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B1602–LEFT SOLAR SENSOR CIRCUIT HIGH (ATC) (CONTINUED) 2. CHECK (G39) SUN SENSOR NO. 1 SIGNAL CIRCUIT FOR A SHORT TO VOLTAGE Turn the ignition off. Disconnect the A/C Heater Control C1 harness connector. Turn the ignition on. Measure the voltage of the (G39) Sun Sensor No. 1 Signal circuit. Is the voltage above 0.2 volts? Yes >> Repair the (G39) Sun Sensor No. 1 Signal circuit for a short to voltage. Perform BODY VERIFICATION TEST – VER 1. (Refer to 8 No >> Replace the A/C Heater Control in accordance with the Service Information. Perform BODY VERIFICATION TEST – VER 1. (Refer to 8 3. CHECK (G939) SUN SENSOR RETURN CIRCUIT FUNCTION Turn the ignition off. Connect a jumper wire between the (G39) Sun Sensor No. 1 Signal Turn the ignition on. With the scan tool in HVAC, select Data Display and read the Left Is the voltage below 0.2 volts? Yes >> Replace the Sun Sensor in accordance with the Service Information. Perform BODY VERIFICATION TEST – VER 1. (Refer to 8 No >> Go To 4 24 - 328 HVAC - ELECTRICAL DIAGNOSTICS WK |