Engine Cooling
- Specification
- General Procedure
- Description and Operation
- Diagnosis and Testing
- Engine Cooling
- Notes
- Visual Inspection Chart
- Symptom Chart
- PINPOINT TEST G92380p1 : DTC P0480; HIGH/LOW SIGNAL FROM THE COOLING FAN MOTOR CONTROL MODULE TO THE ECM
- G92380t1 : CHECK THE OPERATION OF THE COOLING FANS
- G92380t2 : CHECK THE OPERATION OF THE TWO COOLING FANS
- G92380t3 : RUN THE TWO COOLING FANS AT MAXIMUM SPEED.
- G92380t4 : CHECK CONTINUITY OF THE COOLING FAN MOTOR CONTROL MODULE SIGNAL WIRE FROM THE ECM
- G92380t5 : CHECK THE COOLING FAN MOTOR CONTROL MODULE SIGNAL WIRE FROM THE ECM FOR A SHORT TO GROUND
- G92380t6 : CHECK THE COOLING FAN MOTOR CONTROL MODULE SIGNAL WIRE FROM THE ECM FOR A SHORT TO BATTERY POSITIVE
- G92380t7 : CHECK FUSE 8 IN THE ENGINE COMPARTMENT FUSE BOX
- G92380t8 : CHECK FUSE 8 OF THE ENGINE COMPARTMENT FUSE BOX FOR A SHORT TO GROUND
- G92380t9 : CHECK THE POWER SUPPLY TO THE COOLING FAN MOTOR CONTROL MODULE
- G92380t10 : CHECK FOR BATTERY VOLTAGE AT FUSE 8 OF THE ENGINE COMPARTMENT FUSE BOX
- G92380t11 : CHECK THE IGNITION SUPPLY TO THE COOLING FAN MOTOR CONTROL MODULE
- G92380t12 : CHECK THE COOLING FAN MOTOR CONTROL MODULE GROUND CIRCUIT
- PINPOINT TEST G92380p2 : LOSS OF COOLANT
- PINPOINT TEST G92380p3 : THE ENGINE OVERHEATS
- G92380t14 : CHECK COOLANT
- G92380t15 : CHECK THE CONDITION OF THE WATER PUMP DRIVE BELT
- G92380t16 : CHECK THE WATER PUMP DRIVE
- G92380t17 : CHECK THE LEFT HAND EXHAUST CAMSHAFT
- G92380t18 : CHECK THE OPERATION OF THE COOLING FANS
- G92380t19 : CHECK THE AIR CONDITIONING CONDENSER AND RADIATOR CORE FOR OBSTRUCTION.
- G92380t20 : CHECK THE OPERATION OF THE COOLING FANS WITH THE ENGINE RUNNING AT NORMAL OPERATING TEMPERATURE
- G92380t21 : CHECK THE TEMPERATURE OF THE RADIATOR
- G92380t22 : CHECK THE RADIATOR CORE FOR COLD SPOTS
- G92380t23 : CHECK THE THERMOSTAT
- G92380t24 : CHECK THE ENGINE OIL COOLER FOR A BLOCKAGE
- PINPOINT TEST G92380p4 : THE ENGINE BLOCK HEATER DOES NOT OPERATE
- G92380t25 : CHECK CONTINUITY OF THE BLOCK HEATER POWER SUPPLY CABLE AND THE BLOCK HEATER
- G92380t26 : CHECK THE CONTINUITY OF THE BLOCK HEATER
- G92380t27 : CHECK THE BLOCK HEATER FOR A SHORT TO GROUND
- G92380t28 : CHECK THE CONTINUITY OF THE BLOCK HEATER POWER SUPPLY CABLE
- G92380t29 : CHECK THE BLOCK HEATER POWER SUPPLY CABLE FOR A SHORT CIRCUIT
- Component Tests
- Engine Cooling
- Removal and Installation