Toyota 4Runner: 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. |
Detection Item |
DTC Detection Condition |
Trouble Area |
|---|---|---|---|
|
B158F |
AV Signal Stoppage (Low Battery Voltage) |
A video or audio signal is interrupted when the battery voltage drops |
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing the following 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
| 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 (See page
).
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 G48 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 |
|---|---|---|
|
G48-4 (B) - Body ground |
Always |
11 to 14 V |
|
*a |
Front view of wire harness connector (to Radio and Display Receiver Assembly) |
| 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 Code
DTC Detection Condition
Trouble Area
...
USB Device Malfunction (B1585)
DESCRIPTION
This DTC is stored when a malfunction occurs in a connected device.
DTC No.
DTC Detection Condition
Trouble Area
B1585
USB De ...
Other materials about Toyota 4Runner:
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 the "See page" below.
Wireless Door Lock Control System
DTC Code
...
Event data recorder
This vehicle is equipped with an event data recorder (EDR). The main purpose
of an EDR is to record, in certain crash or near crash-like situations, such as
an air bag deployment or hitting a road obstacle, data that will assist in
understanding how a ve ...
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