DTC B2410: Headlight Swivel ECU LH Communication; DTC B2411: Headlight Swivel ECU RH Communication; DTC B2424: Headlight Beam Level Control Motor LH Lost Communication; DTC B2425: Headlight Beam Level Control Motor RH Lost Communication [12/2017 - 10/2020]: Procedure
- CHECK VEHICLE CONDITION
- Check vehicle condition.
Result
Result Proceed to w/ AFS (Front-lighting Adaptive System) A w/o AFS (Front-lighting Adaptive System) B
Result:
B
See step 21
Result:
A
See step 2
- Check vehicle condition.
- CHECK FOR DTC
- Clear the DTCs.
Refer to DTC CHECK / CLEAR [12/2017 - 09/2018] , or refer to DTC CHECK / CLEAR [09/2018 - 10/2020]
Body Electrical > AFS > Clear DTCs
- Turn the engine switch on (IG) and wait for at least 10 seconds or more.
- Check for DTCs.
Refer to DTC CHECK / CLEAR [12/2017 - 09/2018] , or refer to DTC CHECK / CLEAR [09/2018 - 10/2020]
Body Electrical > AFS > Trouble Codes
OK
DTC B2410, B2411, B2424 and B2425 are not outputs.
Result
Result Proceed to OK A NG (DTC B2410 is output) B NG (DTC B2411 is output) C NG (DTC B2410 and B2411 are output) D NG (DTC B2410 and B2424 are output) E NG (DTC B2411 and B2425 are output) F NG (DTC B2424 is output) G NG (DTC B2425 is output) H NG (DTC B2424 and B2425 are output) I
Result:
A
USE SIMULATION METHOD TO CHECK. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2017 - 09/2018] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2018 - 10/2020]
Result:
C
See step 4
Result:
D
See step 7
Result:
E
See step 11
Result:
F
See step 12
Result:
G
See step 13
Result:
H
See step 14
Result:
I
See step 17
Result:
B
See step 3
- Clear the DTCs.
- CHECK HEADLIGHT ECU SUB-ASSEMBLY LH
- Remove the headlight ECU sub-assembly LH as a unit with the connectors still connected.
Refer to REMOVAL [12/2017 - 10/2020]
*a Component with harness connected
(Headlight ECU Sub-assembly LH)*b Front view of wire harness connector
(to Headlight ECU Sub-assembly RH) - Disconnect the A32 headlight ECU sub-assembly RH connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition C-4 - A32-19 (LINS) Always Below 1 Ω Result
Proceed to OK NG
Result:
OK
REPLACE HEADLIGHT UNIT ASSEMBLY LH. Refer to DISASSEMBLY [12/2017 - 10/2020]
Result:
NG
REPLACE HEADLIGHT ECU SUB-ASSEMBLY LH. Refer to REMOVAL [12/2017 - 10/2020]
- Remove the headlight ECU sub-assembly LH as a unit with the connectors still connected.
- CHECK HARNESS AND CONNECTOR (HEADLIGHT ECU SUB-ASSEMBLY LH - HEADLIGHT ECU SUB-ASSEMBLY RH)
- Disconnect the A31 headlight ECU sub-assembly LH connector.
- Disconnect the A32 headlight ECU sub-assembly RH connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition A31-19 (LINS) - A32-19 (LINS) Always Below 1 Ω Result
Proceed to OK NG
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
Result:
OK
See step 5
- CHECK HEADLIGHT ECU SUB-ASSEMBLY LH (LINS TERMINAL SIGNAL OUTPUT)
- Disconnect the A32 headlight ECU sub-assembly RH connector.
- Using the Techstream, check the waveform.
OK
Tester Connection Switch Condition Specified Condition A32-19 (LINS) - Body ground Engine switch on (IG) Pulse generation Result
Proceed to OK NG
Result:
NG
REPLACE HEADLIGHT ECU SUB-ASSEMBLY LH. Refer to REMOVAL [12/2017 - 10/2020]
Result:
OK
See step 6
- CHECK HEADLIGHT ECU SUB-ASSEMBLY RH
- Remove the headlight ECU sub-assembly RH as a unit with the connectors still connected.
