Lexus NX: Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART

Automatic Headlight Beam Level Control System (for Triple Beam Headlight)

DTC No.

Detection Item

Link

B2410

Headlight Swivel Motor LH Communication Malfunction

B2411

Headlight Swivel Motor RH Communication Malfunction

B2415

Vehicle Speed Sensor Malfunction

B2416

Height Control Sensor Malfunction

B2417

Headlight Beam Level Control Motor LH Malfunction

B2418

Headlight Beam Level Control Motor RH Malfunction

B241A

Rear Height Control Sensor

B2424

Headlight Leveling Motor LH Communication Malfunction

B2425

Headlight Leveling Motor RH Communication Malfunction

B2450

Initialization has not been Performed

B2452

Height Control Sensor Data Out of Range When Initializing

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 Vehicle Speed Sensor Malfunction (B2415)

DESCRIPTION The headlight ECU sub-assembly LH receives speed signals from the brake booster with master cylinder assembly (skid control ECU) via CAN communication and performs light control. DTC No

 Height Control Sensor Malfunction (B2416,B241A)

DESCRIPTION The headlight ECU sub-assembly LH supplies 5 V to the rear height control sensor LH, reads changes in the voltage that occur due to height sensor resistance changes according to the vehicl

 Headlight Beam Level Control Motor LH Malfunction (B2417,B2418)

DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area B2417 Headlight Beam Level Control Motor LH Malfunction Power switch on (IG) Malfunction in headlight

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 Open in One Side of Bus 5 Branch Line

DESCRIPTION When the CAN bus main lines are normal (no open, short to ground, short to +B or short between lines) and there is an ECU or sensor on the "Communication Bus Check" screen that is indicated as not communicating or whose connection status on the "Communication Bus Check" screen changes in

 Installation

INSTALLATION PROCEDURE 1. INSTALL REAR WIPER MOTOR GROMMET (a) Apply MP grease to the entire circumference of the lip portion of the rear wiper motor grommet. HINT: Do not fill the hole with MP grease. Only apply MP grease to the grooves of the lip portion. *a Lip Portion

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