SAAB WIS ONLINE

CHECK POWER SUPPLY

CHECK POWER SUPPLY

TROUBLE SYMPTOM:

Cruise control is not turned to ON.

WIRING DIAGRAM:


CHECK POWER SUPPLY.

Turn the ignition switch to OFF.

Disconnect the cruise control module harness connector.

Turn the ignition switch to ON.

Measure the voltage between harness connector terminal and chassis ground.

Connector & terminal

(B94) No. 12 (+) — Chassis ground (−):

Is the voltage more than 10 V?

Yes


No

• Check the fuse No. 18 (in fuse & relay box).

• Check the harness for open or short between cruise control module and fuse & relay box.


CHECK GROUND CIRCUIT.

Turn the ignition switch to OFF.

Measure the resistance between harness connector terminal and chassis ground.

Connector & terminal

(B94) No. 6 — Chassis ground:

Is the resistance less than 10 Ω?

Yes

Power supply and ground circuit are OK.


No

Repair the harness.