DESCRIPTION
If an ECM that is incompatible with the engine immobiliser system is installed, the ECM stores this DTC.
|
DTC No. |
DTC Detection Condition |
Trouble Area |
|---|---|---|
|
B279C |
When an ECM that is incompatible with engine immobiliser system is installed. |
ECM |
PROCEDURE
|
1. |
CHECK DTC OUTPUT |
(a) Clear the DTCs (See page
).
(b) Recheck for DTCs (See page
).
OK:
DTC B279C is not output.
|
Result |
Proceed to |
|---|---|
|
OK |
A |
|
NG (for 2GR-FE) |
B |
|
NG (for 1AR-FE) |
C |
| A | |
USE SIMULATION METHOD TO CHECK |
| B | |
REPLACE ECM |
| C | |
REPLACE ECM |
Data List / Active Test
Diagnostic Trouble Code ChartSystem Diagram
SYSTEM DIAGRAM
Communication Table
Sender
Receiver
Signal
Communication Line
A/C amplifier
ECM
Magnetic clutch request signal*1
CAN
Idle up reques ...
Data List / Active Test
DATA LIST / ACTIVE TEST
1. DATA LIST
HINT:
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 bec ...
Open / Short in Steering Lock ECU (B2781)
DESCRIPTION
If the steering lock ECU (steering lock actuator assembly) determines that there
is a malfunction inside the ECU, it outputs this DTC. Diagnostic communication between
the steering lock ECU (steering lock actuator assembly) and the Techstream ...