Main unit, navigation

The main unit of the navigation system is the DVD/navigation unit, located in the luggage compartment of the car. In addition to carrying out navigation calculations, it also contains a GPS receiver, a DVD player for the digital map and a vibration gyro to keep track of the direction of the car.

If the car is reversed, there is a connection between the reversing light switch and the navigation unit.

Fig 1: Identifying Reversing Light Switch

G03743150

Courtesy of SAAB-SCANIA OF AMERICA, INC.

Wiring diagram

Fig 2: Reversing Light - Wiring Diagram

G03743151

Courtesy of SAAB-SCANIA OF AMERICA, INC.

Vehicle speed is sent from TC-ABS, received by the navigation unit, and incorporated into the navigation calculation.

Fig 3: Identifying Navigation Unit

G03743152

Courtesy of SAAB-SCANIA OF AMERICA, INC.

Wiring diagram

Fig 4: Navigation Unit - Wiring Diagram

G03743153

Courtesy of SAAB-SCANIA OF AMERICA, INC.

The main unit is supplied +30 from fuse 23 in the dashboard main fuse box and grounded in grounding point G40-42.

Fig 5: Identifying Dashboard Main Fuse

G03743154

Courtesy of SAAB-SCANIA OF AMERICA, INC.

Wiring diagram

Fig 6: Dashboard Main Fuse - Wiring Diagram

G03743155

Courtesy of SAAB-SCANIA OF AMERICA, INC.