DESCRIPTION
The No. 1 headlight ECU sub-assembly LH sends automatic headlight beam level control signals to each headlight swivel motor and headlight leveling motor via LIN communication.
Each No. 1 headlight ECU sub-assembly and headlight swivel motor and headlight leveling motor communicate via LIN communication.
The headlight swivel motor and headlight leveling motor operates according to power supplied and automatic headlight beam level control signals from its respective No. 1 headlight ECU sub-assembly and sends its operating state to the No. 1 headlight ECU sub-assembly.
The No. 1 headlight ECU sub-assembly LH stores a DTC if it detects that a headlight swivel motor and headlight leveling motor is malfunctioning.
DTC No. | Detection Item | DTC Detection Condition | Trouble Area | DTC Output from |
---|---|---|---|---|
B2412 | Headlight Swivel Motor LH |
| Headlight unit LH | AFS |
B2413 | Headlight Swivel Motor RH |
| Headlight unit RH | AFS |
B2417 | Headlight Beam Level Control Motor LH |
| Headlight unit LH | AFS |
B2418 | Headlight Beam Level Control Motor RH |
| Headlight unit RH | AFS |
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Click here
Click here
PROCEDURE
1. | CONFIRM MODEL |
(a) Choose the model to be inspected.
Result | Proceed to |
---|---|
for TMC Made | A |
for TMMC Made | B |
B | ![]() | GO TO STEP 4 |
|
2. | CLEAR DTC |
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / AFS / Trouble Codes.
(e) Clear the DTCs.
Body Electrical > AFS > Clear DTCs
|
3. | CHECK FOR DTC |
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / AFS / Trouble Codes.
(e) Check for DTCs.
Body Electrical > AFS > Trouble CodesOK:
DTC B2412, B2413, B2417 and B2418 are not output.
Result | Proceed to |
---|---|
OK | A |
NG (DTC B2412 or B2417 is output) | B |
NG (DTC B2413 or B2418 is output) | C |
A | ![]() | USE SIMULATION METHOD TO CHECK |
B | ![]() | REPLACE HEADLIGHT UNIT LH |
C | ![]() | REPLACE HEADLIGHT UNIT RH |
4. | CLEAR DTC |
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / AFS / Trouble Codes.
(e) Clear the DTCs.
Body Electrical > AFS > Clear DTCs
|
5. | CHECK FOR DTC |
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / AFS / Trouble Codes.
(e) Check for DTCs.
Body Electrical > AFS > Trouble CodesOK:
DTC B2412, B2413, B2417 and B2418 are not output.
Result | Proceed to |
---|---|
OK | A |
NG (DTC B2412 or B2417 is output) | B |
NG (DTC B2413 or B2418 is output) | C |
A | ![]() | USE SIMULATION METHOD TO CHECK |
B | ![]() | REPLACE HEADLIGHT ASSEMBLY LH |
C | ![]() | REPLACE HEADLIGHT ASSEMBLY RH |
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