DESCRIPTION
This DTC is output if the vehicle variation information is not written to the headlight ECU sub-assembly LH.
The headlight ECU sub-assembly LH outputs DTC B2451.
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
Note |
---|---|---|---|---|
B2451 |
Vehicle Specifications have not been Stored |
Vehicle specification information not written |
Headlight ECU sub-assembly LH |
- |
CAUTION / NOTICE / HINT
NOTICE:
After the headlight ECU sub-assembly LH is replaced, vehicle information registration and initialization are necessary.
Click here
PROCEDURE
1. |
VEHICLE INFORMATION HEADLIGHT ECU SUB-ASSEMBLY LH |
(a) Register vehicle information for the headlight ECU sub-assembly LH.
Click here
|
2. |
CLEAR DTC |
(a) Clear the DTCs.
Click here
|
3. |
CHECK FOR DTC |
(a) Turn the ignition switch to ON.
(b) Turn on the headlights using the light control switch.
(c) Check for DTCs.
Click here
Result |
Proceed to |
---|---|
DTC B2451 output does not occur |
A |
DTC B2451 output occurs |
B |
A | ![]() |
END (NORMAL AFTER VEHICLE INFORMATION REGISTERED) |
B | ![]() |
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): Dtc Check / Clear
DTC CHECK / CLEAR
DTC CHECK USING TECHSTREAM
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Air Conditioner / Trouble Codes.
Body Electrical > Air Conditioner > Trouble Codes
(e) Ch ...
Toyota CH-R Service Manual > Air Conditioning System(for Automatic Air Conditioning System With Side-mounted
Air Conditioner Pressure Sensor): Precaution
PRECAUTION
IGNITION SWITCH EXPRESSIONS
(a) The type of ignition switch used on this model differs according to the specifications
of the vehicle. The expressions listed in the table below are used in this section.
Expression
Ignition Switch (Position)
Engine Swi ...