SEALER- 2077529 - Caterpillar

The Electronic Control Module (ECM) detects one of the following conditions:
Open circuit
Short to ground
Short to +Battery
Short across the solenoid when the engine is running.System Response:The ECM will cycle the control valve for the injection actuation system on and off. The ECM will cycle the control valve several times in a second when the engine is running.Possible Performance Effect:The engine will stop running if the signal line for the control valve for the injection actuation system is shorted to ground.If the return line for the control valve is shorted to ground, the following conditions may exist:
The engine may continue to run.
The idle may be unstable.Troubleshooting:Test Step 1. Perform the following diagnostic procedure: "Injection Actuation Pressure Control Valve Circuit - Test"Results:
OK - STOP