Toyota Tacoma manuals

Toyota Tacoma 2015-2018 Service Manual: Parking Brake Switch Circuit

DESCRIPTION

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

WIRING DIAGRAM

PROCEDURE

PROCEDURE

1.

CHECK VEHICLE SIGNAL (OPERATION CHECK)

(a) Display the "Vehicle Signal Check Mode" screen (See page ).

(b) Check that the display changes between ON and OFF according to the parking brake operation.

OK:

Parking Brake Condition

Display

Applied

ON

Released

OFF

HINT:

This display is updated once per second. As a result, it is normal for the display to lag behind the actual parking brake operation.

OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

NG

2.

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

(a) Disconnect the N25 navigation receiver assembly connector.

(b) Disconnect the P6 parking brake switch assembly connector.

(c) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

N25-15 (PKB) - P6-1

Always

Below 1 Ω

N25-15 (PKB) - Body ground

Always

10 kΩ or higher

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

OK

3.

INSPECT PARKING BRAKE SWITCH ASSEMBLY

(a) Remove the parking brake switch assembly.

(b) Inspect the parking brake switch assembly.

  • for Hydraulic Brake Booster: See page for Vacuum Brake Booster: See page
  • for Vacuum Brake Booster: See page
OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

NG

REPLACE PARKING BRAKE SWITCH ASSEMBLY

Illumination Circuit
DESCRIPTION Power is supplied to the navigation receiver assembly and steering pad switch assembly illumination when the light control switch is in the TAIL or HEAD position. WIRING DIAGRAM CAU ...

Speaker Circuit
DESCRIPTION If there is a short in a speaker circuit, the stereo component amplifier assembly*1 or navigation receiver assembly*2 detects it and stops output to the speakers. Thus sound cannot be ...

Other materials:

System Diagram
SYSTEM DIAGRAM Component Outline Engine switch Transponder key amplifier Turns on the power and starts the engine. Contains a built-in transponder key amplifier to start the engine when the key does ...

Parking Brake Lever
Components COMPONENTS ILLUSTRATION ILLUSTRATION Installation INSTALLATION PROCEDURE 1. INSTALL PARKING BRAKE SWITCH ASSEMBLY 2. INSTALL PARKING BRAKE LEVER SUB-ASSEMBLY (a) Install the 2 toothed washers and parking brake lever support to the parking brake lever. (b) Install th ...

Front Camera Module Beam Axis Not Adjusted (C1AA9)
DESCRIPTION If forward recognition camera adjustment has not been performed or did not complete normally after the forward recognition camera was replaced with a new one, DTC C1AA9 will be stored. DTC No. Detection Item DTC Detection Condition Troubl ...

© 2011-2022 Copyright www.ttguide.net