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EVAPORATOR TEMPERATURE SENSOR CIRCUIT OPEN (CONTINUED) 2. CHECK (C21) EVAPORATOR TEMPERATURE SENSOR SIGNAL CIRCUIT & (C121) SENSOR GROUND Turn the ignition off. Reconnect the A/C Heater Control C1 harness connector. Disconnect the Evaporator Temperature Sensor harness connector. Connect a jumper wire between the (C21) Evaporator Temperature Turn the ignition on. With the DRBIII T in Sensor Display, read the Evaporator Temperature Sensor voltage. Is the voltage below 0.10 volts? Yes >> Replace the Evaporator Temperature Sensor in accor- dance with the Service Information. Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 ELECTRICAL/ELECTRONIC CONTROL MODULES/ FRONT CONTROL MODULE - DIAGNOSIS AND TEST- No >> Go To 3 3. CHECK (C21) EVAPORATOR TEMPERATURE SENSOR SIGNAL CIRCUIT FOR AN OPEN Turn the ignition off. Remove the jumper wire from the Evaporator Temperature Sensor har- Disconnect the A/C Heater Control C1 harness connector. Measure the resistance of the (C21) Evaporator Temperature Sensor Is the resistance below 5.0 ohms? Yes >> Go To 4 No >> Repair the (C21) Evaporator Temperature Sensor Signal circuit for an open. Perform BODY VERIFICATION TEST – VER 1. (Refer to 8 ELECTRICAL/ELECTRONIC CONTROL MODULES/ FRONT CONTROL MODULE - DIAGNOSIS AND TESTING). 24 - 52 HVAC - ELECTRICAL DIAGNOSTICS DR/DH |