Toyota Venza: AV Signal Stoppage (Low Battery Voltage) (B158F)
DESCRIPTION
This DTC is stored when a video or audio signal is interrupted due to battery voltage input to the navigation receiver assembly dropping temporarily.
|
DTC No. |
DTC Detection Condition |
Trouble Area |
|---|---|---|
|
B158F |
A video or audio signal is interrupted when the battery voltage drops |
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 VEHICLE SIGNAL (OPERATION CHECK) |
|
(a) Enter the "Vehicle Signal Check Mode" screen. Refer to Check Vehicle Signal in Operation Check (See page
|
|
.png)
(b) Check the battery voltage.
Standard Voltage:
11 to 14 V
HINT:
This display is updated once per second.
| NG | .gif) |
GO TO STEP 3 |
|
.gif)
|
2. |
CHECK DTC |
(a) Clear the DTCs (See page .gif)
).
(b) Recheck for DTCs and check that no DTCs are output.
OK:
No DTCs are output.
| OK | |
USE SIMULATION METHOD TO CHECK |
| NG | |
REPLACE NAVIGATION RECEIVER ASSEMBLY |
|
3. |
CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY POWER SOURCE) |
(a) Disconnect the E38 navigation receiver assembly connector.
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
E38-4 (+B1) - Body ground |
Always |
11 to 14 V |
| OK | |
REPLACE NAVIGATION RECEIVER ASSEMBLY |
| NG | |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
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.
...
Stereo Component Amplifier Malfunction (B15A3)
DESCRIPTION
This DTC is stored when a malfunction occurs in the stereo component amplifier
assembly.
DTC No.
DTC Detection Condition
Trouble Area
...
Other materials about Toyota Venza:
Seat Heater Control
Components
COMPONENTS
ILLUSTRATION
Installation
INSTALLATION
PROCEDURE
1. INSTALL SEAT HEATER CONTROL SUB-ASSEMBLY
(a) Engage the clamp and install the seat heater control sub-assembly.
(b ...
Installation
INSTALLATION
PROCEDURE
1. INSTALL STARTER ASSEMBLY
(a) Install the starter with the 2 bolts.
Torque:
37 N·m {377 kgf·cm, 27 ft·lbf}
(b) Connect the starter connector.
...
Removal
REMOVAL
CAUTION / NOTICE / HINT
HINT:
Use the same procedure for the RH side and LH side.
The procedure listed below is for the LH side.
PROCEDURE
1. PRECAUTION
CAUTION:
Be sure to read Precaution thoroughly before servicing (See page
...
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