Refer to REMOVAL [12/2017 - 10/2020]
*a Component with harness connected
(Headlight ECU Sub-assembly RH)*b Front view of wire harness connector
(to Headlight ECU Sub-assembly LH) - Disconnect the A31 headlight ECU sub-assembly LH connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition C-4 - A31-19 (LINS) Always Below 1 Ω Result
Proceed to OK NG
Result:
OK
REPLACE HEADLIGHT UNIT ASSEMBLY RH. Refer to DISASSEMBLY [12/2017 - 10/2020]
Result:
NG
REPLACE HEADLIGHT ECU SUB-ASSEMBLY RH. Refer to REMOVAL [12/2017 - 10/2020]
- Remove the headlight ECU sub-assembly RH as a unit with the connectors still connected.
- CHECK HEADLIGHT ASSEMBLY RH
- Disconnect the A32 headlight ECU sub-assembly RH connector.
- Clear the DTCs.
Refer to DTC CHECK / CLEAR [12/2017 - 09/2018] , or refer to DTC CHECK / CLEAR [09/2018 - 10/2020]
Body Electrical > AFS > Clear DTCs
- Turn the engine switch on (IG) and wait for at least 10 seconds or more.
- Check for DTCs.
Refer to DTC CHECK / CLEAR [12/2017 - 09/2018] , or refer to DTC CHECK / CLEAR [09/2018 - 10/2020]
Body Electrical > AFS > Trouble Codes
Result
Result Proceed to DTC B2411 is output A DTC B2410 and B2411 are output B
Result:
B
See step 9
Result:
A
See step 8
- CHECK HEADLIGHT ECU SUB-ASSEMBLY RH
- Remove headlight ECU sub-assembly RH.
Refer to REMOVAL [12/2017 - 10/2020]
- Reconnect the A32 headlight ECU sub-assembly RH connector.
- Clear the DTCs.
Refer to DTC CHECK / CLEAR [12/2017 - 09/2018] , or refer to DTC CHECK / CLEAR [09/2018 - 10/2020]
Body Electrical > AFS > Clear DTCs
- Turn the engine switch on (IG) and wait for at least 10 seconds or more.
- Check for DTCs.
Refer to DTC CHECK / CLEAR [12/2017 - 09/2018] , or refer to DTC CHECK / CLEAR [09/2018 - 10/2020]
Body Electrical > AFS > Trouble Codes
Result
Result Proceed to DTC B2411 is output A DTC B2410 and B2411 are output B
Result:
A
REPLACE HEADLIGHT UNIT ASSEMBLY RH. Refer to DISASSEMBLY [12/2017 - 10/2020]
Result:
B
REPLACE HEADLIGHT ECU SUB-ASSEMBLY RH. Refer to REMOVAL [12/2017 - 10/2020]
- Remove headlight ECU sub-assembly RH.
- CHECK HARNESS AND CONNECTOR (HEADLIGHT ECU SUB-ASSEMBLY LH - HEADLIGHT ECU SUB-ASSEMBLY RH)
- Disconnect the A31 headlight ECU sub-assembly LH connector.
- Disconnect the A32 headlight ECU sub-assembly RH connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition A31-19 (LINS) or A32-19 (LINS) - Body ground Always 10 kΩ or higher Result
Proceed to OK NG
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
Result:
OK
See step 10
- CHECK HEADLIGHT ECU SUB-ASSEMBLY LH
- Remove headlight ECU sub-assembly LH.
Refer to REMOVAL [12/2017 - 10/2020]
- Reconnect the A31 headlight ECU sub-assembly LH connector.
- Clear the DTCs.
Refer to DTC CHECK / CLEAR [12/2017 - 09/2018] , or refer to DTC CHECK / CLEAR [09/2018 - 10/2020]
Body Electrical > AFS > Clear DTCs
- Turn the engine switch on (IG) and wait for at least 10 seconds or more.
- Check for DTCs.
Refer to DTC CHECK / CLEAR [12/2017 - 09/2018] , or refer to DTC CHECK / CLEAR [09/2018 - 10/2020]
Body Electrical > AFS > Trouble Codes
Result
Result Proceed to DTC B2410 is output A DTC B2410 and B2411 are output B
Result:
A
REPLACE HEADLIGHT UNIT ASSEMBLY LH. Refer to DISASSEMBLY [12/2017 - 10/2020]
Result:
B
REPLACE HEADLIGHT ECU SUB-ASSEMBLY LH. Refer to REMOVAL [12/2017 - 10/2020]
- Remove headlight ECU sub-assembly LH.
- CHECK HEADLIGHT ECU SUB-ASSEMBLY LH
- Replace the headlight ECU sub-assembly LH with a new one.
