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

Toyota CH-R Service Manual / Audio / Video / Audio And Visual System(for Radio And Display Type) / 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 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

F126-4 (+B1) - F129-1 (GND1)

Always

11 to 14 V

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

Ignition switch ACC

11 to 14 V

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

Ignition switch ON

11 to 14 V

*a

Front view of wire harness connector

(to Radio and Display Receiver Assembly)
OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR
    Microphone Circuit
    DESCRIPTION w/o Manual (SOS) Switch: The radio and display receiver assembly, map light assembly and telephone microphone assembly are connected to each other using the microphone conne ...

    Front Door Speaker
    ...

    Other materials:

    Toyota CH-R Service Manual > Wireless Door Lock Control System(w/o Smart Key System): Only Wireless Control Function is Inoperative
    DESCRIPTION The door control and tire pressure monitoring system receiver assembly receives signals from the door control transmitter assembly and sends these signals to the main body ECU (multiplex network body ECU). The main body ECU (multiplex network body ECU) then controls all doors by s ...

    Toyota CH-R Service Manual > Spiral Cable: Components
    COMPONENTS ILLUSTRATION *1 LOWER STEERING COLUMN COVER SUB-ASSEMBLY *2 SPIRAL CABLE WITH SENSOR SUB-ASSEMBLY *3 UPPER STEERING COLUMN COVER - - ...

    Toyota CH-R Owners Manual

    Toyota CH-R Service Manual

    © 2017-2022 Copyright www.tochr.net
    0.0116