Pinout Values and Diagnostic Parameters

TERMINALS OF ECU




1. CHECK INTEGRATION RELAY

a. Disconnect the I12 relay connector.
b. Measure the resistance of the wire harness side connector.




Standard :

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

c. Reconnect the I12 relay connector.
d. Measure the voltage between each terminal and body ground.




Standard:

If the result is not as specified, the integration relay may have a malfunction.

2. CHECK INSTRUMENT PANEL J/B (INTEGRATION RELAY)




a. Inspect the ID, IF, IH and IJ J/B connectors.
b. Measure the resistance of the wire harness side connectors.




Standard:

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

c. Reconnect the connectors.
d. Measure the voltage of the connectors.




Standard:

If the result is not as specified, the integration relay or instrument panel J/B may have a malfunction.