Toyota RAV4 manuals

Toyota Sienna Service Manual: Parking Brake Switch Circuit

DESCRIPTION

This circuit is from the parking brake switch to the radio and navigation assembly.

WIRING DIAGRAM

WIRING DIAGRAM

INSPECTION PROCEDURE

1 CHECK BRAKE WARNING LIGHT

  1. Check that the brake warning light comes on when the parking brake is applied and goes off when it is released.

OK: The brake warning light operates as specified above.

2 INSPECT PARKING BRAKE SWITCH

INSPECT PARKING BRAKE SWITCH

  1. Disconnect the parking brake switch.
  2.  Measure the resistance according to the value(s) in the table below.

Standard resistance

Standard resistance

3 CHECK HARNESS AND CONNECTOR (PARKING BRAKE SWITCH - RADIO AND NAVIGATION ASSEMBLY)

 CHECK HARNESS AND CONNECTOR

  1. Disconnect the radio and navigation assembly connector R12 and parking brake switch connector P6.
  2.  Measure the resistance according to the value(s) in the table below.

Standard resistance

Standard resistance

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE

Illumination Circuit
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Speaker Circuit
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Other materials:

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Inspection
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Terminals of ECU
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