C7 Engine for the AP-755 Asphalt Paver and the PM-102 Cold Planer Caterpillar

The Electronic Control Module (ECM) detects one of the following conditions:

• Both of the switch inputs from the engine shutdown switch are in the open state.

• Both of the switch inputs from the engine shutdown switch are in the closed state.

System Response:

The diagnostic code may be viewed on the Caterpillar Electronic Technician (ET). If both of the switch inputs from the engine shutdown switch change to the same state and the engine is running, the engine will continue to run. If both of the switch inputs from the engine shutdown switch change to the same state and the engine is not running, the engine control will not allow the engine to start.

• There are no performance effects.

Test Step 1. Perform the following diagnostic procedure: Engine Shutdown Switch Circuit - Test

Results:

• OK - STOP