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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SEE MORE:
Installation
INSTALLATION CAUTION / NOTICE / HINT HINT:
Use the same procedure for the RH and LH sides.
The procedure listed below is for the LH side.
PROCEDURE 1. INSTALL REAR NO. 1 SPRING BUMPER LH (a) Using SST, install the rear No. 1 spring bumper LH. SST: 09922-10010 Torque: Specified tightening
Inspection
INSPECTION PROCEDURE 1. INSPECT WINDSHIELD WASHER MOTOR AND PUMP ASSEMBLY (for Front Side) HINT: This check should be performed with the windshield washer motor and pump assembly installed to the windshield washer jar assembly. (a) With the windshield washer motor and pump assembly installed to the
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