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:

Horn
Components COMPONENTS ILLUSTRATION Inspection INSPECTION PROCEDURE 1. INSPECT LOW PITCHED HORN ASSEMBLY (a) Apply battery voltage and check the operation of the low pitched horn assembly according to the table below. OK: ...

Check CAN Bus Line for Short to +B
DESCRIPTION There may be a short circuit between the CAN bus main wire and +B when no resistance exists between terminals 6 (CANH) and 16 (BAT) or 14 (CANL) and 16 (BAT) of the DLC3. Symptom Trouble Area No resistan ...

Transmitter Battery(w/o Smart Key System)
Replacement REPLACEMENT PROCEDURE 1. REMOVE TRANSMITTER HOUSING COVER (a) Using a precision screwdriver with its tip wrapped in protective tape, pry open the transmitter housing cover. NOTICE: Do not forcibly pry the cover. HINT: ...