Toyota CH-R Service Manual: Horn Circuit

NOTICE:

• Before replacing the main body ECU (multiplex network body ECU), refer to REGISTRATION*1.

  Click here

  *1: w/ Smart Key System

• Inspect the fuses for circuits related to this system before performing the following procedure.

Engine Hood Courtesy Switch Circuit

DESCRIPTION The hood courtesy switch is built into the hood lock assembly. This switch turns on when the hood is closed and turns off when the hood is opened. WIRING DIAGRAM CAUTION / NOTICE / ...

Security Horn Circuit

DESCRIPTION When the theft deterrent system is switched from the armed state to the alarm sounding state, the main body ECU (multiplex network body ECU) transmits a signal to cause the security h ...

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