Lexus NX: CAN Communication Failure (Message Registry) (U1000)
Lexus NX Service Manual / Vehicle Exterior / Lighting (ext) / Lighting System (for Triple Beam Headlight) / CAN Communication Failure (Message Registry) (U1000)
DESCRIPTION
This DTC is output when an internal malfunction of the CAN communication-related ECU is stored.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| U1000 | CAN Communication Failure (Message Registry) | A headlight ECU sub-assembly LH CAN communication function malfunction is detected | Headlight ECU sub-assembly LH |
CAUTION / NOTICE / HINT
NOTICE:
If the headlight ECU sub-assembly LH has been replaced, it is necessary to synchronize the vehicle information and initialize the headlight ECU sub-assembly LH.
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PROCEDURE
| 1. | CHECK FOR DTC |
(a) Turn the power switch on (IG).
(b) Check for DTCs.
Click here
OK:
DTC U1000 is not output.
| OK | .gif) | USE SIMULATION METHOD TO CHECK |
| NG | | REPLACE HEADLIGHT ECU SUB-ASSEMBLY LH |
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Removal
REMOVAL CAUTION / NOTICE / HINT CAUTION: Wear protective gloves. Sharp areas on the parts may injure your hands. PROCEDURE 1. REMOVE FRONT SEAT ASSEMBLY LH Click here 2. REMOVE FRONT LOWER SEAT CUSHION SHIELD Click here 3. REMOVE FRONT SEAT CUSHION SHIELD LH Click here 4. REMOVE FRONT INNER S
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