Pinout Values and Diagnostic Parameters

ECM Terminal Arrangement

1. Instrument panel junction block ASSY, main body ECM (Network gateway computer)







1. Inspection of instrument panel junction block ASSY, main body ECM (Network gateway computer)
a. Measure the voltage between terminals.







NOTE: If it is not within the standard value, failure exists in the vehicle side.

2. Heater control SUB-ASSY (Rear window defogger switch) (except for automatic air conditioning system)
1. Disconnect the connector D22 of the heater control SUB-ASSY (Rear window defogger switch).
2. Measure the voltage and resistance between terminals.







3. Connect the connector D22 of the heater control SUB-ASSY (Rear window defogger switch).
4. Measure the voltage between terminals.