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MANUAL A/C DIAGNOSIS TSB Revision HEATER, AIR CONDITIONING AND VENTILATION 55A-103 STEP 4. Recheck for diagnostic trouble code. Check again if the DTC is set. 1. Turn the ignition switch to the "ON" position. Q: Is the check result satisfactory? YES : A poor connection, open circuit or other intermittent malfunction is present in the lines between the NO : Replace the powertrain control module. On completion, check that the DTC is not reset. STEP 5. Recheck for diagnostic trouble code. Check again if the DTC is set. 1. Turn the ignition switch to the "ON" position. Q: Is the check result satisfactory? YES : A poor connection, open circuit or other intermittent malfunction is present in the lines between the NO : Replace the A/C-ECU. On completion, check that the DTC is not reset. AC305412 AB MB991910 DATA LINK CONNECTOR MB991824 MB991827 AC305412 AB MB991910 DATA LINK CONNECTOR MB991824 MB991827 |