Diagnosis Procedure
- PERFORM SELF - DIAGNOSIS
Perform self - diagnosis function. Refer to DIAGNOSIS DESCRIPTION .
Is the inspection result normal?
YES
GO TO STEP 5 .
NO
GO TO STEP 2 .
- CHECK POWER SUPPLY FOR INTAKE DOOR MOTOR
Check voltage between intake door motor harness connector and ground.
(+) (-) Voltage
(Approx.)Intake door motor - Connector Terminal M254 1 Ground 12 V Is the inspection result normal?
YES
GO TO STEP 3 .
NO
Repair harness or connector.
- CHECK SIGNAL FOR INTAKE DOOR MOTOR
Confirm A/C LAN signal between intake door motor harness connector and ground using an oscilloscope.
(+) (-) Voltage Intake door motor - Connector Terminal M254 3 Ground Is the inspection result normal?
YES
GO TO STEP 4 .
NO
Repair harness or connector.
- CHECK INTAKE DOOR MOTOR GROUND CIRCUIT
- Turn ignition switch OFF.
- Disconnect intake door motor connector.
- Check continuity between intake door motor harness connector and ground.
Intake door motor - Continuity Connector Terminal M254 2 Ground Existed
Is the inspection result normal?
YES
Replace intake door motor.
NO
Repair harness or connector.
- CHECK INTAKE DOOR CONTROL LINKAGE
Check intake door control linkage is properly installed. Refer to EXPLODED VIEW WITH TORQUE SPECIFICATIONS .
Is it installed normally?
YES
INSPECTION END
NO
Repair or adjust control linkage.