Toyota RAV4 manuals

Toyota Sienna Service Manual: Parking Brake Switch Circuit

DESCRIPTION

The Multiplex network body ECU receives parking brake switch signal.

WIRING DIAGRAM

WIRING DIAGRAM

INSPECTION PROCEDURE

1 READ VALUE OF 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 items below in the DATA LIST, and read the displays on the intelligent tester.

BODY NO.1:

BODY NO.1

2 INSPECT PARKING BRAKE SWITCH ASSEMBLY

  1. Check that there is resistance between the terminal and the body ground when parking brake switch is operated.

Resistance:
ON (When shaft is pressed): No continuity: 10 kΩ or higher
OFF (When shaft is not pressed): Continuity: Below 1 Ω

3 CHECK HARNESS AND CONNECTOR

  1. Disconnect the 1K connector from instrument panel junction block assembly

 CHECK HARNESS AND CONNECTOR

  1. Check the resistance between the terminal 1K-10 of the instrument panel junction block assembly connector side and body ground

 CHECK HARNESS AND CONNECTOR

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE

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Other materials:

Terminals of ECU
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Installation
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Installation
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