Without 7 Inch Display

B2634, B2635 AIR MIX DOOR MOTOR (PASSENGER SIDE)





Description

COMPONENT DESCRIPTION

Air Mix Door Motor (Passenger Side)





- The air mix door motor (passenger side) (1) are attached to the heater & cooling unit assembly.

Arrow Indicates : Vehicle front

- It rotates so that the air mix door is opened or closed to a position set by the A/C auto amp.
- Motor rotation is then conveyed through a shaft and the air mix door position feedback is then sent to the A/C auto amp. by PBR built-in air mix door motor.




DTC Logic

DTC DETECTION LOGIC

NOTE:
If DTC is displayed along with DTC U1000 or U1010, first diagnose the DTC U1000 or U1010. Without 7 Inch Display or Without 7 Inch 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. Without 7 Inch Display or Without 7 Inch Display.
Is DTC No."B2634" or "B2635" displayed?
YES - Perform trouble diagnosis for the air mix door motor (passenger side). Without 7 Inch Display.
NO - GO TO 2.
2.FUNCTION INSPECTION
1. Press temperature control "UP" switch (passenger side) until 32�C (90�F) is displayed.
2. Check for warm air at discharge air outlets.
3. Operate the compressor.
4. Press temperature control "DOWN" switch (passenger side) until 18�C (60�F) is displayed.
5. Check for cool air at air discharge outlets.
Does it operate normally?
YES - INSPECTION END
NO - Check air mix door motor (passenger side) installation, and repair or replace the malfunctioning parts.




Diagnosis Procedure
1.CHECK POWER SUPPLY FOR AIR MIX DOOR MOTOR (PASSENGER SIDE)
Check voltage between air mix door motor (passenger side) harness connector and ground.





Is the inspection result normal?
YES - GO TO 2.
NO - Repair the harnesses or connectors.
2.CHECK SIGNAL FOR AIR MIX DOOR MOTOR (PASSENGER SIDE)
Check the output waveform (LAN signal) between air mix door motor (passenger side) harness connector and ground using an oscilloscope.





Is the inspection result normal?
YES - GO TO 3.
NO - Repair the harnesses or connectors.
3.CHECK AIR MIX DOOR MOTOR (PASSENGER SIDE) GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect air mix door motor (passenger side) connector.
3. Check continuity between air mix door motor (passenger side) harness connector and ground.





Is the inspection result normal?
YES - Replace air mix door motor (passenger side).
NO - Repair harness or connector.