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HA -138 HEATING, VENTILATION AND AIR CONDITIONING Specification : Approx. 5V 1 12 15 17 19 20 21 22 2 3 4 5 6 7 8 9 10 11 3. Ambient temp. sensor signal v 14 13 16 18 SCMHA6536L 4) Is the measured voltage within specifications? YES Check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. NO Substitute with a known-good A/C Control Unit and check for proper operation. VERIFICATION OF VEHICLE REPAIR EC81091E After a repair, it is essential to verify that the fault has been corrected. 1. Connect scantool and select "Diagnostic Trouble Codes(DTCs)" mode and then clear DTC. 2. Operate the vehicle and monitor the DTC on the scantool. 3. Are any DTCs present? YES Go to the applicable troubleshooting procedure. NO System is performing to specification at this time. |