P0685 - ECM/PCM Power Relay Control Circuit/Open
DTC DESCRIPTION P0685 - ECM/PCM POWER RELAY CONTROL CIRCUIT/OPEN
| Description: This DTC sets when the ISP-R circuit indicates the ignition is in the OFF, ACC, or LOCK position, and the amount of time the PCM remains powered through the PCM power relay exceeds a predetermined amount of time. | |||
Possible Causes:
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| Diagnostic Aids: | |||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to PINPOINT TEST AJ . | ||