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HA -178 HEATING, VENTILATION AND AIR CONDITIONING Operating condition Voltage Note Right after IGN "ON" 2.5V ± 0.3V preheating(35 ± 2sec) Normal 4.3V ± 0.3V Intake door : Fresh Gas detected 0.9V ± 0.3V Intake door : Recirculation Specifications : Voltage value of AQS sensor as a function of position of operating condition. 4) Is the measured voltage within specifications? YES Check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. NO Substitute with AQS sensor and check for proper operation. VERIFICATION OF VEHICLE REPAIR EF0A99CE 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. |