Engine Cooling
- General Description
- Special Tools
- Engine Cooling Diagnosis
- Introduction
- Troubleshooting Strategy
- Symptom Chart
- Symptom Procedures
- INSPECTION PROCEDURE 1: Coolant Leak
- INSPECTION PROCEDURE 2: Engine Overheating
- INSPECTION PROCEDURE 3: Radiator Fan and Condenser Fan do not Operate
- Circuit Diagram & Connector Identification
- Circuit Operation
- Technical Description
- Troubleshooting Hints
- Required Special Tool
- Diagnosis
- STEP 1. Check the circuit at fan controller connector A-20 (terminal 3).
- STEP 2. Check the fan control relay.
- STEP 3. Check the MFI relay.
- STEP 4. Check for harness damage between fusible link number 2 and fan control relay connector A-10X (terminal 4).
- STEP 5. Check for harness damage between fan control relay connector A-10X (terminal 2) and fan controller connector A-20 (terminal 3).
- STEP 6. Check for harness damage between MFI relay connector B-16X and fan control relay connector A-10X.
- STEP 7. Check for harness damage between fan control relay connector A-10X (terminal 3) and ground.
- STEP 8. Check the circuit at fan controller connector A-20 (terminal 1).
- STEP 9. Check the harness wire between fan controller connector A-20 and ground.
- STEP 11. Check the harness wire between PCM connector C-112 and fan controller connector A-20.
- STEP 12. Check the fan controller at PCM connector C-112.
- STEP 13. Check the symptoms.
- INSPECTION PROCEDURE 4: Radiator Fan and Condenser Fan do not Change Speed or Stop
- Notes
- Radiator Fan And Condenser Fan Drive Circuit
- Circuit Operation
- Technical Description
- Troubleshooting Hints
- Diagnosis
- Notes
- STEP 1. Check the fan control relay.
- STEP 2. Check the harness wire between fan control relay connector A-10X (terminal 2) and fan controller connector A-20 (terminal 3).
- STEP 3. Measure the output circuit voltage at PCM connector C-112 (terminal 18) by backprobing.
- STEP 4. Check the harness wire between PCM connector C-112 and fan controller connector A-20.
- STEP 5. Check the fan controller at PCM connector C-112.
- STEP 6. Check the symptoms.
- INSPECTION PROCEDURE 5: Radiator Fan does not Operate
- INSPECTION PROCEDURE 6: Condenser Fan does not Operate
- On-Vehicle Service
- Radiator
- Thermostat
- Water Pump
- Water Hose And Water Pipe
- Specifications