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HA -106 HEATING, VENTILATION AND AIR CONDITIONING 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 E27080F9 1. Many malfunctions in the electrical system are caused by poor harness and terminals. 2. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or 3. Has a problem been found? YES Repair as necessary and go to "Verification of Vehicle Repair" procedure. NO Go to "Signal circuit inspection" procedure. SIGNAL CIRCUIT INSPECTION EEC01ECA 1. Check for open in harness. 1) Ignition "OFF" 2) Disconnect Passenger’s Air Mix potentiometer. 3) Measure resistance between terminal "6" of Passenger’s Air Mix Potentiometer and terminal "18" of A/C control unit. Specification : Approx. 0 Ω * * 3 4 5 6 7 1 2 3 4 6 9 10 12 13 14 15 16 17 18 19 20 21 22 23 24 * * * * 25 26 3. Motor (Warm) 6. Potentiometer signal 7. Sensor reference voltage(+5V) Ω SCMHA6514L |