DESCRIPTION
If an ECM that is incompatible with the immobiliser system is installed, the ECM will store 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 |
- |
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
NOTICE:
Click here
PROCEDURE
1. |
CLEAR DTC |
(a) Clear the DTCs.
Click here
|
2. |
CHECK FOR DTC |
(a) Check for DTCs.
Click here
OK:
B279C is not output.
OK | ![]() |
USE SIMULATION METHOD TO CHECK |
|
3. |
REPLACE CURRENT ECM WITH PROPER ECM |
(a) Replace the current ECM with a proper ECM.
Click here
NEXT | ![]() |
END |
Toyota CH-R Service Manual > Air Conditioning System(for Automatic Air Conditioning System With Top-mounted
Air Conditioner Pressure Sensor): Compressor Solenoid Circuit (B1451)
DESCRIPTION
In this circuit, the compressor with pulley assembly (compressor solenoid) receives
a refrigerant compression demand signal from the air conditioning amplifier assembly.
Based on this signal, the compressor with pulley assembly (compressor solenoid)
changes the amount of compressor ...
Toyota CH-R Service Manual > Continuously Variable Transaxle System: Shift Solenoid "G" Control Circuit Low (Shift Solenoid Valve SC) (P099B,P099C)
DESCRIPTION
Based on the signal received by the shift solenoid valve SC, the ECM uses the
shift solenoid valve SLU to control the forward and reverse clutch pressure.
If there is an open or short in the shift solenoid valve SC circuit, the ECM
stops sending current to the defective shift solen ...