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HA -94 HEATING, VENTILATION AND AIR CONDITIONING 1 2 3 5 4 6 1. Motor(-) 3. Humidity sensor signal 4. In-car sensor temp. signal Ω SCMHA6505L 4) Is the measured resistance within specifications? YES Go to "Power circuit Inspection " procedure. NO Check for short to ground in harness. Repair as necessary and go to "Verification of Vehicle Repair" procedure. POWER SUPPLY CIRCUIT INSPECTION ED180193 1. Check for open in power harness. 1) Ignition "ON" 2) Disconnect Humidity Sensor. 3) Measure voltage value between terminal "5" of Humidity Sensor and chassis ground. Specification : 5V 1 2 3 5 4 6 1. Motor(-) 5. Sensor power (5V) 6. Motor(+) v SCMHA6506L 4) Is the measured voltage within specifications? YES Go to "Component Inspection " procedure. NO Check for open in power harness. Repair as necessary and go to "Verification of Vehicle Repair" procedure. |