P1805

P1805 BRAKE SWITCH

Description
Brake switch signal is applied to the ECM through the stop lamp switch when the brake pedal is depressed. This signal is used mainly to decrease the engine speed when the vehicle is driving.

DTC Logic




DTC Detection Logic

Step 1:

DTC Confirmation Procedure

Step 1-3:

Step 3 (Continued)-7:

Diagnostic Procedure

Step 1-2:

Step 2 (Continued):

Component Inspection (Stop Lamp Switch)