| CHECK HARNESS BETWEEN ECM AND SECONDARY AIR PUMP RELAY. |
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Measure the voltage between ECM and chassis ground. Connector & terminal (B135) No. 5 — Chassis ground (−): |
| QUESTION | |
|
Is the voltage 10 V or more? | |
| Yes | No |
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Repair power supply short circuit of the harness between the ECM and secondary air pump relay connector. |
Temporary poor contact occurs. Check the poor contact of connector. |