| CHECK OUTPUT SIGNAL OF ECM. |
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1) Start and idle the engine. 2) Measure the voltage between ECM connector and chassis ground. Connector & terminal (B134) No. 1 (+) — Chassis ground (−): (B134) No. 2 (+) — Chassis ground (−): (B134) No. 9 (+) — Chassis ground (−): (B134) No. 10 (+) — Chassis ground (−): |
| QUESTION | |
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Is the voltage less than 1 V? | |
| Yes | No |
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