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 > Vacuum Pump: On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. OPERATION CHECK
(a) Slide the clip and disconnect the union to connector tube hose from the vacuum
pump assembly.
(b) Connect the hose of a vacuum gauge to the vacuum pump assembly.
...
Toyota CH-R Service Manual > Immobiliser System(w/ Smart Key System): Diagnosis System
DIAGNOSIS SYSTEM
DESCRIPTION
(a) The certification ECU (smart key ECU assembly) and ECM control the vehicle
immobiliser system functions. Immobiliser system data and Diagnostic Trouble Codes
(DTCs) can be read through the vehicle Data Link Connector 3 (DLC3).
In some cases, a malfunction may ...