Cooling Fan Always On
- If diagnostic system check has not been performed, see DIAGNOSTIC SYSTEM CHECK . If diagnostic system check has been performed, go to next step.
- Turn ignition on, engine off. If one or both cooling fans are on, go to next step. If one or both cooling fans are not on, problem is intermittent.
- If both cooling fans are running continuously, go to step 5. If both cooling fans are not running continuously, go to next step.
- Remove cooling fan relay. If left cooling fan turned off, go to step 6. If left cooling fan did not turn off, go to step 7.
- Repair short to voltage in supply voltage circuit (Gray wire) of right cooling fan motor. After repairs, go to step 8.
- Repair short to voltage in low reference circuit (White wire) of right cooling fan motor. After repairs, go to step 8.
- Repair short to voltage in supply voltage circuit (Light Blue wire) of left cooling fan motor. After repairs, go to next step.
- Operate system to verify repair.