Lexus NX: Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART

Back Door Closer System

DTC No.

Detection Item

Link

B2250

Back Door Closer Operation Malfunction

B2251

Back Door Closer Switch Malfunction

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 Back Door Closer Operation Malfunction (B2250)

DESCRIPTION The multiplex network door ECU receives signals from the latch switch, initial switch, pawl switch and back door courtesy switch, which are built into the back door lock assembly. Based on

 Back Door Closer Switch Malfunction (B2251)

DESCRIPTION The multiplex network door ECU receives signals from the latch switch, initial switch, pawl switch and back door courtesy switch, which are built into the back door lock assembly. Based on

 Back Door Closer does not Operate

DESCRIPTION When the back door closer does not operate, one of the following may be the cause: 1) improper fit of the back door, or a foreign object is stuck in the back door, 2) a malfunction in the

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 System Diagram

SYSTEM DIAGRAM Communication Table Transmitting ECU (Transmitter) Receiving ECU Signal Communication Method Main Body ECU (Multiplex Network Body ECU) Multiplex Tilt and Telescopic ECU Auto away/return state signal 3Tilt and telescopic position request signal Driver positio

 Rear Door LH Entry Lock Function does not Operate

DESCRIPTION If the entry lock function does not operate for the rear door LH only, but the entry unlock function operates, the request code is being transmitted properly from the rear door LH. In this case, there may be a problem related to the lock sensor (connection between the certification ECU (

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