Refer to REMOVAL [12/2017 - 10/2020]
- Clear the DTCs.
Refer to DTC CHECK / CLEAR [12/2017 - 09/2018] , or refer to DTC CHECK / CLEAR [09/2018 - 10/2020]
Body Electrical > AFS > Clear DTCs
- Turn the engine switch on (IG) and wait for at least 10 seconds or more.
- Check for DTCs.
Refer to DTC CHECK / CLEAR [12/2017 - 09/2018] , or refer to DTC CHECK / CLEAR [09/2018 - 10/2020]
Body Electrical > AFS > Trouble Codes
OK
DTC B2410 and B2424 are not outputs.
Result
Proceed to OK NG
Result:
OK
END (HEADLIGHT ECU SUB-ASSEMBLY LH WAS DEFECTIVE)
Result:
NG
REPLACE HEADLIGHT UNIT ASSEMBLY LH. Refer to DISASSEMBLY [12/2017 - 10/2020]
- Replace the headlight ECU sub-assembly LH with a new one.
- CHECK HEADLIGHT ECU SUB-ASSEMBLY RH
- Replace the headlight ECU sub-assembly RH with a new one.
Refer to REMOVAL [12/2017 - 10/2020]
- Clear the DTCs.
Refer to DTC CHECK / CLEAR [12/2017 - 09/2018] , or refer to DTC CHECK / CLEAR [09/2018 - 10/2020]
Body Electrical > AFS > Clear DTCs
- Turn the engine switch on (IG) and wait for at least 10 seconds or more.
- Check for DTCs.
Refer to DTC CHECK / CLEAR [12/2017 - 09/2018] , or refer to DTC CHECK / CLEAR [09/2018 - 10/2020]
Body Electrical > AFS > Trouble Codes
OK
DTC B2411 and B2425 are not outputs.
Result
Proceed to OK NG
Result:
OK
END (HEADLIGHT ECU SUB-ASSEMBLY RH WAS DEFECTIVE)
Result:
NG
REPLACE HEADLIGHT UNIT ASSEMBLY RH. Refer to DISASSEMBLY [12/2017 - 10/2020]
- Replace the headlight ECU sub-assembly RH with a new one.
- CHECK HEADLIGHT ECU SUB-ASSEMBLY LH
- Remove the headlight ECU sub-assembly LH as a unit with the connectors still connected.
Refer to REMOVAL [12/2017 - 10/2020]
*a Component with harness connected
(Headlight ECU Sub-assembly LH)*b Front view of wire harness connector
(to Headlight ECU Sub-assembly RH) - Disconnect the A32 headlight ECU sub-assembly RH connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition C-13 - A32-20 (LINL) Always Below 1 Ω Result
Proceed to OK NG
Result:
OK
REPLACE HEADLIGHT UNIT ASSEMBLY LH. Refer to DISASSEMBLY [12/2017 - 10/2020]
Result:
NG
REPLACE HEADLIGHT ECU SUB-ASSEMBLY LH. Refer to REMOVAL [12/2017 - 10/2020]
- Remove the headlight ECU sub-assembly LH as a unit with the connectors still connected.
- CHECK HARNESS AND CONNECTOR (HEADLIGHT ECU SUB-ASSEMBLY LH - HEADLIGHT ECU SUB-ASSEMBLY RH)
- Disconnect the A31 headlight ECU sub-assembly LH connector.
- Disconnect the A32 headlight ECU sub-assembly RH connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition A31-20 (LINL) - A32-20 (LINL) Always Below 1 Ω Result
Proceed to OK NG
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
Result:
OK
See step 15
- CHECK HEADLIGHT ECU SUB-ASSEMBLY LH (LINL TERMINAL SIGNAL OUTPUT)
- Disconnect the A32 headlight ECU sub-assembly RH connector.
- Using the Techstream, check the waveform.
OK
Tester Connection Switch Condition Specified Condition A32-20 (LINL) - Body ground Engine switch on (IG) Pulse generation Result
Proceed to OK NG
Result:
NG
REPLACE HEADLIGHT ECU SUB-ASSEMBLY LH. Refer to REMOVAL [12/2017 - 10/2020]
Result:
OK
See step 16
- CHECK HEADLIGHT ECU SUB-ASSEMBLY RH
- Remove the headlight ECU sub-assembly RH as a unit with the connectors still connected.
