ENGINE CRANKS BUT WILL NOT START
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
POSSIBLE CAUSES
| Possible Causes |
|---|
| LEAK OR RESTRICTION IN THE INTAKE AIR SYSTEM OR EXHAUST SYSTEM |
| FUEL SUPPLY CONTAMINATION |
| FUEL DELIVERY SYSTEM FAILURE |
| FAULTY GLOW PLUG OPERATION |
| ENGINE DRIVE CHAIN/BELT |
| POWERTRAIN CONTROL MODULE (PCM) |
LACK OF ENGINE POWER
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
| Possible Causes |
|---|
| FUEL INJECTOR QUANTITY ADJUSTMENT |
| EGR SYSTEM FAILURE |
| BOOST PRESSURE FAILURE |
| FUEL DELIVERY SYSTEM FAILURE |
| LOW ENGINE COMPRESSION |
| ENGINE DRIVE BELT/CHAIN |
| TURBOCHARGER |
| Possible Causes |
|---|
| TURBOCHARGER BOOST PRESSURE SENSOR CALIBRATION |
CHECKING THE BOOST PRESSURE SYSTEM
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
| Possible Causes |
|---|
| TURBOCHARGER ASSEMBLY |
| BOOST PRESSURE ACTUATOR |
| LEAK OR RESTRICTION IN THE INTAKE AIR SYSTEM OR EXHAUST SYSTEM |
CHECKING THE GLOW PLUG SYSTEM
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
| Possible Causes |
|---|
| GLOW PLUG WIRING |
| GLOW PLUGS |
| GLOW PLUG CONTROL MODULE |
CHECKING THE ENGINE MECHANICAL SYSTEMS
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
| Possible Causes |
|---|
| CHECKING ENGINE MECHANICAL SYSTEMS |
CHECKING THE FUEL DELIVERY SYSTEM
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
ENGINE WILL NOT CRANK
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
| Possible Causes |
|---|
| BATTERY CABLES |
| LOW BATTERY/POOR BATTERY CONNECTION |
| CLUTCH INTERLOCK SWITCH INPUT |
| INCORRECT VIN NOT STORED IN PCM |
| INCORRECT OR INVALID IGNITION KEY USED |
| WCM POWERS AND GROUNDS |
| STARTER MOTOR |
| MECHANICAL PROBLEM |
| TOTALLY INTEGRATED POWER MODULE (TIPM) |
CHECKING THE PCM POWER AND GROUND CIRCUITS
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
| Possible Causes |
|---|
| ASD/MAIN RELAY CONTROL CIRCUIT OPEN |
| ASD/MAIN RELAY OUTPUT CIRCUIT(S) OPEN |
| FUSED ASD/MAIN RELAY BATTERY SUPPLY CIRCUIT OPEN |
| FUSED IGNITION SWITCH (START) OUTPUT CIRCUIT OPEN |
| FUSED IGNITION SWITCH (START/RUN) OUTPUT CIRCUIT OPEN |
| PCM GROUND CIRCUIT(S) OPEN |
| MAIN RELAY |
| Possible Causes |
|---|
| (K111) OIL LEVEL SWITCH SIGNAL CIRCUIT SHORTED TO GROUND |
| (K111) OIL LEVEL SWITCH SIGNAL CIRCUIT OPEN/HIGH RESISTANCE |
| (K900) SENSOR GROUND CIRCUIT OPEN/HIGH RESISTANCE |