9-3 SE Hatchback (9400) L4-2.0L Turbo (B205) HO (2000)
1. Check all grounding points and the power supply to the control module.
2. Using the diagnostic tool, check that all readings are reasonable.
3. Using the diagnostic tool, check that all activations function.
4. If the fault persists, the control module must be replaced.
5. When handling the control module, it is important to ground yourself by touching the engine for example. Avoid touching the pins of the control
module.
YES -
The steps taken to rectify the fault were correct.
Checking Additional Diagnostic Trouble Codes
Checking Additional Diagnostic Trouble Codes
-
Read the diagnostic trouble code
Is diagnostic trouble code B1190 or B2371 present?
See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Diagnostic Trouble Code Tests and Associated Procedures/B
Code Charts/B1190
See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Diagnostic Trouble Code Tests and Associated Procedures/B
Code Charts/B2371
See: Horn Failure/Steering Wheel Switch Unit Failure/NO
Horn Failure/Steering Wheel Switch Unit Failure