Toyota Tacoma 2015-2018 Service Manual: Short in GPS Antenna (B15C0,B15C1)
DESCRIPTION
These DTCs are stored when a malfunction occurs in the navigation antenna assembly.
|
DTC No. |
DTC Detection Condition |
Trouble Area |
|---|---|---|
|
B15C0 |
Navigation antenna error |
|
|
B15C1 |
Error of the power source to the navigation antenna |
CAUTION / NOTICE / HINT
NOTICE:
Check that the navigation antenna assembly cable is properly installed and does
not have any sharp bends, pinching or loose connections before performing following
inspection procedure (See page .gif)
).
PROCEDURE
|
1. |
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 | .gif) |
USE SIMULATION METHOD TO CHECK |
|
.gif)
|
2. |
INSPECT NAVIGATION ANTENNA ASSEMBLY |
|
(a) Remove the navigation antenna assembly (See page
|
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
1 - 1a |
Always |
50 to 500 Ω |
|
*a |
Component without harness connected (Navigation Antenna Assembly) |
| OK | |
REPLACE NAVIGATION RECEIVER ASSEMBLY |
| NG | |
REPLACE NAVIGATION ANTENNA ASSEMBLY |
Stereo Component Amplifier Malfunction (B15A3)
DESCRIPTION
This DTC is stored when a malfunction occurs in the stereo component amplifier
assembly.
DTC No.
DTC Detection Condition
Trouble Area
...
Speed Signal Malfunction (B15C2)
DESCRIPTION
The navigation receiver assembly receives a vehicle speed signal from the combination
meter assembly and information from the navigation antenna assembly, and then adjusts
the vehicle ...
Other materials:
Main Switch Signal Circuit
DESCRIPTION
When the wireless charger main switch (mobile wireless charger switch) is turned
on, this circuit sends an on signal to the mobile wireless charger cradle assembly
using the power supplied to the wireless charger main switch (mobile wireless charger
switch).
WIRING DIAGRAM
CAU ...
Removal
REMOVAL
CAUTION / NOTICE / HINT
HINT:
Use the same procedure for both the RH and LH sides.
The procedure described below is for the LH side.
PROCEDURE
1. PRECAUTION
CAUTION:
Be sure to read Precaution thoroughly before servicing (See page
).
NOTICE:
After turning the ign ...
Inspection
INSPECTION
PROCEDURE
1. INSPECT FRONT NO. 2 SPEAKER ASSEMBLY
(a) When there is a malfunction such as noise from a speaker or no sound at all,
replace the speaker with a new one and check that the malfunction disappears.
OK:
Malfunction disappears.
HINT:
Connect the connectors to th ...