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 |
Transponder Key Ecu
Components
COMPONENTS
ILLUSTRATION
Removal
REMOVAL
PROCEDURE
1. REMOVE AIR CONDITIONING UNIT ASSEMBLY
HINT:
Refer to the procedure up to Remove Air Conditioning Unit Assembly (See page
).
2. REMOVE TRANSPONDER KEY ECU ASSEMBLY
(a) ...
Power Steering ECU Communication Stop Mode
DESCRIPTION
Detection Item
Symptom
Trouble Area
Power Steering ECU Communication Stop Mode
"EPS" is not displayed on "CAN Bus Check" screen of the Techstream.
...
Installation
INSTALLATION
PROCEDURE
1. INSTALL THROTTLE BODY ASSEMBLY
(a) Install a new gasket to the intake manifold.
(b) Install the fuel tube bracket with the bolt.
Torque:
7.5 N·m {76 kgf ...