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:
Click here
PROCEDURE
1. |
CHECK VEHICLE SIGNAL (OPERATION CHECK) |
(a) Enter the "Vehicle Signal Check Mode" screen. Refer to Check Vehicle Signal in Operation Check. Click here |
|
(b) Measure the battery voltage.
Standard Voltage:
11 to 14 V
HINT:
This display is updated once per second.
NG |
GO TO STEP 3 |
|
2. |
CHECK DTC |
(a) Clear the DTCs.
Body Electrical > Navigation System > Clear DTCs(b) Recheck for DTCs and check that no DTCs are output.
Body Electrical > Navigation System > Trouble CodesOK:
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 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 |
---|---|---|
F129-4 (+B1) - Body ground |
Always |
11 to 14 V |
OK |
REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
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INSTALLATION
CAUTION / NOTICE / HINT
NOTICE:
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camera, make sure to use a Toyota genuine part. If a non-Toyota genuine part is
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Toyota CH-R Service Manual > Transponder Key Ecu: Installation
INSTALLATION
CAUTION / NOTICE / HINT
NOTICE:
Before replacing the transponder key ECU assembly, refer to Registration.
Click here
PROCEDURE
1. INSTALL TRANSPONDER KEY ECU ASSEMBLY
(a) Engage the guides to install the transponder key ECU assembly as shown in
the illustration.
...