Refer to REMOVAL [12/2017 - 10/2020]
*a Component with harness connected
(Headlight ECU Sub-assembly RH)*b Front view of wire harness connector
(to Headlight ECU Sub-assembly LH) - Disconnect the A31 headlight ECU sub-assembly LH connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition C-13 - A31-20 (LINL) Always Below 1 Ω Result
Proceed to OK NG
Result:
OK
REPLACE HEADLIGHT UNIT ASSEMBLY RH. Refer to DISASSEMBLY [12/2017 - 10/2020]
Result:
NG
REPLACE HEADLIGHT ECU SUB-ASSEMBLY RH. Refer to REMOVAL [12/2017 - 10/2020]
- Remove the headlight ECU sub-assembly RH as a unit with the connectors still connected.
- CHECK HEADLIGHT ASSEMBLY RH
- Disconnect the A32 headlight ECU sub-assembly RH connector.
- Clear the DTCs.
Refer to DTC CHECK / CLEAR [12/2017 - 09/2018] , or refer to DTC CHECK / CLEAR [09/2018 - 10/2020]
Body Electrical > AFS > Clear DTCs
- Turn the engine switch on (IG) and wait for at least 10 seconds or more.
- Check for DTCs.
Refer to DTC CHECK / CLEAR [12/2017 - 09/2018] , or refer to DTC CHECK / CLEAR [09/2018 - 10/2020]
Body Electrical > AFS > Trouble Codes
Result
Result Proceed to DTC B2425 is output A DTC B2424 and B2425 are output B
Result:
B
See step 19
Result:
A
See step 18
- CHECK HEADLIGHT ECU SUB-ASSEMBLY RH
- Remove headlight ECU sub-assembly RH.
Refer to REMOVAL [12/2017 - 10/2020]
- Reconnect the A32 headlight ECU sub-assembly RH connector.
- Clear the DTCs.
Refer to DTC CHECK / CLEAR [12/2017 - 09/2018] , or refer to DTC CHECK / CLEAR [09/2018 - 10/2020]
Body Electrical > AFS > Clear DTCs
- Turn the engine switch on (IG) and wait for at least 10 seconds or more.
- Check for DTCs.
Refer to DTC CHECK / CLEAR [12/2017 - 09/2018] , or refer to DTC CHECK / CLEAR [09/2018 - 10/2020]
Body Electrical > AFS > Trouble Codes
Result
Result Proceed to DTC B2425 is output A DTC B2424 and B2425 are output B
Result:
A
REPLACE HEADLIGHT UNIT ASSEMBLY RH. Refer to DISASSEMBLY [12/2017 - 10/2020]
Result:
B
REPLACE HEADLIGHT ECU SUB-ASSEMBLY RH. Refer to REMOVAL [12/2017 - 10/2020]
- Remove headlight ECU sub-assembly RH.
- CHECK HARNESS AND CONNECTOR (HEADLIGHT ECU SUB-ASSEMBLY LH - HEADLIGHT ECU SUB-ASSEMBLY RH)
- Disconnect the A31 headlight ECU sub-assembly LH connector.
- Disconnect the A32 headlight ECU sub-assembly RH connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition A31-20 (LINL) or A32-20 (LINL) - Body ground Always 10 kΩ or higher Result
Proceed to OK NG
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
Result:
OK
See step 20
- CHECK HEADLIGHT ECU SUB-ASSEMBLY LH
- Remove headlight ECU sub-assembly LH.
Refer to REMOVAL [12/2017 - 10/2020]
- Reconnect the A31 headlight ECU sub-assembly LH connector.
- Clear the DTCs.
Refer to DTC CHECK / CLEAR [12/2017 - 09/2018] , or refer to DTC CHECK / CLEAR [09/2018 - 10/2020]
Body Electrical > AFS > Clear DTCs
- Turn the engine switch on (IG) and wait for at least 10 seconds or more.
- Check for DTCs.
Refer to DTC CHECK / CLEAR [12/2017 - 09/2018] , or refer to DTC CHECK / CLEAR [09/2018 - 10/2020]
Body Electrical > AFS > Trouble Codes
Result
Result Proceed to DTC B2424 is output A DTC B2424 and B2425 are output B
Result:
A
REPLACE HEADLIGHT UNIT ASSEMBLY LH. Refer to DISASSEMBLY [12/2017 - 10/2020]
Result:
B
REPLACE HEADLIGHT ECU SUB-ASSEMBLY LH. Refer to REMOVAL [12/2017 - 10/2020]
- Remove headlight ECU sub-assembly LH.
