With Color Display

B263D, B263E, B263F INTAKE DOOR MOTOR





Description

COMPONENT DESCRIPTION

Intake Door Motor





- The intake door motor (1) is attached to the blower unit.
- It rotates so that air is drawn from inlets set by the A/C auto amp.
Motor rotation is conveyed to a lever which activates the intake door.




DTC Logic

DTC DETECTION LOGIC

NOTE:
If DTC is displayed along with DTC U1000 or U1010, first diagnose the DTC U1000 or U1010. With Color Display or With Color Display.






DTC CONFIRMATION PROCEDURE
1.CHECK WITH SELF-DIAGNOSIS FUNCTION OF CONSULT-III
1. Using CONSULT-III, perform "SELF-DIAGNOSIS RESULTS" of HVAC.
2. Check if any DTC No. is displayed in the self-diagnosis results.

NOTE:
If DTC is displayed along with DTC U1000 or U1010, first diagnose the DTC U1000 or U1010. With Color Display or With Color Display.
Is DTC No."B263D", "B263E", or "B263F" displayed?
YES - Perform trouble diagnosis for the intake door motor. With Color Display.
NO - GO TO 2.
2.FUNCTION INSPECTION





Does it operate normally?
YES - Inspection End.
NO - Check intake door motor installation, and repair or replace the malfunctioning parts.




Diagnosis Procedure
Regarding Wiring Diagram information, With Navi or Without Navi.
1.CHECK INTAKE DOOR MOTOR POWER SUPPLY
1. Turn ignition switch ON.





2. Check voltage between intake door motor harness connector M126 terminal 1 and ground.

1 - Ground : Battery Voltage

Is the inspection result normal?
YES - GO TO 2.
NO - Repair harness or connector.
2.CHECK SIGNAL FOR INTAKE DOOR MOTOR





Confirm A/C LAN signal between intake door motor harness connector M126 terminal 3 and ground using an oscilloscope.






Is the inspection result normal?
YES - GO TO 3.
NO - Repair harness or connector.
3.CHECK INTAKE DOOR MOTOR GROUND CIRCUIT





1. Turn ignition switch OFF.
2. Disconnect intake door motor connector.
3. Check continuity between intake door motor harness connector M126 terminal 2 and ground.

2 - Ground : Continuity should exist.

Is the inspection result normal?
YES - Replace intake door motor. With Color Display.
NO - Repair harness or connector.