Control module connection

Fig 1: Identifying Control Module Connection

Courtesy of SAAB-SCANIA OF AMERICA, INC.

CONTROL MODULE CONNECTION REFERENCE

Pin No.	Component/function	In/Out	Test conditions	Across	Test value
1	Power supply +54	In	Turn Ignition On	1-4	B+
1	Power supply +54	In	Turn Ignition On	1-B+	< 0.5V
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+
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