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:
Skid Control Buzzer Circuit (C1A4A)
DESCRIPTION
The millimeter wave radar sensor assembly is connected to the forward recognition
camera via CAN communication.
The millimeter wave radar sensor assembly operates the pre-collision alarm by
sending a buzzer request signal to the skid control buzzer.
If the millimeter wave radar se ...
Charging Failure
PROCEDURE
1.
CHECK GENERATOR PULLEY WITH CLUTCH (ON-VEHICLE INSPECTION)
(a) Start the engine and visually check if the fan of the generator rotor assembly
located inside the generator assembly is operating.
OK:
The fan of the generator rotor assembly is operati ...
4WD ECU Malfunction (P163B)
DESCRIPTION
This DTC is output when a malfunction is detected in the 4 wheel drive control
ECU internal circuit.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
P163B
4WD ECU Malfunction
Dia ...
