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 radio and display receiver assembly dropping temporarily.
|
DTC No. |
DTC Detection Condition |
Trouble Area |
|---|---|---|
|
B158F |
A video or audio signal is interrupted when the battery voltage drops |
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 VEHICLE SIGNAL (OPERATION CHECK) |
|
(a) Enter the "Vehicle Signal Check Mode" screen. Refer to Check Vehicle
Signal in Operation Check (See page |
|
(b) Measure 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 | |
END |
| NG | |
REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY |
|
3. |
CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY POWER SOURCE) |
(a) Disconnect the E4 radio and display receiver assembly connector.
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
E4-4 (+B1) - Body ground |
Always |
11 to 14 V |
| OK | |
REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY |
| NG | |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
XM Tuner Malfunction (B15BA)
DESCRIPTION
These DTCs are stored when a malfunction occurs in the stereo component tuner
assembly.
DTC No.
DTC Detection Condition
Trouble Area
B ...
Voice Recognition Microphone Disconnected (B1579)
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 ...
Other materials about Toyota Venza:
Removal
REMOVAL
PROCEDURE
1. REMOVE REAR WHEELS
2. REMOVE CENTER EXHAUST PIPE ASSEMBLY
(a) Remove the center exhaust pipe assembly.
HINT:
Refer to the instructions for Removal of the exhaust pipe (See page
for 2GR-FE,
for 1AR-FE).
3. REMOVE LOWER NO. 1 EXH ...
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms.
If multiple suspected areas are listed, the potential causes of the symptoms
are listed in order of probability in the "Suspected Area" ...
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 ...
0.2183