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
|
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.
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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 > Lighting System: Terminals Of Ecu
TERMINALS OF ECU
*A
Main Body ECU (Multiplex Network Body ECU) with 1 Connector
-
-
*A
Main Body ECU (Multiplex Network Body ECU) with 2 Connectors
-
-
CHECK INSTRUMENT PANEL JUNCTION BLO ...
Toyota CH-R Service Manual > Brake Master Cylinder: Reassembly
REASSEMBLY
PROCEDURE
1. INSTALL BRAKE MASTER CYLINDER RESERVOIR STRAINER
(a) Install the brake master cylinder reservoir strainer to the brake master
cylinder reservoir assembly.
2. INSTALL BRAKE MASTER CYLINDER RESERVOIR FILLER CAP ASSEMBLY
(a) Install the brake master cylinder reservoir fil ...