Lexus NX: Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART

Wireless Door Lock Control System

DTC No.

Detection Item

Link

B1242

Wireless Door Lock Tuner Circuit Malfunction

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 Wireless Door Lock Tuner Circuit Malfunction (B1242)

DESCRIPTION The door control receiver is used to receive radio waves related to the entry functions of the electrical key transmitter sub-assembly. The certification ECU (smart key ECU assembly) decod

 No Answer-Back

DESCRIPTION In some cases, wireless door lock control functions are normal but the hazard warning light and/or wireless door lock buzzer answer-back function does not operate. In such cases, hazard wa

 Heating / Air Conditioning

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 Inspection

INSPECTION PROCEDURE 1. INSPECT SEPARATE TYPE REAR SEATBACK COVER RH (REAR SEATBACK HEATER ASSEMBLY RH) (for RH Side) (a) Check the separate type rear seatback cover RH (rear seatback heater assembly RH). (1) Measure the resistance according to the value(s) in the table below. Standard Resistance

 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 ROOF RACK ASSEMBLY (a) Install the roof rack assembly with the 5 nuts. Torque: 16 N·m {163 kgf·cm, 12 ft·lbf} 2. INSTALL ROOF HEA

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