G3412C, G3508, G3512 and G3516 Engines Status Control Module Caterpillar


Engine Cranks but Does Not Start

Usage:

G3516 4EK
System Operation Description:

Use this procedure if the engine cranks but the engine does not start. Also use this procedure if the engine shuts down after starting.

Test Step 1. Inspect Electrical Connectors and Wiring

  1. Turn the main disconnect switch to the OFF position.

  1. Thoroughly inspect all of the connectors that are associated with the circuit.

Expected Result:

All connectors, pins and sockets are completely coupled and/or inserted and the harness and wiring are free of corrosion, of abrasion and of pinch points.

Results:

  • OK - The harness and connectors appear to be OK. Proceed to Test Step 2.

  • Not OK - There is a problem with the connectors and/or wiring.

    Repair: Repair the connectors or wiring and/or replace the connectors or wiring. Ensure that all of the seals are properly in place and ensure that the connectors are completely coupled.Verify that the repair eliminates the problem.

    STOP

Test Step 2. Start the Engine

  1. Turn the main disconnect switch to the ON position and start the engine. View the engine "Status Control Module (SCM)".

Expected Result:

The engine is running. There were no active fault indicators.

Results:

  • OK - The engine is running. There were no active fault indicators.

    Repair: The problem is no longer present. If the problem is intermittent, inspect the electrical connectors and wiring.If necessary, repair the connectors or wiring and/or replace the connectors or wiring.Verify that the repair eliminates the problem.

    STOP

  • Not OK - The engine did not start. There was an active "Overcrank" fault indicator.

    Repair: Reset the control and check the set points for the cycle crank time and the overcrank time. Proceed to Testing and Adjusting, "Setpoint Programmiong".If the engine will not start, refer to the engine Troubleshooting, "Engine Cranks but Will Not Start".

    STOP

  • Not OK - The engine would not continue to run. There was an active 5 diagnostic fault.

    Repair: Proceed to Troubleshooting, "05 dIAG".

    STOP

  • Not OK - The engine did not start or the engine immediately shut down. There was an active diagnostic fault indicator.

    Repair: Proceed to the appropriate diagnostic procedure in Troubleshooting.

    STOP

Caterpillar Information System:

G3412C, G3508, G3512 and G3516 Engines Status Control Module Symptom Troubleshooting
G3412C, G3508, G3512 and G3516 Engines Status Control Module Service Tools
G3412C, G3508, G3512 and G3516 Engines Status Control Module General Information
Specifications for Inspection of Driveline Fasteners {3030, 3101, 3159, 3253, 3258, 3278, 4050} Specifications for Inspection of Driveline Fasteners {3030, 3101, 3159, 3253, 3258, 3278, 4050}
3512B Generator Set Engine Pressure Transducer
3512B Generator Set Engine Pressure Contactor
3500B Locomotive Engines Cylinder Head Valves
C27 and C32 Industrial and Petroleum Engines Vibration Damper and Pulley
2009/04/20 An Improved Radio Power Converter is used on Excavators. {1408, 1421, 7338}
C18 Generator set and C18 Marine Engines Vibration Damper and Pulley - Remove and Install
2008/09/08 Procedure for Crankshafts that will not Rotate after Installation during a Rebuild {1000, 1202}
TH48-E80 Oil/Gas Transmission Torque Converter - Install
320 Variable Gauge OEM Undercarriage Machine System Specifications Travel Motor Lines
3512B Generator Set Engine Thermocouple
C32 Petroleum Generator Sets Generator Bearing - Inspect
3512C Engine for 785D Off-Highway Truck/Tractors Turbocharger Exhaust Temperature Sensor
2008/08/01 The Intake Valve Actuator Response Test Is Updated {1130}
3512C Engine for 785D Off-Highway Trucks/Tractors Turbocharger
2009/09/07 An Improved Exhaust Seal for the Exhaust Bypass Is Used {1057}
2008/07/21 Guidelines for the Replacement of Fuel Injectors {1251, 1290}
New Secondary Fuel Filter{1261} New Secondary Fuel Filter{1261}
2008/09/01 Improved Exhaust Bellows and Exhaust Bellows Seals Are Used {1059}
2008/08/01 A New Injector Harness and Valve Cover Base are Used {1120, 1408, 1900}
2008/09/08 An Improved Lifter Assembly Is Available for C280 and 3600 Engines That Operate in Low Load Applications {1209, 1210}
Back to top
The names Caterpillar, John Deere, JD, JCB, Hyundai or any other original equipment manufacturers are registered trademarks of the respective original equipment manufacturers. All names, descriptions, numbers and symbols are used for reference purposes only.
CH-Part.com is in no way associated with any of the manufacturers we have listed. All manufacturer's names and descriptions are for reference only.