Battery voltage 11-14 V (when working on soft top system, always connect battery charger).
RB switch must not blink (section 19.1).
Fuses F24, F24/1 and F1/A O.K.

Electrical wiring diagrams:
Electrical Troubleshooting Manual, Model 124

Note regarding limit switch testing:

TO ENTER CONTROL MODULE DIAGNOSTIC MODE:
1. Ignition: OFF.
2. Bridge sockets 1 and 3 of connector (X11/12) in passenger footwell
( 23, Figure 1.)
3. Ignition: ON.
4. Remove bridge.

IMPORTANT NOTE
The test in the next section ( 23) calls for the connection of the socket box to the power soft top control module in 3 different ways. Connections are distinguished as connections made to the power soft top control module connector X, Y or Z. These are indicated in the test as follows:
X Cp-onnect socket box according to connection diagram "Socket Box to connector X" ( 22, Fig. 4.)
Y Connect socket box according to connection diagram "Socket Box to connector Y" ( 22, Fig. 5.)
Z Connect socket box according to connection diagram "Socket Box to connector Z" ( 22, Fig. 6.)