Toyota Tacoma (2015-2018) Service Manual: Engine Immobiliser System Incorrect Assembly (B279C95)
DESCRIPTION
This code is stored when an ECM that is incompatible with the engine immobiliser system is installed to the vehicle.
|
DTC Code |
DTC Detection Condition |
Trouble Area |
DTC Output Confirmation Operation |
|---|---|---|---|
|
B279C95 |
An ECM that is incompatible with the engine immobiliser system is installed (1 trip detection logic*). |
ECM |
Check for DTCs. |
- *: Only output while a malfunction is present.
|
Vehicle Condition when Malfunction Detected |
Fail-safe Operation when Malfunction Detected |
|---|---|
|
Engine cannot be started |
- |
|
DTC Code |
Data List and Active Test |
|---|---|
|
B279C95 |
- |
PROCEDURE
|
1. |
CLEAR DTC |
(a) Clear the DTCs (See page .gif)
).
|
.gif)
|
2. |
CHECK FOR DTC |
(a) Check for DTCs (See page ).
OK:
DTC B279C95 is not output.
| OK | .gif) |
USE SIMULATION METHOD TO CHECK |
| NG | |
REPLACE ECM |
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
HINT:
If a trouble code is output during the DTC check, inspect the trouble areas listed
for that code. For details of the code, refer to the "See page" bel ...
Antenna Coil Open / Short (B2784)
DESCRIPTION
When an open or short circuit is detected in the transponder key amplifier coil
built into the engine switch, the certification ECU (smart key ECU assembly) stores
this DTC. This DTC ...
Other materials:
Ambient Temperature Sensor
Components
COMPONENTS
ILLUSTRATION
Inspection
INSPECTION
PROCEDURE
1. INSPECT AMBIENT TEMPERATURE SENSOR
(a) Measure the resistance according to the value(s) in the table below.
Standard resistance:
Tester Connection
Condition
...
Removal
REMOVAL
PROCEDURE
1. REMOVE STEERING PAD
(See page )
2. REMOVE STEERING WHEEL ASSEMBLY
3. REMOVE LOWER STEERING COLUMN COVER
4. REMOVE UPPER STEERING COLUMN COVER
5. REMOVE SPIRAL CABLE SUB-ASSEMBLY WITH SENSOR
(a) Slide the slider and disconnect the airbag connector ...
Inspection
INSPECTION
PROCEDURE
1. REMOVE SPIRAL CABLE SUB-ASSEMBLY WITH SENSOR
(a) If there are any defects as mentioned below, replace the spiral cable sub-assembly
with a new one:
Scratches, cracks, dents or chips on the connector or the spiral cable sub-assembly.
(b) Inspect the spiral ca ...
