Toyota Sienna Service Manual: Horn

Indicator Circuit

DESCRIPTION The indicator displays the location of the obstacle and the approximate distance between the vehicle and the obstacle either by blinking or turning on. WIRING DIAGRAM INSPECTION ...

Horn system

PARTS LOCATION PROBLEM SYMPTOMS TABLE HORN SYSTEM ...

Other materials:

Electronic control
(a) REMOVAL AND INSTALLATION OF BATTERY TERMINAL REMOVAL AND INSTALLATION OF BATTERY TERMINAL NOTICE: Certain systems need to be initialized after disconnecting and reconnecting the cable from the negative (-) battery terminal. (1) Before performing electronic work, disconnect the ...

Removal
1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL CAUTION: Wait for 90 seconds after disconnecting the cable to prevent the airbag working 2. REMOVE FRONT SEAT ASSEMBLY HINT:  Refer to the instructions for removal of the front seat assembly (for flat type).  Refer to the ins ...

DTC check / clear
HINT:  Illustrations may differ from the actual vehicle depending on the device settings and options. Therefore, some detailed areas may not be shown exactly the same as on the actual vehicle.  If the system cannot enter the diagnostic mode, inspect all AVC-LAN communication ...