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 > Vehicle Stability Control System: SM Solenoid Circuit (C1225-C1228,C1468,C1469,C146A,C146B)
    DESCRIPTION These solenoids turn on when signals are received from the skid control ECU (brake actuator assembly) and they control the pressure acting on the wheel cylinders to control the braking force. DTC No. Detection Item DTC Detection Condition ...

    Toyota CH-R Service Manual > Continuously Variable Transaxle System: Pressure Control Solenoid "J" Electrical (Shift Solenoid Valve SLP) (P2822)
    DESCRIPTION According to current control by the ECM, the shift solenoid valve SLP controls primary pulley pressure in accordance with the requested gear ratio to perform gear ratio changes. *1 Spool Valve *2 Sleeve *3 So ...

    © 2017-2019 Copyright www.tochr.net
    0.0271