Electrical Specification

Fig 1: Identifying Engine Control Module Terminals

Courtesy of SAAB-SCANIA OF AMERICA, INC.

TECHNICAL DATA - ELECTRICAL SPECIFICATION

Content		Terminal No.	Measuring condition and I/O signal (ignition switch ON and engine idling Except cruise set light)
Clutch switch		B32	Battery voltage is present when the clutch pedal is released. "0" volt is present when the clutch pedal is depressed.
Cruise set indicator light		A16	(Press the main switch and drive the vehicle at 40 km/h (25 MPH) or more.) Battery voltage is present when the set switch is turned to OFF. "0" volt is present when the set switch is turned to ON.
Cruise indicator light		A15	Battery voltage is present when the main switch is turned to OFF. "0" volt is present when the main switch is turned to ON.
Main power supply	VB (CONTROL 1) VB (CONTROL 2)	B6 B5	Battery voltage is present when the main power supply is turned to ON. "0" volt is present when the main power supply is turned to OFF.
Vehicle speed signal		B27	Lift-up the vehicle until all four wheels are raised off the ground, and then rotate any wheel manually. Approx. "5 V" and "0 V" pulse signals are alternately input to ECM.
SET/COAST switch		C11	Battery voltage is present when the cruise control command switch is turned to SET/COAST position. "0" volt is present when the cruise control command switch is released.
RES/ACC switch		C1	Battery voltage is present when the cruise control command switch is turned to RES/ACC position. "0" volt is present when the cruise control command switch is released.
Brake switch 1 (Brake switch)		C9	Battery voltage is present when the brake pedal is released. "0" volt is present when the brake pedal is depressed.
Brake switch 2 (Stop light switch)		C8	Battery voltage is present when the brake pedal is depressed. "0" volt is present when the brake pedal is released.
Cruise control main switch		C7	Battery voltage is present while the cruise control main switch is depressed or is turned to ON. "0" volt is present when the cruise control main switch is turned to OFF.
Ground	GND (CONTROL 1) GND (CONTROL 2)	D2 D1	-
Ignition switch		D15	Battery voltage is present with the ignition switch is turned to ON. "0" volt is present when the ignition switch is turned to OFF.
Neutral position switch (MT model)		D9	Battery voltage is present when the shift lever is in anywhere except neutral position. "0" volt is present when the shift lever is in neutral position.
Neutral signal (AT model)		D9	"Approx. 5 V" voltage (4AT model) or battery voltage (5AT model) is present when the shift lever is set in any position except "P" or "N". "0 V" voltage is present when the shift lever is set in "P" or "N" position.