DESCRIPTION
This DTC is stored when a video or audio signal is interrupted due to battery voltage input to the navigation receiver assembly dropping temporarily.
DTC No. |
DTC Detection Condition |
Trouble Area |
---|---|---|
B158F |
A video or audio signal is interrupted when the battery voltage drops |
Navigation 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) Check 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 (See page ).
(b) Recheck for DTCs and check that no DTCs are output.
OK:
No DTCs are output.
OK |
USE SIMULATION METHOD TO CHECK |
NG |
REPLACE NAVIGATION RECEIVER ASSEMBLY |
3. |
CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY POWER SOURCE) |
(a) Disconnect the E38 navigation receiver assembly connector.
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
E38-4 (+B1) - Body ground |
Always |
11 to 14 V |
OK |
REPLACE NAVIGATION RECEIVER ASSEMBLY |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Installation
INSTALLATION
CAUTION / NOTICE / HINT
NOTICE:
When disconnecting the steering intermediate shaft assembly and pinion shaft
of steering gear assembly, be sure to place matchmarks before servicing.
PROCEDURE
1. INSTALL TIE ROD ASSEMBLY LH
(a) I ...
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use the following procedure to troubleshoot the engine immobiliser system.
*: Using the Techstream.
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
NEXT
...
Low Battery Positive Voltage or Abnormally High Battery Positive Voltage (C1241/41)
DESCRIPTION
If a malfunction is detected in the power supply circuit, the skid control ECU
(housed in the actuator assembly) stores this DTC and the fail-safe function prohibits
ABS operation.
This DTC is stored when the IG1 terminal voltage deviates fro ...