Toyota Venza manuals

Toyota Venza: Radio Receiver Power Source Circuit

Toyota Venza Service Manual / Audio / Video / Audio And Visual System / Radio Receiver Power Source Circuit

DESCRIPTION

This is the power source circuit to operate the radio and display receiver assembly.

WIRING DIAGRAM


CAUTION / NOTICE / HINT

NOTICE:

Inspect the fuses for circuits related to this system before performing the following inspection procedure.

PROCEDURE

1.

CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY POWER SOURCE)

(a) Disconnect the E4 and E42 radio and display receiver assembly connectors.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

E4-7 (GND1) - Body ground

Always

Below 1 Ω

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

Standard Voltage:

Tester Connection

Condition

Specified Condition

E4-4 (+B1) - E4-7 (GND1)

Always

11 to 14 V

E4-3 (ACC1) - E4-7 (GND1)

Ignition switch ACC

11 to 14 V

E42-1 (IG) - E4-7 (GND1)

Ignition switch ON

11 to 14 V


OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

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 ...

Front Door Speaker
Components COMPONENTS ILLUSTRATION Removal REMOVAL PROCEDURE 1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL CAUTION: Wait at least 90 seconds after disconnecting the cable from the n ...

Other materials about Toyota Venza:

Hood
Release the lock from the inside of the vehicle to open the hood. Pull the hood release lever. The hood will pop up slightly. Lift the hood catch and lift the hood. Hold the hood open by inserting the supporting rod into the slot. CAUTION  - P ...

Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART HINT: If a trouble code is output during the DTC check, inspect the trouble areas listed for that code. For details of the code, refer to "See page" in the DTC chart. Inspect the fuses and relays before troub ...

Power Mirrors do not Return to Memorized Position
SYSTEM DESCRIPTION If either the M1 or M2 seat memory switch is pressed, the outer mirror control ECU assembly (driver door) detects the seat memory switch status and sends the switch signal to the main body ECU (driver side junction block assembly) via C ...

© 2016-2019 Copyright www.tovenza.com

0.297