Lexus NX: Engine Immobiliser System Presence Detection (B279C-185)
DESCRIPTION
If a hybrid vehicle control ECU that is incompatible with the immobiliser system is installed, the hybrid vehicle control ECU stores this DTC.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | Note |
|---|---|---|---|---|
| B279C-185 | Engine Immobiliser System Presence Detection | A hybrid vehicle control ECU that is incompatible with the immobiliser system is installed. (1-trip detection logic*) | Hybrid vehicle control ECU | - |
- *: Only detected while a malfunction is present.
| Vehicle Condition when Malfunction Detected | Fail-safe Function when Malfunction Detected |
|---|---|
| Hybrid control system cannot be started | - |
| DTC No. | Data List and Active Test |
|---|---|
| B279C-185 | - |
CAUTION / NOTICE / HINT
NOTICE:
- When using the Techstream with the power switch off, connect the Techstream to the DLC3 and turn a courtesy light switch on and off at intervals of 1.5 seconds or less until communication between the Techstream and the vehicle begins. Then select the vehicle type under manual mode and enter the following menus: Body Electrical / Smart Access. While using the Techstream, periodically turn a courtesy light switch on and off at intervals of 1.5 seconds or less to maintain communication between the Techstream and the vehicle.
-
Before replacing the hybrid vehicle control ECU refer to Registration.
Click here
.gif)
- After repair, confirm that no DTCs are output by performing "DTC Output Confirmation Operation."
PROCEDURE
| 1. | REPLACE HYBRID VEHICLE CONTROL ECU |
(a) Replace the hybrid vehicle control ECU with a new one.
Click here
| NEXT | .gif) | END (HYBRID VEHICLE CONTROL ECU WAS DEFECTIVE) |
READ NEXT:
Security Indicator Light Does not Blink
DESCRIPTION
The certification ECU (smart key ECU assembly) blinks the security indicator light (air conditioning control assembly) when the immobiliser is set (power switch off, or driver door is o
Immobiliser System does not Operate Properly
DESCRIPTION The immobiliser system compares the ID code that is registered in the certification ECU (smart key ECU assembly) with the ID code of the transponder chip that is embedded in the electrical
SEE MORE:
Compass
The compass on the inside rear
view mirror indicates the direction
in which the vehicle is heading.
Operation and displays
To turn the compass on or off, press the
button for more than 3 seconds.
Directions are displayed as follows:
â– Conditions unfavorable to correct
operation
The com
Customize Parameters
CUSTOMIZE PARAMETERS CUSTOMIZE POWER DOOR LOCK CONTROL SYSTEM HINT: The following items can be customized. NOTICE:
When the customer requests a change in a function, first make sure that the function can be customized.
Be sure to make a note of the current settings before customizing.
When tr
