IMMOBILISER SYSTEM(w/ Entry and Start System), Diagnostic DTC:B279C
| DTC Code | DTC Name |
|---|---|
| B279C | Theft Deterrent System Presence Detection |
DESCRIPTION
If an ECM that is incompatible with the immobiliser system is installed, the ECM stores this DTC.
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
Note |
|---|---|---|---|---|
B279C |
Theft Deterrent System Presence Detection |
An ECM that is incompatible with the immobiliser system is installed. (1-trip detection logic*) |
ECM |
- |
*: Only detected while a malfunction is present.
Vehicle Condition when Malfunction Detected |
Fail-safe Function when Malfunction Detected |
|---|---|
Engine cannot be started |
- |
DTC No. |
Data List and Active Test |
|---|---|
B279C |
- |
CAUTION / NOTICE / HINT
When using the GTS with the engine switch off, connect the GTS to the DLC3 and turn a courtesy light switch on and off at intervals of 1.5 seconds or less until communication between the GTS and the vehicle begins. Then select Model Code "KEY REGIST" under manual mode and enter the following menus: Body Electrical / Entry&Start(CAN). While using the GTS, periodically turn a courtesy light switch on and off at intervals of 1.5 seconds or less to maintain communication between the GTS and the vehicle.
Before replacing the ECM refer to Service Bulletin.
After repair, confirm that no DTCs are output by performing "DTC Output Confirmation Operation".
PROCEDURE
REPLACE ECM
Temporarily replace the ECM with a new one.
Result
Proceed to
NEXT
CLEAR DTC
Clear the DTCs.
Powertrain > Engine and ECT > Clear DTCs
Result
Proceed to
NEXT
CHECK FOR DTC
Check for DTCs.
Powertrain > Engine and ECT > Trouble Codes
OK
B279C is not output.
Result
Result
Proceed to
DTC B279C is not output
A
DTC B279C is output
B
A END (ECM WAS DEFECTIVE)