Toyota CH-R Service Manual: Parking Brake Switch Circuit

DESCRIPTION

This circuit is from the skid control ECU (brake actuator assembly) to the radio and display receiver assembly.

WIRING DIAGRAM

PROCEDURE

1.

CHECK ELECTRIC PARKING BRAKE SYSTEM

(a) Check the operation of the electric parking brake.

Click here

NG

GO TO ELECTRIC PARKING BRAKE SYSTEM

OK

2.

CHECK HARNESS AND CONNECTOR (SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY) - RADIO AND DISPLAY RECEIVER ASSEMBLY)

(a) Disconnect the F131 radio and display receiver assembly connector.

(b) Disconnect the A42 skid control ECU (Brake Actuator Assembly) connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

F131-20 (PKB) - A42-33 (PKB)

Always

Below 1 Ω

F131-20 (PKB) - Body ground

Always

10 kΩ or higher

OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

    Illumination Circuit
    DESCRIPTION Power is supplied to the radio and display receiver assembly and steering pad switch assembly illumination when the light control switch is in the tail or head position. WIRING DIAGR ...

    Speaker Circuit
    DESCRIPTION If there is a short in a speaker circuit, the radio and display receiver assembly detects it and stops output to the speakers. Thus sound cannot be heard from the speakers even if ther ...

    Other materials:

    Toyota CH-R Service Manual > Brake System: Precaution
    PRECAUTION NOTICE: This vehicle is equipped with an SRS (Supplemental Restraint System). Failure to carry out service operations in the correct sequence could cause the SRS to unexpectedly deploy during servicing. This may cause a serious accident. Before servicing (including i ...

    Toyota CH-R Service Manual > Power Window Control System: Initialization
    INITIALIZATION INITIALIZE POWER WINDOW CONTROL SYSTEM (ALL DOORS) NOTICE: When a door window regulator sub-assembly, power window regulator motor assembly, door glass or door glass run is reinstalled or replaced, the power window control system must be initialized. Functions such ...

    Toyota C-HR (AX20) 2023-2026 Owner's Manual

    Toyota CH-R Owners Manual

    Toyota CH-R Service Manual

    © 2017-2026 Copyright www.tochr.net
    0.009