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 |
An ECM that is incompatible with engine immobiliser system is installed. |
ECM |
CAUTION / NOTICE / HINT
NOTICE:
If the ECM is replaced, register the ECU communication ID (See page ).
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 |
Terminals Of Ecu
TERMINALS OF ECU
1. OCCUPANT CLASSIFICATION ECU (for Power Seat)
Terminal No. (Symbol)
Wiring Color
Terminal Description
Condition
Specification
S12-1 (+B) - S12-3 (GND)
GR ...
Removal
REMOVAL
PROCEDURE
1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
NOTICE:
When disconnecting the cable, some systems need to be initialized after the cable
is reconnected (See page ).
2. REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY
3. REMOVE COOL AIR ...
Transmitter ID1 Error (C2141/41-C2144/44)
DESCRIPTION
The tire pressure warning valve and transmitter installed in each tire and wheel
assembly measures the tire pressures. The measured values are transmitted as radio
waves to the tire pressure warning antenna and receiver on the body and then se ...