AUTOMATIC TRANSAXLE DIAGNOSIS
STEP 6. Check harness for short circuit to ground between
YES : Go to Step 7.
STEP 7. Using scan tool MB991502, check data list item 65:
To prevent damage to scan tool MB991502, always turn the
Dual Pressure Switch.
When the A/C is in operation, the scan tool display
When the A/C is not in operation, the scan tool display
(4) Turn the ignition switch to "LOCK" (OFF) position.
Q: Is the switch operating properly?
YES : This malfunction is intermittent. Refer to GROUP 00,
How to Use Troubleshooting/Inspection Service
How to Cope with Intermittent Malfunction
NO : Check the air conditioning system. Refer to GROUP
55A, Troubleshooting Strategy