CHECK HARNESS BETWEEN ECM AND EXHAUST GAS TEMPERATURE SENSOR 2 CONNECTOR.

1) Turn the ignition switch to OFF.

2) Disconnect the connectors from the ECM and exhaust gas temperature sensor 2.

3) Measure the resistance between ECM connector and chassis ground.

Connector & terminal

(B134) No. 55 — Chassis ground:

QUESTION

Is the resistance 1 MΩ or more?

Yes No

Replace the exhaust gas temperature sensor 2.

Repair the short circuit to ground in harness between ECM connector and exhaust gas temperature sensor 2 connector.