Operation CHARM: Car repair manuals for everyone.

Testing Requirements

TROUBLESHOOTING CONTROL UNIT:

Test Requirements:
Wiring diagram.
Adapter 61 4 450 connected on 26-pin test box.
Microswitch test box 61 4 440.
Multimeter.
Battery charged (control switches off drives when battery voltage drops below 10.5 V).
Fuses OK.
Terminal R switched on continuously.
Microswitches of drives adjusted as specified.


Testing:
Front trunk trim panel removed.
Terminal R switched on continuously.
Adapter 61 4 450 connected on 26-pin test box 61 1 459.
Control unit plug disconnected.
26-pin test box connected on wire harness.
Control unit remains disconnected.
Multimeter used.