ACC Power Source Circuit

AIR CONDITIONING: AIR CONDITIONING SYSTEM (for Automatic Air Conditioning System): ACC Power Source Circuit

ACC Power Source Circuit

DESCRIPTION

This circuit supplies power to the A/C amplifier and the illumination for the clock.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. INSPECT FUSE (ECU ACC)
(a) Remove the ECU ACC fuse from the engine room relay block.
(b) Measure the resistance according to the value(s) in the table below.
Standard resistance:






NG -- REPLACE FUSE (ECU ACC)
OK -- Continue to next step.
2. CHECK HARNESS AND CONNECTOR (A/C AMPLIFIER - BATTERY)





(a) Disconnect the connector from the A/C amplifier.
(b) Measure the voltage according to the value(s) in the table below.
Standard voltage:






NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE