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RIGHT HEATER CORE TEMPERATURE SENSOR CIRCUIT (CONTINUED) 7. READ A/C HEATER CONTROL MODULE DTC’S WITH DRB III T Turn the ignition off. Reconnect the Heater Core Temperature Sensor connector. Turn the ignition on. With the DRB III T , read A/C Heater Control Module DTC’s. Wait two minutes. With the DRB III T , read A/C Heater Control Module DTC’s. Does the DRB III T display Right Heater Core Temperature Sen- sor Failure DTC? Yes >> Replace the Heater Core Temperature Sensor. (Refer to 24 - HEATING & AIR CONDITIONING/CONTROLS/TEM- Perform BODY VERIFICATION TEST. No >> Go to 8 8. READ A/C HEATER CONTROL MODULE DTC’S WITH DRB III T Ensure the Heater Core Temperature Sensor is connected at this time. Start the engine. Turn the A/C system on. With the DRB III T , read A/C Heater Control Module DTC’s. Does the DRB III T display Right Heater Core Temperature Sen- sor Failure DTC? Yes >> Replace the Heater Core Temperature Sensor. (Refer to 24 - HEATING & AIR CONDITIONING/CONTROLS/TEM- Perform BODY VERIFICATION TEST. No >> The condition that caused this DTC to set is currently not present. Inspect the related wiring harness for a possible Perform BODY VERIFICATION TEST. ZH HEATING & AIR CONDITIONING - ELECTRICAL DIAGNOSTICS 24 - 19 |