B2634

B2634, B2635 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.Using CONSULT, perform "SELF-DIAGNOSIS RESULTS" of HVAC.
3.Check if any DTC No. is displayed in the self-diagnosis results.
Is DTC detected?
YES- Refer to "Diagnosis Procedure" .
NO- Inspection End.


Diagnosis Procedure

Regarding Wiring Diagram information, refer to "Wiring Diagram" Automatic Air Conditioning.

1. CHECK AIR MIX DOOR MOTOR RH 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 AIR MIX DOOR MOTOR RH

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

3. CHECK AIR MIX DOOR MOTOR RH COMMUNICATION SIGNAL CIRCUIT

1.Turn ignition switch OFF.
2.Disconnect air mix door motor RH and A/C auto amp. connector.
3.Check continuity between 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" Removal And Installation.
NO- Repair harness or connector.