Toyota CH-R Service Manual: Theft Deterrent System Presence Detection (B279C)
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 |
- |
- *: Only detected while a malfunction is present.
|
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:
- When using the Techstream with the engine 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 Key. 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 ECM, refer to Registration.
Click here
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- After performing repairs, confirm that no DTCs are output by performing "DTC Output Confirmation Operation".
PROCEDURE
|
1. |
CLEAR DTC |
(a) Clear the DTCs.
Click here
|
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|
2. |
CHECK FOR DTC |
(a) Check for DTCs.
Click here
OK:
B279C is not output.
| OK | .gif) |
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 |
Theft Deterrent System Communication Line High Fixation (B279A)
DESCRIPTION
If the communication line (IMI - EFIO) between the ECM and ID code box (immobiliser
code ECU) is stuck high, the ECM will store this DTC.
DTC No.
Detection Item
...
Engine Immobiliser System Malfunction (B2799)
DESCRIPTION
If there is a communication malfunction between the ECM and ID code box (immobiliser
code ECU), or when the communication ID codes do not match, the ECM stores this
DTC.
D ...
Other materials:
Toyota CH-R Service Manual > Blower Unit(for Denso Made): Reassembly
REASSEMBLY
PROCEDURE
1. INSTALL NO. 1 BLOWER DAMPER SERVO SUB-ASSEMBLY
(a) Connect the 2 links of the blower assembly to the 2 plates of the
No. 1 blower damper servo sub-assembly as shown in the illustration.
...
Toyota CH-R Service Manual > Toyota Entune System: Parts Location
PARTS LOCATION
ILLUSTRATION
*A
w/ Navigation System
-
-
*1
FRONT NO. 1 SPEAKER ASSEMBLY RH
*2
FRONT NO. 2 SPEAKER ASSEMBLY RH
*3
RADIO AND DISPLAY RECEIVER ASSEMBLY
...
Toyota C-HR (AX20) 2023-2025 Owner's Manual
Toyota CH-R Owners Manual
- For safety and security
- Instrument cluster
- Operation of each component
- Driving
- Interior features
- Maintenance and care
- When trouble arises
- Vehicle specifications
- For owners
Toyota CH-R Service Manual
- Introduction
- Maintenance
- Audio / Video
- Cellular Communication
- Navigation / Multi Info Display
- Park Assist / Monitoring
- Brake (front)
- Brake (rear)
- Brake Control / Dynamic Control Systems
- Brake System (other)
- Parking Brake
- Axle And Differential
- Drive Shaft / Propeller Shaft
- K114 Cvt
- 3zr-fae Battery / Charging
- Networking
- Power Distribution
- Power Assist Systems
- Steering Column
- Steering Gear / Linkage
- Alignment / Handling Diagnosis
- Front Suspension
- Rear Suspension
- Tire / Wheel
- Tire Pressure Monitoring
- Door / Hatch
- Exterior Panels / Trim
- Horn
- Lighting (ext)
- Mirror (ext)
- Window / Glass
- Wiper / Washer
- Door Lock
- Heating / Air Conditioning
- Interior Panels / Trim
- Lighting (int)
- Meter / Gauge / Display
- Mirror (int)
- Power Outlets (int)
- Pre-collision
- Seat
- Seat Belt
- Supplemental Restraint Systems
- Theft Deterrent / Keyless Entry
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