Problem Symptoms Table
HINT:
Use the table below to help determine the cause of the problem symptom. The potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
Cooling fan system
PROBLEM SYMPTOMS CHART
| Symptom | Suspected Area | See Procedure |
|---|---|---|
| Cooling fan does not stop rotating | Cooling fan relay | COOLING FAN RELAY |
| Check for DTC (engine control system) | DTC P0115 ENGINE COOLANT TEMPERATURE CIRCUIT MALFUNCTION; DTC P0117 ENGINE COOLANT TEMPERATURE CIRCUIT LOW INPUT; DTC P0118 ENGINE COOLANT TEMPERATURE CIRCUIT HIGH INPUT | |
| Check for DTC (CAN communication system) | DIAGNOSTIC TROUBLE CODE CHART | |
| Cooling fan motor | COOLING FAN MOTOR | |
| Cooling fan ECU | COOLING FAN ECU | |
| Front controller | - | |
| Cooling fan does not rotate | Power source circuit | - |
| Cooling fan relay | COOLING FAN RELAY | |
| Cooling fan motor | COOLING FAN MOTOR | |
| Cooling fan ECU | COOLING FAN ECU | |
| Front controller | - |