G3520B Engines Caterpillar


MID 033 - CID 0320 - FMI 08 Engine Speed/Timing signal abnormal

Usage:

G3520B BGW
Conditions Which Generate This Code:

The slave Electronic Control Module (ECM) must be powered for at least one second. The engine speed is greater than 150 rpm. One of the following two conditions occurs:

  • An invalid pattern for the timing reference gear is detected. For example, reverse rotation is detected.

  • The pattern for the timing reference gear is lost for less than one second.

System Response:

If the engine is running, the ignition signals stop. The shutdown output is activated. The code is logged.

If the engine is running, the engine will be shut down. If the engine is not running, the engine will not start.

Test Step 1. Perform the following diagnostic procedure: Engine Speed/Timing Sensor

Results:

  • OK - STOP

Caterpillar Information System:

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