Operation CHARM: Car repair manuals for everyone.

Preparation For Test


1. Battery voltage 11-14 V.
2. Fuses F1/1-1, F1/1-7 okay.
3. Central locking system okay.
4. RCL system okay.
5. Parking lamps, headlamps and brake lamps okay.

See Electrical Wiring Diagrams.

Special Tools:





Description Brand, model, etc.:
Digital multimeter 1) Fluke models 23, 83, 85, 87

1) Available through the MBNA Standard Equipment Program.

Connection Diagram - Socket Box (Fig. 1):




001 ATA control module connector
002 Test cable
003 Digital multimeter
004/050 Socket box
F4 Fuse box in trunk
N26 ATA control module
N54 RCL control module