| CHECK HARNESS BETWEEN ECM AND SUCTION CONTROL VALVE CONNECTOR. |
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1) Turn the ignition switch to OFF. 2) Disconnect the connectors from ECM and suction control valve. 3) Turn the ignition switch to ON. 4) Measure the voltage between suction control valve connector and engine ground. Connector & terminal (E123) No. 1 (+) — Engine ground (−): (E123) No. 2 (+) — Engine 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 harness between ECM connector and suction control valve connector. |
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