DESCRIPTION
INSPECTION PROCEDURE
CHECK FOR DTC
CHECK CAN COMMUNICATION SYSTEM
DTC B2427 CAN Communication Malfunction
DESCRIPTION
The headlight swivel ECU sends and receives data to and from various ECUs via CAN communication.
| DTC Code | DTC Detection Condition | Trouble Area |
| B2427 | CAN communication malfunction between the headlight swivel ECU and other ECUs. | CAN communication system
Headlight swivel ECU assembly
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INSPECTION PROCEDURE
- After replacing the headlight swivel ECU, initialization of the ECU is necessary (except w/ Dynamic Headlight Auto Leveling) ().
Check for DTCs ().
- OK:
- DTC B2427 output does not occur.
| OK | |
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| USE SIMULATION METHOD TO CHECK ()
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| 2.CHECK CAN COMMUNICATION SYSTEM |
for LHD:
Perform a CAN communication system inspection ().
for RHD:
Perform a CAN communication system inspection ().
- OK:
- The CAN communication system is normal.
Result| Result | Proceed to |
| OK (for LHD) | A |
| OK (for RHD) | B |
| NG (for LHD) | C |
| NG (for RHD) | D |
| | REPLACE HEADLIGHT SWIVEL ECU ASSEMBLY ()
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| | GO TO CAN COMMUNICATION SYSTEM ()
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| | GO TO CAN COMMUNICATION SYSTEM ()
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| A | |
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| REPLACE HEADLIGHT SWIVEL ECU ASSEMBLY ()
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