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

Scan Tool Testing and Procedures






Steering Column Electronic Systems Control Module (J527) Output Diagnostic Test Mode (DTM)

Procedure

- Connect the (Vehicle diagnostic tester).

- Select Guided Fault Finding.

- Use the GO TO button to select the "function/component selection" and the following menu options one after the other:

Body

Electrical Equipment

01 - On Board Diagnostic (OBD) capable systems

16 - Steering wheel electronics

Steering column electronics functions

Output Diagnostic Test Mode (DTM) of steering wheel electronics