Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

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Visual Inspection

VISUAL INSPECTION
This inspection will identify modifications or additions to the vehicle operation system that may affect diagnosis.
a. Vehicle modification
b. Electronic add-on items:
- air conditioning
- generators (alternators)
- engine turbos
- cellular telephones
- cruise controls
- CB radios
- linear boosters
- backup alarm systems
- computers
c. Leaks
d. Proper linkage adjustments
e. These items, if not installed properly, will affect powertrain control module or transmission function. Pay particular attention to add on wiring splices in the powertrain control module harness or transmission wiring harness, abnormal tire size, or axle ratio changes.

CHECK Technical Service Bulletins (TSB'S)
Refer to technical service bulletins which pertain to the transaxle concern and follow the procedures.

PERFORM ON-BOARD DIAGNOSIS
After a road test, with the vehicle warm and before disturbing any connectors, perform the Quick Test 2.0 using the New Generation Star Tester or equivalent. Testing and Inspection