DIAGNOSIS AND REPAIR WORKFLOW
Interview Sheet

Precaution
System descriptionP1805 brake switch
Description
Brake switch signal is applied to the ECM via the stop lamp switch when the
brake pedal is depressed. This
signal is used mainly to decrease the engine speed when the vehicle is being
driver.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATI ...
Horn function
Description
Perform answer-back for each operation with horn.
Component Function Check
1. CHECK FUNCTION
Select HORN in "ACTIVE TEST" mode with CONSULT.
Check the horn (high/low) operation.
Diagnosis Procedure
1. CHECK HORN FUNCTION
Check horn function with horn switch
2. CHECK ...
Steering switch
Removal and Installation
REMOVAL
Remove the driver airbag module. Refer to SR-12, "Removal and
Installation".
Remove the steering wheel audio control switch screws (A).
Release the steering wheel audio control switch harness clips
(B).
Remove the steering wheel audio control switc ...