Lexus NX: Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART

Smart Access System with Push-button Start (for Start Function)

DTC No.

Detection Item

Link

B2271

Ignition Hold Monitor Malfunction

B2274

ACC Monitor Malfunction

B2275

STSW Monitor Malfunction

B2277

Detecting Vehicle Submersion

B2282

Vehicle Speed Signal Malfunction

B2283

Vehicle Speed Sensor Malfunction

B2284

Brake Signal Malfunction

B2285

Steering Lock Position Signal Circuit Malfunction

U0140

Lost Communication with Main Body ECU

U0142

Lost Communication with Main Body ECU

U0155

Lost Communication with Combination Meter

U0293

Lost Communication with Hybrid Vehicle Control System

U1117

Lost Communication with Accessory Gateway

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 Ignition Hold Monitor Malfunction (B2271)

DESCRIPTION This DTC is stored when a malfunction in the IG circuit and IG hold circuit in the certification ECU (smart key ECU assembly) is detected. DTC No. Detection Item DTC Detection Condi

 ACC Monitor Malfunction (B2274)

DESCRIPTION This DTC is stored when a malfunction in the ACC output circuit is detected. The ACC output circuit is the circuit that goes from the ACC output terminal of the certification ECU (smart ke

 STSW Monitor Malfunction (B2275)

DESCRIPTION This DTC is stored when a malfunction is detected in the starter circuit inside the certification ECU (smart key ECU assembly). DTC No. Detection Item DTC Detection Condition Trou

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 Removal

REMOVAL CAUTION / NOTICE / HINT HINT: When the front bumper is damaged or deformed due to an accident or contact with other objects, etc., or the bumper installation area on the body is repaired, it is necessary to perform millimeter wave radar sensor adjustment (See page ). PROCEDURE 1. PRECAUTION

 Steering Heater Switch

InspectionINSPECTION PROCEDURE 1. REMOVE NO. 2 COMBINATION SWITCH ASSEMBLY Click here 2. INSPECT NO. 2 COMBINATION SWITCH ASSEMBLY (a) Measure the voltage according to the value (s) in the table below. Standard Voltage: Tester Connection (Positive (+) Tester Probe - Negative (-) Tester Pro

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