DTC P0689 - ECM/PCM Power Relay Sense Circuit Low
DTC DESCRIPTION P0689 - ECM/PCM POWER RELAY SENSE CIRCUIT LOW
| Description: | This DTC sets when the ISP-R and the INJPWRM circuit voltages do not correspond for a calibrated period of time. | ||
| Possible Causes: |
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| Diagnostic Aids: | The INJPWRM PID voltage reading should be 0 volts when the ignition is in the OFF, ACC or LOCK position. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to PINPOINT TEST B . | ||