Toyota CH-R Service Manual: Radio Receiver Power Source Circuit

Toyota CH-R Service Manual / Navigation / Multi Info Display / Navigation System / Radio Receiver Power Source Circuit

DESCRIPTION

This is the power source circuit to operate the radio and display receiver assembly.

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

Inspect the fuses for circuits related to this system before performing the following procedure.

PROCEDURE

1.

CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - POWER SOURCE)

(a) Disconnect the F129 and F131 radio and display receiver assembly connectors.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

F129-1 (GND1) - Body ground

Always

Below 1 Ω

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

Standard Voltage:

Tester Connection

Switch Condition

Specified Condition

F129-4 (+B1) - F129-1 (GND1)

Always

11 to 14 V

F129-15 (ACC1) - F129-1 (GND1)

Engine switch on (ACC)

11 to 14 V

F131-19 (IG) - F129-1 (GND1)

Engine switch on (IG)

11 to 14 V
OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR
    Microphone Circuit
    DESCRIPTION The radio and display receiver assembly, map light assembly and telephone microphone assembly are connected to each other using the microphone connection detection signal lines. Usin ...

    Park Assist / Monitoring
    ...

    Other materials:

    Toyota CH-R Service Manual > Smart Key System(for Entry Function): Open in Front Passenger Side Electrical Antenna Circuit (B27A2)
    DESCRIPTION The certification ECU (smart key ECU assembly) generates a request signal and transmits the signal to the front door outside handle assembly RH (electrical key antenna) at intervals of 0.25 seconds. For the front door outside handle assembly RH (electrical key antenna) to detect w ...

    Toyota CH-R Service Manual > Rear Stabilizer Bar: Installation
    INSTALLATION PROCEDURE 1. INSTALL REAR STABILIZER BUSHING (a) Install the 2 rear stabilizer bushings to the rear stabilizer bar. NOTICE: Be sure to install the rear stabilizer bushings so that each cutout faces the front of the vehicle. 2. INSTALL REAR NO. 1 STABILIZER BAR BRACKET (a) Insta ...

    Toyota CH-R Owners Manual

    Toyota CH-R Service Manual

    © 2017-2021 Copyright www.tochr.net
    0.0182