9-5 Sedan (9600) L4-2.3L Turbo (B235) (2000)
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Is diagnostic trouble code B1190 or B2371 present?
B1190 See: Horn Failure / Steering Wheel Controls Partly Inoperative/Checking the Fuse
B2371 See: Horn Failure / Steering Wheel Controls Partly Inoperative/Checking the Horn Switch Grounding
NO See: Horn Failure / Steering Wheel Controls Partly Inoperative/Checking the Fault Symptoms
Checking the Fuse
Checking The Fuse
^
Check fuse 3 in the main fuse board, engine bay.
Is the function correct?
NO
^
Continue with Checking the fuse.
YES ^
See: Horn Failure / Steering Wheel Controls Partly Inoperative/Checking the Relay Power Supply
Change the fuse
After performing this procedure See: Horn Failure / Steering Wheel Controls Partly Inoperative/Final Check - I
Checking the Relay Power Supply
Checking The Relay Power Supply
^
Remove component: Horn relay
