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HA -190 HEATING, VENTILATION AND AIR CONDITIONING 1 2 3 4 6 9 10 12 13 14 15 16 17 18 19 20 21 22 23 24 * * * * 25 26 * * 3 4 5 6 7 3. Motor (Cool) 5. Sensor reference voltage(+5V) Ω Ω SCMHA6564L 4) Is the measured resistance within specifications? YES Go to "Check for short to ground in harness" procedure. NO Check for open in signal harness. Repair as necessary and go to "Verification of Vehicle Repair" procedure. 2. Check for short to ground in harness. 1) Ignition "OFF" 2) Disconnect Driver Air Mix Actuator. 3) Measure resistance between terminal "3,4" of Driver Air Mix Motor and chassis ground. Specification : Approx. ∞ Ω * * 3 4 5 6 7 3. Motor (Cool) 5. Sensor reference voltage(+5V) Ω Ω SCMHA6565L 4) Is the measured resistance within specifications? YES Go to "Visual/Physical Inspection " procedure. NO Check for short to ground in signal harness. Repair as necessary and go to "Verification of Vehicle Repair" |