DESCRIPTION
This DTC is output when a headlight ECU sub-assembly LH that is incompatible with the vehicle is installed.
The headlight ECU sub-assembly LH outputs DTC B2456.
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
Note |
---|---|---|---|---|
B2456 |
Left Headlight ECU Variation Error |
Headlight ECU sub-assembly LH variation mismatch |
|
- |
CAUTION / NOTICE / HINT
NOTICE:
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PROCEDURE
1. |
CLEAR DTC |
(a) Clear the DTCs.
Click here
Body Electrical > HL AutoLeveling > Clear DTCs
|
2. |
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
Body Electrical > HL AutoLeveling > Trouble Codes
Result |
Proceed to |
---|---|
DTC B2456 output does not occur |
A |
DTC B2456 output occurs |
B |
A |
USE SIMULATION METHOD TO CHECK |
|
3. |
CHECK ECM |
(a) Check that the ECM part number matches the vehicle.
Result |
Proceed to |
---|---|
ECM part number matches vehicle |
A |
ECM part number does not match |
B |
B |
REPLACE ECM |
|
4. |
CHECK MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) |
(a) Check that the main body ECU (multiplex network body ECU) part number matches the vehicle.
Result |
Proceed to |
---|---|
Main body ECU (multiplex network body ECU) part number matches vehicle |
A |
Main body ECU (multiplex network body ECU) part number does not match |
B |
A |
REPLACE HEADLIGHT LIGHT CONTROL ECU SUB-ASSEMBLY LH |
B |
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) |
Toyota CH-R Service Manual > Toyota Entune System: Lost Communication with Body Control Module "B" (U0142,U0155,U0163)
DESCRIPTION
These DTCs are stored when a malfunction occurs in the CAN communication circuit.
HINT:
If CAN communication system DTCs are stored, they may also be stored for other
systems.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
...
Toyota CH-R Service Manual > Meter / Gauge System: Fuel Receiver Gauge Display Malfunction
DESCRIPTION
OPERATION
The combination meter assembly uses the fuel injection volume signal from the
ECM, fuel sender gauge assembly to detect the amount of fuel remaining in the fuel
tank assembly. Each gauge assembly has a variable resistor whose resistance changes
according to the amount o ...