Door Motor PBR (With Forest Air)

POWER SUPPLY AND GROUND CIRCUIT:_:DOOR MOTOR PBR (WITH FOREST AIR) DOOR MOTOR PBR (WITH FOREST AIR)





Diagnosis Procedure

NOTE:
Check this circuit when all DTCs of motor system (B2750 � B276A) are detected.
1.CHECK EACH DOOR MOTOR PBR POWER SUPPLY
1. Turn ignition switch OFF.
2. Disconnect mode door motor LH connector.
3. Turn ignition switch ON.
4. Check voltage between mode door motor LH harness connector and ground.





Is the inspection result normal?
YES - GO TO 5.
NO - GO TO 2.
2.CHECK EACH DOOR MOTOR PBR POWER SUPPLY CIRCUIT FOR OPEN
1. Turn ignition switch OFF.
2. Disconnect A/C auto amp. connector.
3. Check continuity between mode door motor LH harness connector and A/C auto amp. harness connector.





Is the inspection result normal?
YES - GO TO 3.
NO - Repair harness or connector.
3.CHECK EACH DOOR MOTOR PBR POWER SUPPLY CIRCUIT FOR GROUND SHORT
1. Disconnect following connectors:
- Air mix door motor LH
- Air mix door motor RH
- Aroma motor
- Intake door motor
- Mode door motor RH
- Rear mode door motor
- Upper ventilator door motor LH
- Upper ventilator door motor RH
2. Check mode door motor LH harness connector and ground.





Is the inspection result normal?
YES - GO TO 4.
NO - Repair harness or connector.
4.CHECK EACH DOOR MOTOR PBR POWER SUPPLY CIRCUIT FOR BATTERY SHORT
1. Turn ignition switch ON.
2. Check voltage between mode door motor LH harness connector and ground.





Is the inspection result normal?
YES - GO TO 7.
NO - Repair harness or connector.
5.CHECK MODE DOOR MOTOR (DRIVER SIDE) PBR GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect A/C auto amp. connector.
3. Check continuity between mode door motor LH harness connector and A/C auto amp. harness connector.





Is the inspection result normal?
YES - GO TO 6.
NO - Repair harness or connector.
6.CHECK COMPONENT PARTS
Check following parts:
- Air mix door motor (driver side): B2750.
- Air mix door motor (passenger side): B2753.
- Aroma motor: B2768.
- Intake door motor: B275C.
- Mode door motor (driver side): B2756.
- Mode door motor (passenger side): B2759.
- Rear mode door motor: B2762.
- Upper ventilator door motor (driver side): Upper Ventilator Door Motor (Driver Side).
- Upper ventilator door motor (passenger side): B2765.
Is the inspection result normal?
YES - GO TO 7.
NO - Replace malfunctioning parts.
7.CHECK INTERMITTENT INCIDENT
Intermittent Incident.
Is the inspection result normal?
YES - Replace A/C auto amp. Removal And Installation.
NO - Repair or replace malfunctioning parts.