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 ChartNo Communication in Immobiliser System (B2796,B2798)
DESCRIPTION
These DTCs are stored if a key that does not have a transponder chip is inserted
into the ignition key cylinder or if communication between the key and the transponder
key ECU assembly is impossible.
DTC No.
DTC Detectio ...
System Diagram
SYSTEM DIAGRAM
Communication Table
Transmitting ECU
(Transmitter)
Receiving ECU
(Receiver)
Signal
Communication Method
Combination meter
Power management control ECU
...
Reporting safety defects for U.S. owners
If you believe that your vehicle has a defect which could cause a crash or could
cause injury or death, you should immediately inform the National Highway Traffic
Safety Administration (NHTSA) in addition to notifying Toyota Motor Sales, U.S.A.,
Inc.
(T ...