DESCRIPTION
The headlight ECU sub-assembly LH or headlight ECU sub-assembly RH stores this DTC if it detects an internal malfunction related to the CAN communication system.
for LED Type Turn Signal Light DTC No. | Detection Item | DTC Detection Condition | Trouble Area | DTC Output from |
---|---|---|---|---|
U1000 | CAN Communication Failure (Message Registry) |
| Headlight ECU sub-assembly LH | AFS |
DTC No. | Detection Item | DTC Detection Condition | Trouble Area | DTC Output from |
---|---|---|---|---|
U1000 | CAN Communication Failure (Message Registry) |
| Headlight ECU sub-assembly RH | AFS (Sub) |
DTC No. | Detection Item | DTC Detection Condition | Trouble Area | DTC Output from |
---|---|---|---|---|
U1000 | CAN Communication Failure (Message Registry) |
| Headlight ECU sub-assembly LH | HL AutoLeveling |
DTC No. | Detection Item | DTC Detection Condition | Trouble Area | DTC Output from |
---|---|---|---|---|
U1000 | CAN Communication Failure (Message Registry) |
| Headlight ECU sub-assembly RH | HL AutoLeveling (Sub) |
CAUTION / NOTICE / HINT
NOTICE:
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PROCEDURE
1. | CONFIRM MODEL |
(a) Choose the model to be inspected.
Result | Proceed to |
---|---|
for LED Type Turn Signal Light | A |
for Bulb Type Turn Signal Light | B |
B | GO TO STEP 4 |
|
2. | CLEAR DTC |
(a) Connect the Techstream to the DLC3.
(b) Turn the power switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / AFS or AFS (Sub) / Trouble Codes.
(e) Clear the DTCs.
Body Electrical > AFS > Clear DTCs Body Electrical > AFS (Sub) > Clear DTCs
|
3. | CHECK FOR DTC |
(a) Connect the Techstream to the DLC3.
(b) Turn the power switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / AFS or AFS (Sub) / Trouble Codes.
(e) Check for DTCs.
Body Electrical > AFS > Trouble Codes Body Electrical > AFS (Sub) > Trouble CodesOK:
DTC U1000 is not output.
Result | Proceed to |
---|---|
OK | A |
NG (DTC output from headlight ECU sub-assembly LH) | B |
NG (DTC output from headlight ECU sub-assembly RH) | C |
A | USE SIMULATION METHOD TO CHECK |
B | REPLACE HEADLIGHT ECU SUB-ASSEMBLY LH |
C | REPLACE HEADLIGHT ECU SUB-ASSEMBLY RH |
4. | CLEAR DTC |
(a) Connect the Techstream to the DLC3.
(b) Turn the power switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / HL AutoLeveling or HL AutoLeveling (Sub) / Trouble Codes.
(e) Clear the DTCs.
Body Electrical > HL AutoLeveling > Clear DTCs Body Electrical > HL AutoLeveling (Sub) > Clear DTCs
|
5. | CHECK FOR DTC |
(a) Connect the Techstream to the DLC3.
(b) Turn the power switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / HL AutoLeveling or HL AutoLeveling (Sub) / Trouble Codes.
(e) Check for DTCs.
Body Electrical > HL AutoLeveling > Trouble Codes Body Electrical > HL AutoLeveling (Sub) > Trouble CodesOK:
DTC U1000 is not output.
Result | Proceed to |
---|---|
OK | A |
NG (DTC output from headlight ECU sub-assembly LH) | B |
NG (DTC output from headlight ECU sub-assembly RH) | C |
A | USE SIMULATION METHOD TO CHECK |
B | REPLACE HEADLIGHT ECU SUB-ASSEMBLY LH |
C | REPLACE HEADLIGHT ECU SUB-ASSEMBLY RH |