Operation CHARM: Car repair manuals for everyone.

Inspection Procedure





MEMORY FUNCTION DOES NOT OPERATE


Inspection procedure

1.CHECK OPERATION
1. Turn ignition switch ON (READY).
2. Set temperature control dial to 32�C (90�F).
3. Press OFF switch.
4. Turn ignition switch OFF.
5. Turn ignition switch ON (READY).
6. Press AUTO switch.
7. Check that the set temperature is maintained.
Is the inspection result normal?
YES - END.
NO - GO TO 2.
2.CHECK POWER SUPPLY AND GROUND CIRCUIT OF AUTO AMP
Check power supply and ground circuit of auto amp. Refer to Diagnosis Procedure.
Is the inspection result normal?
YES - Replace auto amp. Refer to Service and Repair.
NO - Repair or replace malfunctioning part(s).