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 |
Toyota CH-R Service Manual > Windshield Deicer System: Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
NOTICE:
If the battery voltage becomes low, windshield deicer operation is canceled to
prioritize supplying power to the power steering system.
Click here
HINT:
Use the table below to help determine the cause of problem symptoms.
If multiple suspected ar ...
Toyota CH-R Service Manual > Compressor(for Denso Made): Inspection
INSPECTION
PROCEDURE
1. INSPECT COMPRESSOR WITH PULLEY ASSEMBLY
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
Condition
Specified Condition
...