Checking the power supply

Fig 1: Identifying Ignition ON

GLL101051

Courtesy of VOLVO CARS OF NORTH AMERICA.

Ignition on.
Check the power supply cable from the ignition switch to connector terminal #1 on the immobilizer antenna unit. Check for an open-circuit. Check for loose connections. Check for contact resistance and oxidation.

Remedy as necessary.

Other information
- See Antenna unit, start inhibitor, replacing
- See Checking wiring and terminals
Fig 2: Breakout Box
Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 3: Identifying Ignition Switch Bulb
Courtesy of VOLVO CARS OF NORTH AMERICA.

Continue
Refer to Checking the signal cable