|
|
AUTO A/C DIAGNOSIS TSB Revision AUTOMATIC AIR CONDITIONING 55B-25 DIAGNOSIS STEP 1. Communication check with other systems. scan tool MB991502? STEP 2. Measure the voltage at data link connector D-118. voltage at the harness side. (2) Measure the voltage between terminal 16 and ground. • The measured value should be approximately 12 volts (battery positive voltage). Q: Does the measured voltage correspond with this range? YES : Go to Step 5. STEP 3. Check data link connector D-118 for damage. YES : Go to Step 4. 00E, Harness Connector Inspection tool MB991502 should communicate with the vehicle AC204170 CONNECTOR : D-118 AN HARNESS D-118(B) D-118(B) 1 9 2 10 3 11 4 12 5 13 6 14 7 15 8 16 AC204738 DC HARNESS SIDE : D-118 8 16 7 15 6 14 5 13 4 12 3 11 2 10 1 9 AC204170 CONNECTOR : D-118 AN HARNESS D-118(B) D-118(B) 1 9 2 10 3 11 4 12 5 13 6 14 7 15 8 16 |