Toyota Venza: Navigation Receiver Assembly Power Source Circuit

Toyota Venza Service Manual / Navigation / Multi Info Display / Navigation System / Navigation Receiver Assembly Power Source Circuit

DESCRIPTION

This is the power source circuit to operate the navigation 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 (NAVIGATION RECEIVER ASSEMBLY POWER SOURCE)

(a) Disconnect the E38 and E40 navigation receiver assembly connectors.

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

Standard Resistance:

Tester Connection	Condition	Specified Condition
E38-7 (GND1) - Body ground	Always	Below 1 Ω

Standard Voltage:

Tester Connection	Condition	Specified Condition
E38-4 (+B1) - E38-7 (GND1)	Always	11 to 14 V
E38-3 (ACC1) - E38-7 (GND1)	Ignition switch ACC	11 to 14 V
E40-1 (IG) - E38-7 (GND1)	Ignition switch ON	11 to 14 V

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

REPAIR OR REPLACE HARNESS OR CONNECTOR

Microphone Circuit between Microphone and Navigation Receiver Assembly

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

Park Assist / Monitoring

...

Other materials about Toyota Venza:

Security Indicator Light Circuit
DESCRIPTION The security indicator light blinks continuously due to a continuous signal received from the transponder key ECU assembly while in the armed state. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: If the transponder key ECU assembly is repl ...

Tachometer Malfunction
DESCRIPTION In this circuit, the meter CPU receives engine speed signals from the ECM using the CAN communication system (CAN No. 1 Bus). The meter CPU displays the engine speed calculated based on the data received from the ECM. WIRING DIAGRAM PROCED ...

Radiator Grille
Components COMPONENTS ILLUSTRATION Removal REMOVAL PROCEDURE 1. REMOVE COOL AIR INTAKE DUCT SEAL 2. REMOVE RADIATOR GRILLE (a) Put protective tape around the radiator grille. Text in Illustration *1 ...