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

Illumination Circuit
DESCRIPTION The Multiplex network body ECU controls illumination light as shown in the chart below.  Room light assembly (Interior light, luggage component light) and courtesy light wit ...

Taillight Relay Circuit
DESCRIPTION The Multiplex network body ECU controls TAIL relay when signal is received from headlight dimmer switch assembly. WIRING DIAGRAM INSPECTION PROCEDURE 1 PERFORM ACTIVE TEST BY IN ...

Other materials:

TS and CG Terminal Circuit
DESCRIPTION In the sensor check mode, a malfunction of the speed sensor that cannot be detected when the vehicle is stopped is detected while driving. Transition to the sensor check mode can be performed by connecting terminals TS and CG of the DLC3 and turning the ignition switch from off ...

Repair
1. REPAIR REAR WINDOW DEFOGGER WIRE  Clean the broken wire tips with grease, wax and silicone remover.  Place the masking tape along the both sides of the wire.  Thoroughly mix the repair agent (Dupont paste No. 4817). Using a fine tip brush, apply a smal ...

Check that initialization has been completed
(a) Confirm that the data of tire pressure of all tires are displayed on the intelligent tester screen. Tester Display Measurement Item/Range Normal Condition Diagnostic Note TIREPRESS1 ID1 tire inflation pressure (Absolute pressure) / min.: 100 kPa (1 kgf/cm2, 14 ...

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