Toyota CH-R Service Manual: 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 > Pre-collision System: Diagnostic Trouble Code Chart
    DIAGNOSTIC TROUBLE CODE CHART Pre-collision System DTC No. Detection Item Link C1A02 Vehicle Information Not Obtained C1A10 Front Radar Sensor C1A11 Front ...

    Toyota CH-R Service Manual > Navigation System: "No GPS signal" mark is displayed
    CAUTION / NOTICE / HINT NOTICE: Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Navigation System. Click here When replacing the radio ...

    Toyota CH-R Owners Manual

    Toyota CH-R Service Manual

    © 2017-2024 Copyright www.tochr.net
    0.0094