| CHECK HARNESS BETWEEN ECM AND FRONT OXYGEN (A/F) SENSOR CONNECTOR. |
|
1) Disconnect the connector from front oxygen (A/F) sensor. 2) Turn the ignition switch to ON. 3) Measure the voltage of harness between ECM connector and chassis ground. Connector & terminal (B135) No. 8 (+) — Chassis ground (−): (B135) No. 9 (+) — Chassis ground (−): |
| QUESTION | |
|
Is the voltage 8 V or more? | |
| Yes | No |
|
Repair the short to power supply in the harness between ECM and front oxygen (A/F) sensor connector. |
Replace the front oxygen (A/F) sensor. |
