ML 320 (163.154) V6-3.2L (112.942) (1998)
For an overview of the valid symbols used see Section 0.
The symbol indicates a new section.
When a wire is listed in the "possible cause/Remedy" column, all connectors "between the control unit and the component being tested are to be included
as as possible failure source.
NOTE: When using the 126 socket Socket Box Tester, see the appropriate wiring diagram at the end of the test program
Function Test - Section 11
Function Test Explanation
Function Test:
Tune-in a weak radio station (music).
Set fader, bass, treble and balance to center range (RESET reading in display window).
Verify reception quality of AM and FM band by driving a 360° circle (in a large parking lot) while performing road test.
Compare function test results against identical vehicle (with integrated antenna) from dealer stock. Tune-in same radio station, ensure that the settings
are set to position 0 and perform same road test as above and over same course.
If components are replaced, repeat entire function test.
Component Locations - Section 21
Hi-Line Radio