Operation CHARM: Car repair manuals for everyone.

Pinout Values and Diagnostic Parameters






AIR CONDITIONING: AIR CONDITIONING SYSTEM: TERMINALS OF ECU

1. A/C AMPLIFIER





HINT
Check from the rear of the connector while it is connected to the A/C amplifier.









*1: For 2GR-FE

*2: For AUTO A/C

(a) Waveform 1:









(b) Waveform 2:









(c) Waveform 3:









2. A/C CONTROL ASSEMBLY (HEATER CONTROL BASE SUB-ASSEMBLY)





HINT
Check from the rear of the connector while it is connected to the A/C control assembly (heater control base sub-assembly).