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ACC Power Source Circuit








AIR CONDITIONING: AIR CONDITIONING SYSTEM: ACC Power Source Circuit

ACC Power Source Circuit

DESCRIPTION

This circuit supplies a power source to the A/C amplifier, servo motor, etc.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. INSPECT FUSE (RADIO NO. 2, AM1)
(a) Remove the RADIO NO. 2 fuse from the passenger side junction block.
(b) Remove the AM1 fuse from the driver side junction block.
(c) Measure the resistance of the fuses.
Standard resistance:
Below 1 Ohms
NG -- REPLACE FUSE
OK -- Continue to next step.
2. INSPECT RELAY (Marking: ACC)




(a) Remove the ACC relay from the passenger side junction block.
(b) Measure the resistance of the relay.
Standard resistance:






NG -- REPLACE RELAY (ACC)
OK -- Continue to next step.
3. CHECK WIRE HARNESS (A/C AMPLIFIER - BATTERY)




(a) Disconnect the A10 amplifier connector.
(b) Measure the voltage of the wire harness side connector.
Standard voltage:






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