DESCRIPTION
When an internal malfunction occurs in the ID code box (immobiliser code ECU), the certification ECU (smart key ECU assembly) stores this DTC.
|
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
Note |
|---|---|---|---|---|
|
B2790 |
ID BOX EEPROM Malfunction |
An internal malfunction occurs in the ID code box (immobiliser code ECU) (EEPROM access malfunction). (1 trip detection logic*) |
|
DTC output confirmation operation:
|
|
Vehicle Condition when Malfunction Detected |
Fail-safe Operation when Malfunction Detected |
|---|---|
|
- |
|
DTC No. |
Data List and Active Test |
|---|---|
|
B2790 |
- |
CAUTION / NOTICE / HINT
NOTICE:
Click here
PROCEDURE
|
1. |
REPLACE ID CODE BOX (IMMOBILISER CODE ECU) |
(a) Replace the ID code box (immobiliser code ECU) with a new one.
Click here
|
|
2. |
CLEAR DTC |
(a) Clear the DTCs.
Click here
|
|
3. |
REGISTER RECOGNITION CODE |
(a) Register the recognition code to the ECUs.
Click here
|
|
4. |
REGISTER ECU COMMUNICATION ID |
(a) Register the ECU communication ID codes.
Click here
|
|
5. |
CHECK FOR DTC |
(a) Perform "DTC Output Confirmation Operation" procedure.
(b) Check for DTCs.
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OK:
DTC B2790 is not output.
| OK | |
END (ID CODE BOX (IMMOBILISER CODE ECU) WAS DEFECTIVE) |
| NG | |
REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) |
Engine Starter Communication Malfunction (B2779)
Short to GND in Immobiliser System Power Source Circuit (B278A)Toyota CH-R Service Manual > Occupant Classification System: Initialization
INITIALIZATION
DESCRIPTION
(a) Zero point of the occupant classification sensors may deviate in the following
situations. To ensure sensor accuracy, be sure to perform Zero Point Calibration.
The occupant detection ECU is replaced.
HINT:
As the zero point is not automatically store ...
Toyota CH-R Service Manual > Front Door Courtesy Switch: Removal
REMOVAL
CAUTION / NOTICE / HINT
HINT:
Use the same procedure for the LH and RH sides.
The procedure described below is for the LH side.
PROCEDURE
1. REMOVE BENCH TYPE REAR SEAT CUSHION ASSEMBLY
Click here
2. REMOVE REAR SEAT CUSHION LOCK HOOK
Click here
3. REMOVE FRONT ...