Toyota Camry owners & service manuals

Toyota Camry (XV70): Reverse Signal Circuit

DESCRIPTION

The radio and display receiver assembly receives a reverse signal from the BKUP LP relay.

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

OK

2.

CHECK HARNESS AND CONNECTOR (REVERSE SIGNAL)

(a) Disconnect the K3 radio and display receiver assembly connector.

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

Standard Voltage:

Tester Connection

Condition

Specified Condition

K3-28 (REV) - Body ground

Engine switch on (IG)

Shift lever in R

11 to 14 V

K3-28 (REV) - Body ground

Engine switch on (IG)

Shift lever not in R

Below 1 V

OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

    READ NEXT:

     Reverse Signal Circuit between Radio Receiver Assembly and Navigation ECU

    DESCRIPTION This circuit includes the navigation ECU and radio and display receiver assembly. WIRING DIAGRAM PROCEDURE 1. CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY

     Start Up Signal Circuit between Radio Receiver Assembly and Navigation ECU

    DESCRIPTION This circuit includes the navigation ECU and radio and display receiver assembly. WIRING DIAGRAM PROCEDURE 1. CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY

     Voice Guidance Circuit between Radio Receiver and Stereo Component Amplifier

    DESCRIPTION Using this circuit, the radio and display receiver assembly sends signals to the stereo component amplifier assembly. WIRING DIAGRAM PROCEDURE 1. CHECK HARNESS AND CONNECTOR

    SEE MORE:

     DCM Data Signal Circuit between Navigation ECU and DCM

    DESCRIPTION This circuit is used to send and receive signals between the DCM (Telematics Transceiver) and radio and display receiver assembly or navigation ECU. WIRING DIAGRAM PROCEDURE 1. CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - DCM (TELEMATICS TRANSCEIVER))

     Intermediate Shaft Speed Sensor "A" Circuit Short to Battery (P079112,P079114,P079131)

    DESCRIPTION The transmission revolution sensor (NC) detects the rotation speed of the counter gear which shows the output shaft speed of automatic transaxle assembly. Based on the transmission revolution sensor (NC) signal and the transmission revolution sensor (NT) signal, the ECM controls engine

    © 2023-2024 Copyright www.tocamry.com