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 > Maintenance: Front Side Marker Light Bulb
    Components COMPONENTS ILLUSTRATION *1 FRONT SIDE MARKER LIGHT BULB *2 FRONT SIDE MARKER LIGHT SOCKET Removal REMOVAL PROCEDURE 1. REMOVE FRONT SIDE MARKER LIGHT BULB (a) Disconnect the connector. (b) Turn the front side marker light ...

    Toyota CH-R Service Manual > Rear Coil Spring: Removal
    REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during rear coil spring removal/installation are shown below. Necessary Procedures After Parts Removed/ ...

    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
    0.0091