Control module connection

WARNING: This page is about a different car, the 2004 Saab 9-5. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Control Module Connection

Courtesy of SAAB-SCANIA OF AMERICA, INC.

CONTROL MODULE CONNECTION SPECIFICATION

Pin no.	Component/ function	In/Out	Test conditions	Across	Test value	See
1	Power supply +54	In	Turn Ignition On	1-4	B+	FUSES & CIRCUIT BREAKERS
1	Power supply +54	In	Turn Ignition On	1-B+	<0.5V	FUSES & CIRCUIT BREAKERS
2	Wiper motor	In	Windscreen wipers Activated	2-4	B+
2	Wiper motor	In	Front Wiper Park Switch	2-4	<0.5 V
3	Wiper stalk potentiometer	In	IGNITION OFF Control module not connected Low sensitivity	3-4	0.7-1.4 kO
3	Wiper stalk potentiometer	In	IGNITION OFF Control module not connected High sensitivity	3-4	0-0.7 kO
4	Ground	In	Turn Ignition On	4-B+	B+	FUSES & CIRCUIT BREAKERS
4	Ground	In	Turn Ignition On	4-B-	<0.5 V
5	High speed, wiper stalk switch position 3	In	Turn Ignition On Wiper stalk switch in position 3	5-4	B+
5	High speed, wiper stalk switch position 3	In	Turn Ignition On Wiper stalk switch in position 3	5-B+	<0.5 V
6	Washer, wiper stalk switch	In	Washer Activated	6-4	B+
7	Low speed High speed	Out	Wiper stalk switch, auto position	7-4	<0.5 V
8	High speed	Out	Wiper stalk switch, auto position	8-4	<0.5 V
9	No connection