Preparation For Test

Preliminary work: Diagnosis Diagnostic Trouble Code (DTC) Memory. Testing and Inspection

1. Ignition: OFF
2. Remove covering from left instrument panel.
3. Remove diagnostic module (N59).
4. Connect socket box with test cable (according to connection diagram below).

Special Tools:

Conventional Equipment
Digital multimeter:* Sun DMM-5
Fluke models 23, 63, 85, 87

*Available through the MBNA Standard Equipment Program.

Connection Diagram - Socket Box:

003 Multimeter
004 Socket box (3b-pole)
086 Test cable
N59 Diagnostic module

Terminal Layout Of Diagnostic Module:

1 Main ground (behind instrument cluster, W1)
2 Ground bridge, coding
3 Voltage supply, circuit 87
4 Voltage supply, circuit 30 (fuse 9)
5 Not used
6 Diagnostic wire at diagnostic connector X11/21
7 Not used
8 Not used
9 "CHECK ENGINE" malfunction indicator lamp (MIL)
10 Main ground
(behind instrument cluster, W1)
11-17 Not used
18 Diagnostic module pressure sensor
19-21 Not used
22 Diagnostic module pressure sensor
H Dataline (+)
Controller Area Network
(Engine control module, electronic accelerator/cruise control/idle speed control module)
L Data line (-)
Controller Area Network
(Engine control module, electronic accelerator/cruise control/idle speed control module)