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

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