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A/C Signal

CIRCUIT DIAGRAM

USING MULTI-USE TESTER

Step 1:

HARNESS INSPECTION

OPERATION

If the ON signal is input from the air conditioner switch, ECU turns on the air conditioner compressor relay to start the air conditioner compressor.

TROUBLESHOOTING HINTS

When idling speed does not increase for the air conditioner or when the air conditioner compressor does not run, a short-circuit or broken wire may occur in the circuit related to the air conditioner.