9-5 Aero (9600) L4-2.3L Turbo (B235) HO (2000)
![background image](/saab/9-5_aero_(9600)/l4-2.3l_turbo_(b235)_ho/Page-2626026.png)
Horn switch See: Horn Failure / Steering Wheel Controls Partly Inoperative/Checking Test Value
Radio control buttons. See: Horn Failure / Steering Wheel Controls Partly Inoperative/Checking the Horn Switch Grounding
Checking Test Value
Checking Test Value
^
Contact SID.
^
Turn the ignition switch to the ON position.
Test value; Horn Button (SID)
The reading should be: OFF
Checking the wiring harness
Jiggle the leads and in-line connectors at several places and in different directions to reveal intermittent breaks and short circuits in the wiring harness.
Observe the multimeter, lest lamp or diagnostic tool while doing this.
Is the function correct?
NO
^
See: Horn Failure / Steering Wheel Controls Partly Inoperative/Checking the Horn Switch Grounding
YES ^
Continue with Checking Test Value