Toyota Venza: Navigation Voice Circuit
DESCRIPTION
This circuit is used when the voice switch of the steering pad switch assembly is pushed.
Using this circuit, the navigation receiver assembly sends signals to the stereo component amplifier assembly.
WIRING DIAGRAM
PROCEDURE
|
1. |
CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY - STEREO COMPONENT AMPLIFIER ASSEMBLY) |
(a) Disconnect the E39 navigation receiver assembly connector.
(b) Disconnect the E14 stereo component amplifier assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester connection |
Condition |
Specified condition |
|---|---|---|
|
E39-2 (RL+) - E14-15 (II1+) |
Always |
Below 1 Ω |
|
E39-6 (RL-) - E14-14 (II1-) |
Always |
Below 1 Ω |
|
E14-15 (II1+) - Body ground |
Always |
10 kΩ or higher |
|
E14-14 (II1-) - Body ground |
Always |
10 kΩ or higher |
|
E14-18 (SLD1) - Body ground |
Always |
10 kΩ or higher |
| OK | .gif) |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
| NG | |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
AVC-LAN Circuit
DESCRIPTION
Each unit of the navigation system connected to the AVC-LAN (communication bus)
transmits switch signals via AVC-LAN communication.
If a short to +B or short to ground occurs in the AV ...
Vehicle Speed Signal Circuit between Stereo Component Amplifier and Combination
Meter
DESCRIPTION
The stereo component amplifier assembly receives a vehicle speed signal from
the combination meter assembly to control the ASL function.
HINT:
A voltage of 12 V or 5 V is outp ...
Other materials about Toyota Venza:
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
NOTICE:
After replacing the stereo component tuner assembly of vehicles subscribed to
pay-type satellite radio broadcasts, XM radio ID registration is necessary (w/ SDARS
System).
HINT:
Use the table below to help determi ...
Dtc Check / Clear
DTC CHECK / CLEAR
1. CHECK DTC
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Turn the clearance sonar main switch on.
(d) Turn the Techstream on.
(e) Enter the following menus: Body Electrical / Intuitive P/A / DTC.
(f) ...
SD Card Communication Malfunction (B158C)
DESCRIPTION
The navigation receiver assembly stores this DTC when the SD card (disc player
disc) cannot be mounted when inserted into the SD card (disc player disc) slot.
DTC No.
DTC Detection Condition
Trouble Area
...
0.1596