B2634

B2634, B2635 FRONT AIR MIX DOOR MOTOR (PASSENGER SIDE)

DTC Logic


DTC DETECTION LOGIC







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- Refer to "Diagnosis Procedure" .
NO- INSPECTION END


Diagnosis Procedure


1. CHECK FRONT AIR MIX DOOR MOTOR (PASSENGER SIDE) COMMUNICATION SIGNAL

1.Turn ignition switch ON.
2.Check output waveform between front air mix door motor RH harness connector and ground with the oscilloscope.





Is the inspection result normal?
YES- GO TO 2.
NO- GO TO 3.

2. CHECK INSTALLATION OF FRONT AIR MIX DOOR MOTOR (PASSENGER SIDE)

Check front air mix door motor (passenger side) is properly installed. Refer to "Exploded View" Door Motor.
Is the inspection result normal?
YES- Replace front air mix door motor (passenger side). Refer to "AIR MIX DOOR MOTOR : Removal and Installation" Air Mix Door Motor.
NO- Repair or replace malfunctioning part.

3. CHECK FRONT AIR MIX DOOR MOTOR (PASSENGER SIDE) COMMUNICATION SIGNAL CIRCUIT

1.Turn ignition switch OFF.
2.Disconnect front air mix door motor RH and A/C auto amp. connector.
3.Check continuity between front air mix door motor RH harness connector and A/C auto amp. harness connector.





Is the inspection result normal?
YES- Replace A/C auto amp. Refer to "Removal and Installation" Service and Repair.
NO- Repair harness or connector.