AC–30 AIR CONDITIONING SYSTEM – TROUBLESHOOTING Blinking Light B L Ambient Temperature Sensor Circuit CIRCUIT DESCRIPTION This sensor detects the ambient temperature and sends the appropriate signals to the A/C amplifier. Diagnostic Sensor Check Detecting Condition | Trouble Area Open or short in ambient temperature sensor circuit. | • Ambient temperature sensor • Harness or connector between ambient tempera– ture sensor and A/C amplifier • A/C amplifier WIRING DIAGRAM A/C Amplifier 5 V P-B 11 P-B 7 P-B 6 IB6 IF3 A13 TAM 2 Ambient Temp. Sensor 1 V-W 3 V-W 8 V-W 9 IB6 IF3 A13 SG N08814