Toyota CH-R Service Manual: Reverse Signal Circuit

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

DESCRIPTION

The radio and display receiver assembly receives a reverse signal from the park/neutral position switch.

WIRING DIAGRAM

PROCEDURE

1.

CHECK BACK-UP LIGHT

(a) Move the shift lever to R and check if the back-up lights come on.

OK:

The back-up lights come on.

NG

GO TO LIGHTING SYSTEM (for Exterior)

OK

2.

CHECK HARNESS AND CONNECTOR (REVERSE SIGNAL)

(a) Disconnect the radio and display receiver assembly connector.

(b) Measure the voltage according to the value(s) in the table below.

Standard Voltage:

Tester Connection

Switch Condition

Specified Condition

F129-28 (REV) - Body ground

Ignition switch to ON

Shift lever in R

11 to 14 V

F129-28 (REV) - Body ground

Ignition switch to ON

Shift lever in any position other than R

Below 1 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
    Mute Signal Circuit between Radio Receiver and Telematics Transceiver
    DESCRIPTION The telematics transceiver sends a mute signal to the radio and display receiver assembly. The radio and display receiver assembly controls the volume according to the mute signal fr ...

    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 ...

    Other materials:

    Toyota CH-R Service Manual > Wireless Door Lock Control System(w/ Smart Key System): How To Proceed With Troubleshooting
    CAUTION / NOTICE / HINT HINT: The wireless door lock control system troubleshooting procedure is based on the premise that the power door lock control system is operating properly. Check the power door lock control system first before troubleshooting the wireless door lock cont ...

    Toyota CH-R Service Manual > Automatic Headlight Beam Level Control System: Data List / Active Test
    DATA LIST / ACTIVE TEST DATA LIST NOTICE: In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not. HINT: Using the Techstream to read the Data List allows the ...

    Toyota CH-R Owners Manual

    Toyota CH-R Service Manual

    © 2017-2023 Copyright www.tochr.net
    0.0111