- CHECK FOR DTC
- Clear the DTCs.
Refer to DTC CHECK / CLEAR [12/2017 - 09/2018] , or refer to DTC CHECK / CLEAR [09/2018 - 10/2020]
Body Electrical > AFS > Clear DTCs
- Turn the engine switch on (IG) and wait for at least 10 seconds or more.
- Check for DTCs.
Refer to DTC CHECK / CLEAR [12/2017 - 09/2018] , or refer to DTC CHECK / CLEAR [09/2018 - 10/2020]
Body Electrical > AFS > Trouble Codes
OK
DTC B2424 and B2425 are not outputs.
Result
Result Proceed to OK A NG (DTC B2424 is output) B NG (DTC B2425 is output) C NG (DTC B2424 and B2425 are output) D
Result:
A
USE SIMULATION METHOD TO CHECK. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2017 - 09/2018] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2018 - 10/2020]
Result:
C
See step 23
Result:
D
See step 17
Result:
B
See step 22
- Clear the DTCs.
- CHECK HEADLIGHT ECU SUB-ASSEMBLY LH
- Replace the headlight ECU sub-assembly LH with a new one.
Refer to REMOVAL [12/2017 - 10/2020]
- Clear the DTCs.
Refer to DTC CHECK / CLEAR [12/2017 - 09/2018] , or refer to DTC CHECK / CLEAR [09/2018 - 10/2020]
Body Electrical > AFS > Clear DTCs
- Turn the engine switch on (IG) and wait for at least 10 seconds or more.
- Check for DTCs.
Refer to DTC CHECK / CLEAR [12/2017 - 09/2018] , or refer to DTC CHECK / CLEAR [09/2018 - 10/2020]
Body Electrical > AFS > Trouble Codes
OK
DTC B2424 is not output.
Result
Proceed to OK NG
Result:
OK
END (HEADLIGHT ECU SUB-ASSEMBLY LH WAS DEFECTIVE)
Result:
NG
REPLACE HEADLIGHT UNIT ASSEMBLY LH. Refer to DISASSEMBLY [12/2017 - 10/2020]
- Replace the headlight ECU sub-assembly LH with a new one.
- CHECK HARNESS AND CONNECTOR (HEADLIGHT ECU SUB-ASSEMBLY LH - HEADLIGHT ECU SUB-ASSEMBLY RH)
- Disconnect the A31 headlight ECU sub-assembly LH connector.
- Disconnect the A32 headlight ECU sub-assembly RH connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition A31-20 (LINL) - A32-20 (LINL) Always Below 1 Ω Result
Proceed to OK NG
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
Result:
OK
See step 24
- CHECK HEADLIGHT ECU SUB-ASSEMBLY LH (LINL TERMINAL SIGNAL OUTPUT)
- Disconnect the A32 headlight ECU sub-assembly RH connector.
- Using the Techstream, check the waveform.
OK
Tester Connection Switch Condition Specified Condition A32-20 (LINL) - Body ground Engine switch on (IG) Pulse generation Result
Proceed to OK NG
Result:
NG
REPLACE HEADLIGHT ECU SUB-ASSEMBLY LH. Refer to REMOVAL [12/2017 - 10/2020]
Result:
OK
See step 25
- CHECK HEADLIGHT ECU SUB-ASSEMBLY RH
- Replace the headlight ECU sub-assembly RH with a new one.
Refer to REMOVAL [12/2017 - 10/2020]
- Clear the DTCs.
Refer to DTC CHECK / CLEAR [12/2017 - 09/2018] , or refer to DTC CHECK / CLEAR [09/2018 - 10/2020]
Body Electrical > AFS > Clear DTCs
- Turn the engine switch on (IG) and wait for at least 10 seconds or more.
- Check for DTCs.
Refer to DTC CHECK / CLEAR [12/2017 - 09/2018] , or refer to DTC CHECK / CLEAR [09/2018 - 10/2020]
Body Electrical > AFS > Trouble Codes
OK
DTC B2425 is not output.
Result
Proceed to OK NG
Result:
OK
END (HEADLIGHT ECU SUB-ASSEMBLY RH WAS DEFECTIVE)
Result:
NG
REPLACE HEADLIGHT UNIT ASSEMBLY RH. Refer to DISASSEMBLY [12/2017 - 10/2020]
- Replace the headlight ECU sub-assembly RH with a new one.