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 > Lin Communication System: Double Locking ECU Communication Stop (B1249)
DESCRIPTION
The main body ECU (multiplex network body ECU) stores this DTC when communication
with the double lock door control relay assembly stops for 10 seconds or more.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
B1 ...
Toyota CH-R Service Manual > Power Window Control System: Fail-safe Chart
FAIL-SAFE CHART
PULSE FAILURE
(a) If a pulse sensor built into the power window regulator motor assembly malfunctions,
the following power window operations will be prohibited.
Multiplex Network Master Switch Assembly, Power Window Regulator Switch Assembly,
Rear Power Window Regulator Switch ...