Check Harness Between ECM & Inhibitor Switch Connector

Turn the ignition switch to OFF.

Disconnect the connectors from ECM and inhibitor switch.

Measure the resistance of harness between ECM and inhibitor switch connector.

Connector & terminal 

(B137) No. 9 - (T7) No. 12: 

Is the resistance less than 1 O? 

YES. Go to next step. 

NO 

• Repair harness and connector.
  NOTE: In this case, repair the following:

  • Open circuit in harness between ECM and inhibitor switch connector
  • Poor contact in coupling connector
  • Poor contact in inhibitor switch connector
  • Poor contact in ECM connector