G3516B Engines Caterpillar


MID 036 - CID 0444 - FMI 05 Start Relay open circuit

Usage:

G3516B 7EZ
Conditions Which Generate This Code:

The output from the Electronic Control Module (ECM) for the starting motor relay is OFF. An open circuit or a short circuit to the +Battery is detected.

Note: This diagnostic condition can only be detected by the ECM when the output for the starting motor relay is OFF. The output is normally OFF when the engine control is in the STOP mode or when the crank terminate relay is energized.

System Response:

The alarm output is activated. The code is logged.

Possible Performance Effect:

The engine will be unable to crank.

Troubleshooting:

Test Step 1. Perform the following diagnostic procedure: "ECM Output Circuit (Starting Motor)"

Results:

  • OK - STOP

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