With Color Display

B2636, B2637, B2638, B2639, B2654, B2655 MODE DOOR MOTOR





Description

COMPONENT DESCRIPTION

Mode Door Motor





- The mode door motor (1) is attached to the heater & cooling unit assembly.
- It rotates so that air is discharged from the outlet set by the A/C auto amp. Motor rotation is conveyed to a link which activates the mode 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."B2636", "B2637", "B2638", "B2639", "B2654" or "B2655" displayed?
YES - Perform trouble diagnosis for the mode door motor. With Color Display.
NO - GO TO 2.
2.FUNCTION INSPECTION
1. Press MODE switch and DEF switch.
2. Each position indicator should change shape.
3. Confirm that air discharge comes out according to the air distribution table. With Color Display.

NOTE:






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




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





2. Check voltage between mode door motor harness connector M127 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 MODE DOOR MOTOR





Confirm A/C LAN signal between mode door motor harness connector M127 terminal 3 and ground using an oscilloscope.






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





1. Turn ignition switch OFF.
2. Disconnect mode door motor connector.
3. Check continuity between mode door motor harness connector M127 terminal 2 and ground.

2 - Ground : Continuity should exist.

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