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HA -118 HEATING, VENTILATION AND AIR CONDITIONING * * 3 4 5 6 7 3. Motor (Rec) 5. Potentiometer ground 6. Potentiometer signal 7. Sensor reference voltage(+5V) Ω SCMHA6523L 4) Is the measured resistance within specifications? YES Go to "Power circuit Inspection" procedure. NO Check for short to ground in signal harness. Repair as necessary and go to "Verification of Vehicle Repair" POWER SUPPLY CIRCUIT INSPECTION E638022A 1. Check for short or open in harness. 1) Ignition "ON" 2) Connect Intake Potentiometer. 3) Measure voltage between terminal "7" of Intake Potentiometer and chassis ground. Specification : Approx. 5V * * 3 4 5 6 7 3. Motor (Rec) 5. Potentiometer ground 7. Sensor reference voltage(+5V) v SCMHA6524L 4) Is the measured voltage within specifications? YES Go to "Component inspection" procedure. NO Check for short or open in power harness. Repair as necessary and go to "Verification of Vehicle Repair" pro- |