| CHECK HARNESS OF COMMUNICATION LINE. |
|
1) Turn the ignition switch to ON. (engine OFF) 2) Measure the voltage between IMM ECM harness connector terminal and chassis ground. Connector & terminal (B141) No. 10 (+) — Chassis ground (−): (B141) No. 23 (+) — Chassis ground (−): |
| QUESTION | |
|
Is the voltage 0 V? | |
| Yes | No |
|
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There is a short circuit in the battery voltage circuit or ignition switch “ON” circuit. Repair the harness between IMM ECM and ECM. |
