Toyota Venza: Reverse Signal Circuit

Toyota Venza Service Manual / Audio / Video / Audio And Visual System / Reverse Signal Circuit

DESCRIPTION

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

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.

GO TO LIGHTING SYSTEM

2.	CHECK HARNESS AND CONNECTOR (REVERSE SIGNAL)

(a) Disconnect the E42 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
E42-2 (REV) - Body ground	Ignition switch ON Shift lever in R	11 to 14 V
E42-2 (REV) - Body ground	Ignition switch ON Shift lever in any position other than R	Below 1 V

Tester Connection

Condition

Specified Condition

E42-2 (REV) - Body ground

Ignition switch ON

Shift lever in R

11 to 14 V

E42-2 (REV) - Body ground

Ignition switch ON

Shift lever in any position other than R

Below 1 V

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

REPAIR OR REPLACE HARNESS OR CONNECTOR

Data Signal Circuit between Radio Receiver and Extension Module

DESCRIPTION The stereo component tuner assembly sends the image data signal to the radio and display receiver assembly via this circuit. WIRING DIAGRAM PROCEDURE 1. CHEC ...

Microphone Circuit between Microphone and Radio Receiver

DESCRIPTION The radio and display receiver assembly and inner rear view mirror assembly (amplifier microphone assembly) are connected to each other using the microphone connection detection signa ...

Other materials about Toyota Venza:

Cold Start Ignition Timing Performance (P050B)
DESCRIPTION This monitor will run when the engine is started at an engine coolant temperature of -10 to 50°C (14 to 122°F). The DTC is stored after the engine idles for 13 seconds (2 trip detection logic). The DTC is designed to monitor the ignition ti ...

Terminals Of Ecu
TERMINALS OF ECU 1. CHECK POWER BACK DOOR ECU (POWER BACK DOOR MOTOR UNIT) (a) Disconnect the L20 ECU connector. (b) Measure the voltage and resistance according to the value(s) in the table below. Tester Connection Wiring Color ...

Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART If a trouble code is displayed during the DTC check, check the parts listed for that code in the table below and proceed to the appropriate page. HINT: The steering lock ECU does not store DTCs regarding the past problems. S ...