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HA -102 HEATING, VENTILATION AND AIR CONDITIONING 1.2 CURRENT DATA FIX SCRN FULL PART GRPH HELP -2 C 12.0 C 11.5 C 12.5 C 0.00 V 91.75 % 54.89 % 255 HEATER WATER TEMP. SNSR IN-CAR TEMP. SENSOR AMBIENT AIR TEMP. SNS EVAPORATIVE SENSOR DRIVER PHOTO SENSOR AIR MIX POPENTIO. (DR.) DIRECTION POTENIO. DR. PASSENGER PHOTO SENSOR 1.1 DIAGNOSTIC TROUBLE CODES NUMBER OF DTC : 1 ITEMS PART ERAS HELP B1203 WATER TEMP. SENS - SHORT(LOW) Fig 1 : The current data in abnormal state. Fig. 1 Fig. 2 EQBF513A 4. Are the DTC B1203 present and is parameter of "WATER TEMP. SENSOR" fixed? Parameter of "WATER TEMP. SENSOR" will be fixed at -2℃(28.4 F), if there is any fault in WATER TEMP. SEN- SOR. YES Go to "Inspection" procedure. NO Fault is intermittent caused by poor contact in the sensor’s and/or A/C controller’s connector or was repaired and TERMINAL AND CONNECTOR INSPECTION E4A5AB7F Refer to DTC B1202. SIGNAL CIRCUIT INSPECTION E5290ACF 1. Check for short to ground in harness. 1) Ignition "OFF" 2) Disconnect water temp. sensor. 3) Measure resistance between terminal "1" of water temp. sensor and chassis ground. Specification : Approx. ∞Ω |