Diesel Data: Automotive Repair

Pinout Values and Diagnostic Parameters

TERMINALS OF ECU

Terminals Of ECU/Pinouts:




1. CHECK INSTRUMENT PANEL J/B ASSY (MULTIPLEX NETWORK BODY ECU)
a. Disconnect the 1A, 1B, 1D and 1E J/B connectors.
b. Measure the resistance and voltage between each terminal of the wire harness side connector and body ground.




Standard:
If the result is as specified, the wire harness side may have a malfunction.

Terminals Of ECU/Pinouts:




2. CHECK TRANSPONDER KEY ECU
a. Disconnect the T5 ECU connector.
b. Measure the voltage and resistance between each terminal of the wire harness side connector and body ground.




Standard:
If the result is not as specified, there may be a malfunction on the wire harness side.