|
|
AUTO A/C DIAGNOSIS TSB Revision AUTOMATIC AIR CONDITIONING 55B-65 STEP 1. Using scan tool MB991958, check actuator test CAUTION To prevent damage to scan tool MB991958, always turn the speed" (02 activated), "medium speed" (03 activated), STEP 2. Measure the voltage at blower motor connector (1) Disconnect blower motor connector D-113, and measure the voltage at the harness side. (2) Turn the ignition switch to the "ON" position. (4) Measure the voltage between terminal 1 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 14. AC307591 AB MB991911 DATA LINK CONNECTOR MB991824 MB991827 AC204171 CONNECTOR : D-113 AR HARNESS 1 2 AC204738 DB HARNESS SIDE : D-113 1 2 |