| CHECK HARNESS BETWEEN ECM AND EGR VALVE CONNECTOR. |
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1) Turn the ignition switch to OFF. 2) Disconnect the connector from the EGR valve. 3) Turn the ignition switch to ON. 4) Measure the voltage between ECM and chassis ground. Connector & terminal DTC P1493; (B134) No. 14 (+) — Chassis ground (−): DTC P1495; (B134) No. 24 (+) — Chassis ground (−): DTC P1497; (B134) No. 13 (+) — Chassis ground (−): DTC P1499; (B134) No. 23 (+) — 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 in the harness between the ECM and EGR valve connectors. |
Repair the poor contact of the ECM connector. |