Toyota Sienna Service Manual: Headlight Relay Circuit

Toyota Sienna Service Manual: Headlight Relay Circuit

DESCRIPTION

The Multiplex network body ECU controls HEAD relay when signal is received from headlight dimmer switch assembly.

WIRING DIAGRAM

WIRING DIAGRAM

INSPECTION PROCEDURE

1 PERFORM ACTIVE TEST BY INTELLIGENT TESTER

  1. Connect the intelligent tester to DLC3.
  2.  Turn the ignition switch ON and push the intelligent tester main switch ON.
  3.  Select the item below in the ACTIVE TEST and then check that the relay operates

BODY NO. 1:

BODY NO. 1

2 INSPECT HEADLIGHT RELAY

 INSPECT HEADLIGHT RELAY

  1. Inspect headlight relay continuity.

Resistance

Resistance

3 INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY

  1. Measure voltage between the terminal as shown in the chart below

Voltage

Voltage

INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY

REPAIR OR REPLACE HARNESS OR CONNECTOR

Ignition Switch Circuit
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DRL Relay Circuit
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Other materials:

High pitched horn
COMPONENTS REMOVAL 1. REMOVE FRONT BUMPER COVER 2. REMOVE HIGH PITCHED HORN  Disconnect the connector.  Remove the bolt and horn. INSPECTION 1. INSPECT HIGH PITCHED HORN  Apply battery voltage and check operation of the horn, as shown in the table. Standard ...

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  • Toyota Sienna Service Manual: Headlight Relay Circuit

    Toyota Sienna Service Manual: Headlight Relay Circuit

    Toyota Sienna Service Manual: Headlight Relay Circuit

    Toyota Sienna Service Manual: Headlight Relay Circuit

    Toyota Sienna Service Manual: Headlight Relay Circuit

    Toyota Sienna Service Manual: Headlight Relay Circuit

    Toyota Sienna Service Manual: Headlight Relay Circuit

    Toyota Sienna Service Manual: Headlight Relay Circuit

    Toyota Sienna Service Manual: Headlight Relay Circuit

    Toyota Sienna Service Manual: Headlight Relay Circuit

    Toyota Sienna Service Manual: Headlight Relay Circuit

    Toyota Sienna Service Manual: Headlight Relay Circuit

    Toyota Sienna Service Manual: Headlight Relay Circuit

    Toyota Sienna Service Manual: Headlight Relay Circuit

    Toyota Sienna Service Manual: Headlight Relay Circuit

    Toyota Sienna Service Manual: Headlight Relay Circuit

    Toyota Sienna Service Manual: Headlight Relay Circuit

    Toyota Sienna Service Manual: Headlight Relay Circuit

    Toyota Sienna Service Manual: Headlight Relay Circuit

    Toyota Sienna Service Manual: Headlight Relay Circuit

    Toyota Sienna Service Manual: Headlight Relay Circuit

    Toyota Sienna Service Manual: Headlight Relay Circuit

    Toyota Sienna Service Manual: Headlight Relay Circuit

    Toyota Sienna Service Manual: Headlight Relay Circuit

    Toyota Sienna Service Manual: Headlight Relay Circuit

    Toyota Sienna Service Manual: Headlight Relay Circuit

    Toyota Sienna Service Manual: Headlight Relay Circuit