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 immobiliser system is installed. |
ECM |
|
Vehicle Condition when Malfunction Detected |
Fail-safe Operation when Malfunction Detected |
---|---|
Engine cannot be started |
- |
DTC No. |
Data List and Active Test |
---|---|
B279C |
- |
CAUTION / NOTICE / HINT
NOTICE:
Click here
PROCEDURE
1. |
CLEAR DTC |
(a) Clear the DTCs.
Powertrain > Engine and ECT > Clear DTCs
|
2. |
CHECK FOR DTC |
(a) Start the engine.
(b) Check for DTCs.
Powertrain > Engine and ECT > Trouble CodesHINT:
Before checking for DTCs, perform the "DTC Output Confirmation Operation" procedure.
OK:
DTC B279C is not output.
Result |
Proceed to |
---|---|
DTC B279C is not output |
A |
DTC B279C is output |
B |
A | ![]() |
USE SIMULATION METHOD TO CHECK |
|
3. |
REPLACE ECM |
(a) Replace the current ECM with the proper ECM.
Click here
NEXT | ![]() |
END |
Toyota CH-R Service Manual > Back Door Outside Garnish: Components
COMPONENTS
ILLUSTRATION
*A
w/ Package Tray Trim
*B
w/ Tonneau Cover
*1
PACKAGE TRAY TRIM PANEL ASSEMBLY
*2
TONNEAU COVER ASSEMBLY
ILLUSTRATION
*1
BACK DOOR OUTSIDE GAR ...
Toyota CH-R Service Manual > Key Reminder Warning System: Terminals Of Ecu
TERMINALS OF ECU
CHECK MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) AND INSTRUMENT PANEL JUNCTION
BLOCK ASSEMBLY
*A
Main Body ECU (Multiplex Network Body ECU) with 2 Connectors
-
-
*1
Main Body ECU (Multiplex Network Body EC ...