DIAGNOSIS AND REPAIR WORKFLOW
Work Flow
OVERALL SEQUENCE

DETAILED FLOW
1.OBTAIN INFORMATION ABOUT SYMPTOM
Interview the customer to obtain as much information as possible about the conditions and environment under which the malfunction occurred.
>> GO TO 2
2.CHECK SYMPTOM
>> GO TO 3
3.CHECK CONSULT SELF-DIAGNOSIS RESULTS
Connect CONSULT and perform "SELF-DIAGNOSIS". Refer to MWI-29, "CONSULT Function (METER/ M&A)".
4.NARROW DOWN MALFUNCTIONING PARTS THROUGH SYMPTOM DIAGNOSIS
Perform symptom diagnosis and repair or replace the identified malfunctioning parts.
>> GO TO 5
5.REPAIR OR REPLACE MALFUNCTIONING PARTS
Repair or replace malfunctioning parts.
NOTE:
If DTC is displayed, erase DTC after repairing or replacing malfunctioning parts.
>> GO TO 6
6.FINAL CHECK
Check that the warning buzzer in the combination meter operates normally.
Power supply and ground circuit
Diagnosis Procedure
1. CHECK FUSE AND FUSIBLE LINK
Check if the following BCM fuses or fusible link are blown
2. CHECK POWER SUPPLY CIRCUIT
Turn ignition switch OFF.
Disconnect BCM.
Check voltage between BCM harness connector and ground.
3. CHECK GROUND CIRCUIT
Check contin ...
Cooling and/or dehumidified heating
(AUTO)
This mode may be used all year round as the
system automatically works to keep a constant
temperature. Air flow distribution and fan speed
are also controlled automatically.
1. Press the AUTO button on.
2. Turn the temperature control dial to the left
or right to set the desired temperatur ...
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
DT ...