LINK ASSEM. 7S9185 - Caterpillar

Which Generate This Code:The Electronic Control Module (ECM) will log a diagnostic code if the ECM detects all of the following conditions:
The engine speed is greater than 0 rpm.
The pattern for the timing ring is incorrect for five seconds.The ECM will log a diagnostic code, and the ECM will have an active diagnostic code if the ECM detects all of the following conditions:
The engine speed is greater than 0 rpm.
The pattern for the timing ring is incorrect for five seconds.
The pattern for the timing ring is correct again for five seconds.System Response:The ECM will log the diagnostic code. The diagnostic code may be viewed on a display module or on the Caterpillar Electronic Technician (Cat ET).
Engine misfires
Engine shutdownNote: The engine will shut down only if the primary engine speed/timing sensor and the secondary engine speed/timing sensor are abnormal.Test Step 1. Perform the following test: Engine Speed/Timing Sensor Circuit - TestResults:
OK - Stop.