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AUTO A/C DIAGNOSIS TSB Revision AUTOMATIC AIR CONDITIONING 55B-5 CAUTION To prevent damage to scan tool MB991502, always turn the Conditioning diagnostic trouble codes. 4. Turn the ignition switch to "LOCK" (OFF) position. Erasing Full Automatic Air Conditioning Required Special Tool: • MB991502: Scan Tool (MUT-II) CAUTION To prevent damage to scan tool MB991502, always turn the Conditioning diagnostic trouble codes. 4. Turn the ignition switch to "LOCK" (OFF) position. DIAGNOSTIC TROUBLE CODE CHART M1554004900043 ACX01539 16-pin MB991502 AI ACX01539 16-pin MB991502 AI DIAGNOSTIC DIAGNOSTIC ITEM REFERENCE 11 Inside air temperature sensor system (open circuit) 12 Inside air temperature sensor system (short circuit) 13 Outside air temperature sensor system (open circuit) 14 Outside air temperature sensor system (short circuit) 15 Heater water temperature sensor system (open circuit) 16 Heater water temperature sensor system (short circuit) 21 Air thermo sensor system (open circuit) |