Last Modified: 04-05-2023 |
6.11:8.1.0 |
Doc ID: RM1000000018ZZZ |
Model Year Start: 2018 |
Model: Sienna |
Prod Date Range: [11/2017 -
] |
Title: NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: B158F; AV Signal Stoppage (Low Battery Voltage); 2018 - 2020 MY Sienna [11/2017 - ] |
DTC
|
B158F
|
AV Signal Stoppage (Low Battery Voltage)
|
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
|
-
Radio and display receiver assembly
-
Harness or connector
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
-
When replacing the radio and display receiver assembly, always replace it with a new one. If a radio and display receiver assembly which was installed to another vehicle is used, the following may occurs:
-
A communication malfunction DTC may be stored.
-
The radio and display receiver assembly may not operate normally.
-
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) Check that the battery voltage.
Standard voltage:
11 to 14 V
HINT:
This display is updated once per second. As a result, it is normal for the display to lag behind the actual switch operation.
OK
|
|
|
(a) Clear the DTCs (See page
).
(b) Check for DTCs (See page
).
OK:
No DTCs are output.
3.
|
CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY POWER SOURCE)
|
(a) Disconnect the radio and display receiver assembly connector.
|
|
*a
|
Front view of wire harness connector
(to Radio and Display Receiver Assembly)
|
|
|
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection
|
Condition
|
Specified Condition
|
D195-4 (+B1) - Body ground
|
Always
|
11 to 14 V
|
NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR
|
|