Climate Control System-General Information
- Specifications
- Description And Operation
- Diagnosis And Testing
- Climate Control System
- Notes
- Special Tool(s)
- Inspection and Verification
- Symptom Chart
- Pinpoint Tests
- Pinpoint Test A: No Communication With The Dual Automatic Temperature Control (DATC) Module
- Pinpoint Test B: The DATC System Is Inoperative, Intermittent Or Incorrect Operation
- Pinpoint Test C: Incorrect/Erratic Direction Of Airflow From Outlets
- Pinpoint Test D: DTC B1251 Or B1253 - Air Temperature Internal Sensor Circuit Open Or Short To Ground
- Pinpoint Test E: DTC B1946, B1947, B1966, B1967, B2428, Or B2429 - Climate Control A/C Post Evaporator Sensor, A/C Post Heater Sensor Driver Side, Or A/C Post Heater Sensor Passenger Side Circuit Failure Or Short To Ground
- Pinpoint Test F: DTC B1255 Or B1257 - Air Temperature External Sensor Circuit Open Or Short To Ground
- Pinpoint Test G: DTC B1259 Or B1261 - Solar Radiation Sensor Circuit Open Or Short To Ground
- Pinpoint Test H: Insufficient, Erratic, Or No Heat
- Pinpoint Test I: Insufficient Heat During Engine Idle
- Pinpoint Test J: Full Heat Only In All Modes
- Pinpoint Test K: The Dual Temperature Control Is Inoperative/Does Not Operate Correctly
- Pinpoint Test L: The Air Conditioning (A/C) Is Inoperative/Does Not Operate Correctly
- Pinpoint Test M: The Air Conditioning (A/C) Is Always On
- Pinpoint Test N: The Blower Motor Is Inoperative
- Pinpoint Test O: The Blower Motor Does Not Operate Correctly
- Pinpoint Test P: The Temperature Set Point Does Not Repeat After Turning The Ignition Switch Off
- Pinpoint Test Q: The Exterior Temperature Display Does Not Function Correctly
- Component Tests
- Coolant Control Valve
- Heater Core
- Heater Core-Plugged
- Heater Core-Pressure Test
- Heater Core-Bench Test
- Condenser Core-On-Vehicle Leak Test
- A/C Compressor-External Leak Test
- General Procedures