DESCRIPTION
The headlight ECU sub-assembly LH stores this DTC if the vehicle specifications have not been stored in the ECU.
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
Note |
---|---|---|---|---|
B2451 |
Vehicle Specifications have not been Stored |
Vehicle specifications have not been stored |
Headlight ECU sub-assembly LH |
- |
CAUTION / NOTICE / HINT
NOTICE:
If the headlight ECU sub-assembly LH has been replaced, it is necessary to synchronize the vehicle information and initialize the headlight ECU sub-assembly LH.
Click here
PROCEDURE
1. |
SYNCHRONIZE VEHICLE INFORMATION |
(a) Synchronize the vehicle information.
Click here
Tester Display |
---|
ECU Information Sync |
|
2. |
CLEAR DTC |
(a) Clear the DTCs.
Click here
|
3. |
CHECK FOR DTC |
(a) Turn the ignition switch to ON.
(b) Check for DTCs.
Click here
OK:
DTC B2451 is not output.
OK | ![]() |
END (VEHICLE SPECIFICATIONS WERE NOT STORED) |
NG | ![]() |
REPLACE HEADLIGHT ECU SUB-ASSEMBLY LH |
Toyota CH-R Service Manual > Air Conditioning System(for Automatic Air Conditioning System With Side-mounted
Air Conditioner Pressure Sensor): Pressure Sensor Circuit (B1423)
DESCRIPTION
This DTC is stored if refrigerant pressure on the high pressure side is extremely
low (195 kPa (2.0 kgf/cm2, 28 psi) or less) or extremely high (2812 kPa (28.7 kgf/cm2,
408 psi) or more). The air conditioner pressure (2 words) sensor, which is installed
to the high pressure side p ...
Toyota CH-R Service Manual > Lighting System: Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
Lighting System
DTC No.
Detection Item
Note
Link
B1244
Light Sensor Circuit Malfunction
-
B242C
Right Headlight ECU Malfunction
...