With Monochrome Display

B2632, B2633 AIR MIX DOOR MOTOR (DRIVER SIDE)



Description

COMPONENT DESCRIPTION

Air Mix Door Motor (driver side)





- The air mix door motor (driver side) (1) is attached to the heater & cooling unit assembly.
- 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. With Monochrome Display or With Monochrome 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 Monochrome Display or With Monochrome Display.
Is DTC No."B2632" or "B2633" displayed?
YES - Perform trouble diagnosis for the air mix door motor (driver side). With Monochrome Display.
NO - GO TO 2.
2.FUNCTION INSPECTION
1. Press the temperature control switch (driver side) until 32�C (90�F) is displayed.
2. Check for warm air at discharge air outlets.
3. Operate the A/C compressor.
4. Press the temperature control switch (driver 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 (driver side) installation, and repair or replace the malfunctioning parts.




Diagnosis Procedure
Regarding Wiring Diagram information, With Monochrome Display.
1.CHECK AIR MIX DOOR MOTOR (DRIVER SIDE) POWER SUPPLY
1. Turn ignition switch ON.





2. Check voltage between air mix door motor (driver side) harness connector M128 terminal 1 and ground.

1 - Ground : Battery Voltage

Is the inspection result normal?
YES - GO TO 2.
NO - Repair the harnesses or connectors.
2.CHECK SIGNAL FOR AIR MIX DOOR MOTOR (DRIVER SIDE)





Check the output waveform (LAN signal) between air mix door motor
(driver side) harness connector M128 terminal 3 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 (DRIVER SIDE) GROUND CIRCUIT





1. Turn ignition switch OFF.
2. Disconnect air mix door motor (driver side) connector.
3. Check continuity between air mix door motor (driver side) harness connector M128 terminal 2 and ground.

2 - Ground : Continuity should exist.

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