Rear Air Conditioning Relay Circuit

AIR CONDITIONING: AIR CONDITIONING SYSTEM (for Automatic Air Conditioning System): Rear Air Conditioning Relay Circuit

Rear Air Conditioning Relay Circuit

DESCRIPTION

The RR A/C relay is switched on by signals from the A/C amplifier. It supplies power to the rear blower motor.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. INSPECT RELAY (RR A/C)





(a) Remove the RR A/C relay from the No. 3 relay block.
(b) Measure the resistance according to the value(s) in the table below.
Standard resistance:






NG -- REPLACE RELAY (RR A/C)
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