B2763

B2762, B2763, B2764 REAR MODE DOOR MOTOR

DTC Logic

DTC DETECTION LOGIC

NOTE:
- If DTC is displayed along with DTC U1000, first perform the trouble diagnosis for DTC U1000. CAN Comm Circuit.
- If DTC is displayed along with DTC U1010, first perform the trouble diagnosis for DTC U1010. Control Unit.
- If All of door motors DTC (B2750 - B276A) are detected, check door motor PBR power supply and ground circuit. With Forest Air (With Forest
Air).
- If All of door motors DTC (B2750 - B2764) are detected, check door motor PBR power supply and ground circuit. Without Forest Air (Without
Forest Air).

DTC CONFIRMATION PROCEDURE

1. PERFORM DTC CONFIRMATION PROCEDURE

With CONSULT
1.Turn ignition switch ON.
2.Select "Self Diagnostic Result" mode of "HVAC" using CONSULT.
3.Check DTC.
Is DTC detected?
YES- .
NO- INSPECTION END

Diagnosis Procedure

1. CHECK REAR MODE DOOR MOTOR OPERATION

1.Turn ignition switch ON.
2.Operate MODE switch (driver side) and DEF switch and check by operation sound that rear mode door motor.
NOTE:
"DUAL": OFF
Does rear mode door motor operate?
YES- GO TO 8.
NO- GO TO 2.

2. CHECK REAR MODE DOOR MOTOR DRIVE SIGNAL

Check voltage between rear mode door motor harness connector and ground, when MODE switch (driver side) and DEF switch are operated.
NOTE:
"DUAL": OFF

Is the inspection result normal?
YES- GO TO 6.
NO- GO TO 3.

3. CHECK REAR MODE DOOR MOTOR DRIVE SIGNAL CIRCUIT FOR OPEN

1.Turn ignition switch OFF.
2.Disconnect A/C auto amp. connector.
3.Disconnect rear mode door motor connector.
4.Check continuity between rear mode door motor harness connector and A/C auto amp. harness connector.

Is the inspection result normal?
YES- GO TO 4.
NO- Repair harness or connector.

4. CHECK REAR MODE DOOR MOTOR DRIVE SIGNAL CIRCUIT FOR GROUND SHORT

Check continuity between rear mode door motor harness connector and ground.

Is the inspection result normal?
YES- GO TO 5.
NO- Repair harness or connector.

5. CHECK REAR MODE DOOR MOTOR DRIVE SIGNAL CIRCUIT FOR BATTERY SHORT

1.Turn ignition switch ON.
2. rear mode door motor harness connector and ground.

Is the inspection result normal?
YES- GO TO 15.
NO- Repair harness or connector.

6. CHECK REAR MODE DOOR MOTOR

Check rear mode door motor. .
Is the inspection result normal?
YES- GO TO 7.
NO- Replace rear mode door motor. Rear Mode Door Motor.

7. CHECK INSTALLATION OF REAR MODE DOOR MOTOR

Check rear mode door motor is properly installed. Door Motor.
Is the inspection result normal?
YES- GO TO 15.
NO- Repair or replace malfunctioning parts.

8. CHECK REAR MODE DOOR MOTOR PBR FEEDBACK SIGNAL

Check voltage between A/C auto amp. harness connector and ground when operate MODE switch (driver side) and DEF switch.
NOTE:
"DUAL": OFF

Is the inspection result normal?
YES- GO TO 15.
NO- GO TO 9.

9. CHECK REAR MODE DOOR MOTOR PBR FEEDBACK SIGNAL CIRCUIT FOR OPEN

1.Turn ignition switch OFF.
2.Disconnect A/C auto amp. connector.
3.Disconnect rear mode door motor connector.
4.Check continuity between rear mode door motor harness connector and A/C auto amp. harness connector.

Is the inspection result normal?
YES- GO TO 10.
NO- Repair harness or connector.

10. CHECK REAR MODE DOOR MOTOR PBR FEEDBACK SIGNAL CIRCUIT FOR SHORT

Check continuity between rear mode door motor harness connector and ground.

Is the inspection result normal?
YES- GO TO 11.
NO- Repair harness or connector.

11. CHECK REAR MODE DOOR MOTOR PBR POWER SUPPLY

1.Connect A/C auto amp. connector.
2.Turn ignition switch ON.
3.Check voltage between rear mode door motor harness connector and ground.

Is the inspection result normal?
YES- GO TO 13.
NO- GO TO 12.

12. CHECK REAR MODE DOOR MOTOR PBR POWER SUPPLY CIRCUIT FOR OPEN

1.Turn ignition switch OFF.
2.Disconnect A/C auto amp. connector.
3.Check continuity between rear mode door motor harness connector and A/C auto amp. harness connector.

Is the inspection result normal?
YES- GO TO 15.
NO- Repair harness or connector.

13. CHECK REAR MODE DOOR MOTOR PBR GROUND CIRCUIT

1.Turn ignition switch OFF.
2.Disconnect A/C auto amp. connector.
3.Check continuity between rear mode door motor harness connector and A/C auto amp. harness connector.

Is the inspection result normal?
YES- GO TO 14.
NO- Repair harness or connector.

14. CHECK REAR MODE DOOR MOTOR PBR

Check rear mode door motor PBR..
Is the inspection result normal?
YES- GO TO 15.
NO- Replace rear mode door motor. Rear Mode Door Motor.

15. CHECK INTERMITTENT INCIDENT

Intermittent Incident.
Is the inspection result normal?
YES- Replace A/C auto amp. Removal And Installation.
NO- Repair or replace malfunction parts.

Component Inspection (Motor)

1. CHECK REAR MODE DOOR MOTOR

1.Turn ignition switch OFF.
2.Disconnect rear mode door motor connector.
3.Supply rear mode door motor terminals with battery voltage and check by visually and operation sound that rear mode door motor operates.

Is the inspection result normal?
YES- INSPECTION END
NO- Replace rear mode door motor. Refer to{LINK_TO_MANY:0000000006885621}{LINK_TO_MANY:0000000006885622}, "UPPER VENTILATOR DOOR MOTOR :
Removal and Installation".

Component Inspection (PBR)

1. CHECK REAR MODE DOOR MOTOR PBR

Check resistance between rear mode door motor terminals.