G3520B Engines Caterpillar

MID 033 - CID 0320 - FMI 03 Speed/Timing Sensor short to +batt

Usage:

G3520B BGW

Conditions Which Generate This Code:

To activate this code, all of the following conditions must occur:

The slave Electronic Control Module (ECM) has been powered for at least one second. The pattern of the timing reference gear is lost for more than one second. The engine speed is greater than 150 rpm. Neither of the following diagnostic codes are active:

145-03 12 Volt DC Power Supply short to +batt
145-04 12 Volt DC Power Supply short to ground

Note: The 320-03 code is set after the pattern of the timing reference gear is lost for more than one second. However, the logic hesitates for 1.5 seconds before the code is activated. If a 145-03 or 145-04 is activated during the 1.5 seconds, then the 320-03 code is deactivated.

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

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