| CHECK HARNESS BETWEEN ECM AND DPF PRESSURE DIFFERENTIAL SENSOR CONNECTOR. |
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Measure the voltage between ECM connector and chassis ground. Connector & terminal (B134) No. 56 (+) — Chassis ground (−): (B134) No. 72 (+) — Chassis ground (−): |
| QUESTION | |
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Is the voltage 5 V or more? | |
| Yes | No |
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Repair the short circuit to power supply in harness between ECM connector and DPF pressure difference sensor connector. |
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