P1805 / INF923
P1805-903, P1805-923Description
The brake switch signal is applied to the hybrid vehicle control ECU through the stop lamp switch when the brake pedal is depressed. The brake ECU also receives the stop lamp signal and sends this signal as a brake switch signal to the hybrid vehicle control ECU through CAN communication line.
The hybrid vehicle control ECU performs the rationality check for these two input signals.
DTC Logic
DTC Detection Logic
DTC Confirmation Procedure
Step 1:
Diagnostic Procedure
Step 1-3:
Step 3 (Continued)-6:
Component Inspection (Stop Lamp Switch)
