Engine Control System

P1805 BRAKE SWITCH

Description
Brake switch signal is applied to the ECM and hybrid vehicle control ECU 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






DTC Confirmation Procedure

Step 1:

Diagnostic Procedure

Step 1-3:

Step 3 (Continued)-7:

Component Inspection (Stop Lamp Switch)

Step 1-2:

Step 2 (Continued):