Engine Control Relay Plausibility

Test 1 - Test 2:

Test 3 - Test 5:

SYMPTOM
P1610-ENGINE CONTROL RELAY PLAUSIBILITY

WHEN MONITORED
During after-run.

SET CONDITION
The internal ECM timer determines that the Engine Control Relay remains on for more than 2.0 seconds after the ECM has turned off the Engine Control Relay.

POSSIBLE CAUSES
- Check for other DTCs
- Check the ECM power and grounds
- Engine control module
- Intermittent condition
- Substitute engine control relay