Toyota RAV4 manuals

Toyota Sienna Service Manual: Security Horn Circuit

DESCRIPTION

During the alarm sounding state, the relay in the ECU turns on and off in a cycle of approximately 0.2 seconds, causing the security horn to sound.

WIRING DIAGRAM

WIRING DIAGRAM

INSPECTION PROCEDURE

1 INSPECT SECURITY HORN ASSEMBLY

INSPECT SECURITY HORN ASSEMBLY

  1. Disconnect the T1 security horn connector.
  2.  Check the operation of the security horn.

Standard

Standard

2 CHECK HARNESS AND CONNECTOR (MULTIPLEX NETWORK BODY ECU - SECURITY HORN ASSEMBLY)

 CHECK HARNESS AND CONNECTOR (MULTIPLEX NETWORK BODY ECU - SECURITY HORN ASSEMBLY)

  1. Disconnect the B8 ECU connector.
  2.  Measure the resistance according to the value(s) in the table below.

Standard resistance

Standard resistance

REPLACE MULTIPLEX NETWORK BODY ECU

Engine Hood Courtesy Switch Circuit
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Ignition Switch Circuit
DESCRIPTION When the ignition switch is turned to the ON position, battery positive voltage is applied to terminal IG of the ECU. When battery positive voltage is applied to terminal IG of the ECU ...

Other materials:

Check mode procedure
1. CHECK MODE (SIGNAL CHECK): DTC CHECK  Connect the intelligent tester to the DLC3. ) Turn the ignition switch to the ON position. ) Select the "SIGNAL CHECK", and proceed checking using the intelligent tester. NOTICE: Select the "SIGNAL CHECK" from the &q ...

Setup menu
You can adjust the audio system to your desired settings. Display “Setup” screen Press the “SETUP” button to display the “Setup” screen. Select to adjust the settings for operation sounds, screen animation, etc. Select to set the voice settings. Select to adjust th ...

Calculation formula for your vehicle
Cargo capacity Total load capacity (vehicle capacity weight) When 2 people with the combined weight of A lb. (kg) are riding in your vehicle, which has a total load capacity (vehicle capacity weight) of B lb. (kg), the available amount of cargo and luggage load capacity will be C lb. ...

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