Electrical Diagrams
)l�Diagnostics:
WIRING DIAGRAM
COMPONENT LOCATION
22a Fuse board behind the access panel in the glove box.
102 Fuel pump relay, in the main fuse box behind the glove box.
210 EDU trip computer in the main instrument display panel.
216 ACC control module in the middle of the dashboard.
230 Distribution terminal (+30 circuit) in main fuse box behind the glove box.
289 Control module, anti-theft alarm, on the right-hand side under the dash-board behind the knee shield.
291 ABS control module, on the battery tray.
331 SRS control module, in front part of the centre console under the dashboard.
357Dk Control module, electrically adjustable driver's seat with memory, in the seat.
430 Saab Trionic control module, in the engine bay on the left behind the bulkhead partition.
445 (H16-1) Diagnostics test socket, below the steering wheel.
507 TCS control module, V6, under left-hand seat.
510 Motronic M2.8.1 control module, in the engine bay behind the bulkhead partition.
587 Motronic M5.2 control module, on a bracket under the dashboard.
583 Control module, anti-theft alarm with immobilizer, under the dashboard on the right-hand side behind the knee shield.
589 Saab Trionic OBDII control module, in the engine bay on the left behind the bulkhead partition.
8-Pin Connector
H8-3 Under the driver's seat.
70-Pin Connector
H70-1 In the engine bay, behind the bulkhead partition.
Grounding Points
G3 Grounding point, in the luggage compartment beside the left-hand rear light cluster.
G8 Grounding point, dashboard, by the left-hand front loudspeaker socket.
DESCRIPTION OF OPERATION
For diagnosis of the cars electronic systems, a 16-pin data link connector is located under the dashboard adjacent to the steering column.
Current is supplied to pin 16 of the data link connector via fuse 23. Power ground is connected to pin 4 and signal ground to pin 5.
The following systems are connected to the data link connector:
Pin 4 Power ground
Pin 5 Signal ground
Pin 6 Motronic M2.8.1 control module 510
Pin 7 Control module, Trionic 430 Control module
Motronic M2.8.1 510
Control module, anti-theft alarm with immobilizer 583
Control module, Motronic M5.2 587
Control module, Saab Trionic OBDII 589
Pin8 EDU 210
Control module, ACC 216
Control module, anti-theft alarm (ATA) 289
Control module, ABS 291
Control module, SRS 331
Control module, electrically adjustable driver's seat with memory 357 Dk
Control module, TTS 507
Pin 11 Control module, driver's seat with memory 357Dk
Pin 14 Relay 102
Pin 15 Control module, ABS 291
Pin 16 Power supply (+30 circuit)
FAULT DIAGNOSIS HINTS
1. Check that fuse 23 is intact and supplied with current.
2. Check whether contact can be made with other systems connected to the same pin.
3. Check The Wiring harness, connectors and ground connections.