SAAB WIS ONLINE

ELECTRICAL SPECIFICATION

ELECTRICAL SPECIFICATION


(1)

ABS control module and hydraulic control unit (ABSCM&H/U) connector



Note
• Terminal numbers in ABSCM&H/U connector are as shown in the figure.

• ABS warning light is illuminates when the connector is removed from ABSCM&H/U.


Description Terminal No. (+) — (−) Input/Output signal
Measured value and measuring conditions
ABS wheel speed sensor

(Wheel speed sensor)

Front LH wheel

Ground

16

—

Signal

1 — 16

When the 20 Hz. 0.12 — 1 V

Front RH wheel

Ground

5

—

Signal

6 — 5

When the 20 Hz. 0.12 — 1 V

Rear LH wheel

Ground

2

—

Signal

17 — 2

When the 20 Hz. 0.12 — 1 V

Rear RH wheel

Ground

3

—

Signal

4 — 3

When the 20 Hz. 0.12 — 1 V

Valve relay power supply *1

14 — 15

10 — 15 V

Motor relay power supply *1

13 — 15

10 — 15 V

G sensor

Power supply

24 — 10

4.75 — 5.25 V

Ground

10

—

Output

21 — 10

2.1 — 2.5 V when the vehicle is on a level surface

Stop light switch *1

20 — 15

Less than 1.5 V when the stop light is OFF; otherwise, 10 — 15 V when the stop light is ON.

ABS warning light

22 — 15

After turning the ignition switch to ON, 10 — 15 V during 1.5 seconds and less than 1.5 V after 1.5 seconds passed.

Brake warning light (EBD warning light)

8 — 15

After turning the ignition switch to ON, 10 — 15 V during 1.5 seconds and less than 1.5 V after 1.5 seconds passed.

Vehicle Diagnostic Interface

7 — 15

Less than 1.5 V when no data is received.

0 ←→ 12 V pulse (in communication)

Power supply *1

18 — 15

When the ignition switch is ON, 10 — 15 V.

Grounding line

15

—


*1: Measure the I/O signal voltage after removing the connector from the ABSCM&H/U terminal.