| CHECK HARNESS BETWEEN ECM AND REAR OXYGEN SENSOR. |
|
1) Turn the ignition switch to OFF. 2) Measure the voltage between ECM and chassis ground. Connector & terminal (B136) No. 4 (+) — Chassis ground (−): |
| QUESTION | |
|
Is the voltage 10 V or more? | |
| Yes | No |
|
Repair the short circuit to power in the harness between ECM and rear oxygen sensor connector. |
|
