Pinout Values and Diagnostic Parameters

AIR CONDITIONING: AIR CONDITIONING SYSTEM: TERMINALS OF ECU

1. CHECK AIR CONDITIONING AMPLIFIER ASSEMBLY





(a) Measure the voltage and resistance of the connectors.













* If the result is not as specified, the A/C amplifier may have a malfunction.

2. CHECK ECM





* If the result is not as specified, the ECM may have a malfunction.

(a) Measure the voltage and resistance of the connectors.





(1) Waveform 1: