear window defroster switch
7. Front passenger air bag status light
8. Hazard warn ...
P0863 TCM Communication
DTC Logic
DTC DETECTION LOGIC
DTC
Trouble diagnosis name
DTC detection condition
Possible causes
P0863
TCM Communication Circui
An error is detected at the initial CAN diagnosis
of TCM.
TCM
DTC CONFIRMATION PROCEDURE
1.PREPARATION BEFORE WORK
If anothe ...