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:
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 ...
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT COOLER CONDENSER ASSEMBLY
(a) If the cooler condenser assembly fins are dirty, clean them with water and
dry with compressed air.
NOTICE:
Do not damage the cooler condenser assembly fins.
(b) If any cooler con ...
Reassembly
REASSEMBLY
PROCEDURE
1. INSTALL FRONT BLOWER MOTOR SUB-ASSEMBLY
(a) Install the front blower motor sub-assembly with the 3 screws.
2. INSTALL AIR INLET SERVO MOTOR SUB-ASSEMBLY
(a) Insta ...
0.1768