| CHECK HARNESS BETWEEN ECM AND POWER SUPPLY CM. |
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1) Turn the ignition to OFF. 2) Disconnect the connector from ECM. 3) Turn the ignition to ON. 4) Measure the voltage between ECM and chassis ground. Connector & terminal (B135) No. 21 (+) — Chassis ground (−): |
| QUESTION | |
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Is the voltage 10 V or more? | |
| Yes | No |
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Repair the short circuit to power supply in harness between ECM and power supply CM. |
Repair the poor contact of ECM connector. |