FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Diagnostic Flow Chart

Diagnostic Flow Chart





WARNING: If equipped with fire suppression system, refer to Fire Suppression System for Important Safety Warnings. Failure to follow this instruction may result in serious personal injury.

^ Know and understand the customer concerns
^ Check the fluid level and condition
^ Verify the concern by operating the vehicle
^ Check for non-factory-installed items and verify correct installation
^ Check the selector lever linkage adjustments
^ Check TSBs for vehicle concerns
^ Carry out quick test both key ON/engine running (KOER) and key ON/engine OFF (KOEO)
^ Record all codes

Diagnostic Flow Chart

Diagnostic Flow Chart (Part 1):




Diagnostic Flow Chart (Part 2):