OPERATION CHECK
CHECK FUNCTION
(a) Check that the key reminder warning buzzer sounds.
(1) With the driver door closed, insert the key into the ignition key cylinder and then make sure that the ignition switch is off or ACC.
(2) Check that the buzzer sounds intermittently if the driver door is opened.
(b) Check that the key reminder warning buzzer stops.
(1) Check that the buzzer stops sounding if any of the following operations is performed while the buzzer is sounding:
How To Proceed With Troubleshooting
Problem Symptoms TableToyota CH-R Service Manual > Steering Lock System: System Diagram
SYSTEM DIAGRAM
Circuit Description
Component
Outline
Steering Lock ECU (Steering Lock Actuator or Upper Bracket Assembly)
The steering is locked and unlocked by communicating with the
certification ECU (smart key ECU assembly) and ...
Toyota CH-R Service Manual > Immobiliser System(w/ Smart Key System): Security Indicator Light Does not Blink
DESCRIPTION
The certification ECU (smart key ECU assembly) blinks the security indicator
light (clock assembly) when the immobiliser is set (engine switch off).
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
When using the Techstream with the engine switch off, connect the Techstrea ...