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:
Engine Immobiliser System Circuit Short to Battery (B279A12)
DESCRIPTION
When the communication line (IMI - EFIO) between the ECM and certification ECU
(smart key ECU assembly) is stuck high, the ECM stores this DTC.
DTC Code
DTC Detection Condition
Trouble Area
DTC Output Confirmation Operation
...
How To Proceed With Troubleshooting
PROCEDURE
1.
CHECK TIRE AND WHEEL SYSTEM
DIAGNOSIS OF IRREGULAR TIRE WEAR
GO TO STEP 11
DIAGNOSIS OF TIRE VIBRATION
2.
TIGHTEN WHEEL NUTS
...
Data List / Active Test
DATA LIST / ACTIVE TEST
1. DATA LIST
Using the Techstream to read the Data List allows the values or states of switches,
sensors, actuators and other items to be read without removing any parts. This non-intrusive
inspection can be very useful because intermittent conditions or signals may be ...