Operation CHARM: Car repair manuals for everyone.

Preparation For Test




Preparation for Test:
1. Fuses ok,
2. Battery voltage 11 - 14 V,
3. RCL and CL systems ok,
4. Provide access to PSE control module (A37),
5. Provide access to combination control module (10-3),
6. Connect socket box with test cable according to connection diagram, see Figure 1, below.
7. See Electrical wiring diagrams.






Special Tools

Description Brand, model, etc.:
Digital multimeter Fluke models 23, 77 III, 83, 85, 87

Connection Diagram - Socket Box






Figure 1:
A37 PSE control module
001 PSE control module connector
002 Test cable
003 Multimeter
004/050 Socket box (35-pole)
A ATA test cable
C Central locking test cable