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 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 > Front Lower Ball Joint: On-vehicle Inspection
    ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT FRONT LOWER BALL JOINT ASSEMBLY (a) Check for looseness. (1) Lift up the vehicle. (2) Move the front lower No. 1 suspension arm sub-assembly up and down by hand with a force of 294 N (30 kgf) or more to check that there is no loo ...

    Toyota CH-R Service Manual > Power Door Lock Control System: Parts Location
    PARTS LOCATION ILLUSTRATION *A w/ Smart Key System *B w/o Smart Key System *C w/o Toyota Safety Sense P *D w/ Toyota Safety Sense P *1 FRONT SEAT INNER BELT ASSEMBLY LH ...

    © 2017-2020 Copyright www.tochr.net
    0.0176