Lexus NX: Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART

Power Door Lock Control System

DTC No.

Detection Item

Link

B1243

GSW Terminal Circuit Malfunction

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 GSW Terminal Circuit Malfunction (B1243)

DESCRIPTION If the collision door lock release function does not operate normally, or an open or short in the GSW input circuit of the main body ECU (multiplex network body ECU) is detected, DTC B1243

 All Doors LOCK/UNLOCK Functions do not Operate Via Door Control Switch or Door Key Cylinder

DESCRIPTION The main body ECU (multiplex network body ECU) receives switch signals from the multiplex network master switch assembly and driver door key cylinder lock or unlock switch signals from the

 All Doors LOCK/UNLOCK Functions do not Operate Via Door Control Switch

DESCRIPTION The main body ECU (multiplex network body ECU) receives switch signals from the door control switch assembly on the front passenger door and activates the door lock motor on each door acco

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 Removal

REMOVAL PROCEDURE 1. REMOVE NO. 1 ENGINE UNDER COVER ASSEMBLY Click here 2. DISCONNECT TRANSMISSION CONTROL CABLE ASSEMBLY (a) Remove the nut and disconnect the transmission control cable assembly from the control shaft lever. (b) Remove the clip from the transmission control cabl

 Removal

REMOVAL PROCEDURE 1. REMOVE FRONT WHEEL RH Click here 2. REMOVE FRONT FENDER MOULDING SUB-ASSEMBLY RH HINT: Use the same procedure described for the LH side. Click here 3. REMOVE NO. 1 MOULDING TAPE HINT: Use the same procedure described for the LH side. Click here 4. REMOVE NO. 2 MOULDING TAP

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