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.
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OK:
DTC U1000 is not output.
| OK | .gif) | USE SIMULATION METHOD TO CHECK |
| NG | | REPLACE HEADLIGHT ECU SUB-ASSEMBLY LH |
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Test Mode Procedure
TEST MODE PROCEDURE WARNING LIGHT AND INDICATOR LIGHT INITIAL CHECK (a) When the power switch is turned on (IG), check that the ABS warning, brake warning / red (malfunction), brake warning / yellow (minor malfunction), slip indicator, brake hold standby indicator and brake hold operated indicator l
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Install the rear stabilizer bushing so that the bushing stopper of the rear stabilizer bar is f
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