Toyota Tacoma (2015-2018) Service Manual: Extension Module Malfunction (B1552,B158A,B15BA)
DESCRIPTION
These DTCs are stored when a malfunction occurs in the stereo component tuner assembly.
|
DTC No. |
DTC Detection Condition |
Trouble Area |
|---|---|---|
|
B1552 |
Internal malfunction of the navigation ECU |
Stereo component tuner assembly |
|
B158A |
Screen noise adjustment fails |
|
|
B15BA |
When either of the following conditions is met:
|
CAUTION / NOTICE / HINT
NOTICE:
After replacing the stereo component tuner assembly of vehicles subscribed to pay-type satellite radio broadcasts, XM radio ID registration is necessary.
PROCEDURE
|
1. |
CHECK DTC |
(a) Clear the DTCs (See page .gif)
).
(b) Recheck for DTCs and check that no DTCs are output.
OK:
No DTCs are output.
| OK | .gif) |
USE SIMULATION METHOD TO CHECK |
| NG | |
REPLACE STEREO COMPONENT TUNER ASSEMBLY |
HD Radio Tuner Malfunction (B1551,B158D,B15A0,B15B0,B15B3,B15B4,B15B7)
DESCRIPTION
These DTCs are stored when a malfunction occurs in the radio and display receiver
assembly.
DTC No.
DTC Detection Condition
Trouble Area
...
USB Device Malfunction (B1585)
DESCRIPTION
This DTC is stored when a malfunction occurs in a connected device.
DTC No.
DTC Detection Condition
Trouble Area
B1585
USB De ...
Other materials:
Mechanical System Tests
MECHANICAL SYSTEM TESTS
1. STALL SPEED TEST
HINT:
This test is to check the overall performance of the engine and transmission.
CAUTION:
This test should be done on a paved surface (a surface that is not slippery).
To ensure safety, perform this test in an open and level area tha ...
Certification Ecu
Components
COMPONENTS
ILLUSTRATION
Installation
INSTALLATION
PROCEDURE
1. INSTALL CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)
(a) Install the certification ECU (smart key ECU assembly) with the 2 nuts.
Torque:
6.5 N·m {66 kgf·cm, 58 in·lbf}
(b) Engage the clamp to install the wire ...
Speed Signal Circuit
DESCRIPTION
The combination meter assembly receives the vehicle speed signal from this circuit.
The wheel speed sensors produce an output that varies according to the vehicle speed.
The wheel speed sensor output is received by the skid control ECU, which uses this
information to create the ve ...
