Lexus NX: Fail-safe Chart
FAIL-SAFE CHART
FAIL-SAFE FUNCTION
(a) Headlight ECU sub-assembly
(1) The headlight ECU sub-assembly stops light operation if the following malfunctions are detected.
| Malfunction | Multi-information Display Warning | DTC Output | ||
|---|---|---|---|---|
| Lighting on/off | LED light source malfunction | Low beam | Displayed | Output |
| High beam | Not Displayed | Output | ||
| Fan malfunction | Displayed | Output | ||
| Other than above (communication with main body ECU (multiplex network body ECU)) | Displayed | Output | ||
| Automatic headlight beam level control system | Displayed | Output | ||
| AFS (adaptive front-lighting system)* | Displayed | Output | ||
| Power supply | IG voltage line malfunction | Displayed | Output | |
| Other than an IG voltage line malfunction | Not displayed | Not output | ||
- *: w/ AFS (Adaptive Front-lighting System)
READ NEXT:
Freeze Frame Data
FREEZE FRAME DATA FREEZE FRAME DATA (a) Whenever an automatic headlight beam level control system DTC is stored, the headlight ECU subassembly LH stores the current vehicle state as freeze frame data.
Data List / Active Test
DATA LIST / ACTIVE TEST NOTICE: In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faul
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 Malfuncti
SEE MORE:
Position Initialization Incomplete (B2343)
DESCRIPTION This DTC is stored when the sliding roof drive gear sub-assembly (sliding roof ECU) has not been initialized. DTC No. Detection Item DTC Detection Condition Trouble Area B2343 Position Initialization Incomplete Sliding roof drive gear sub-assembly (sliding roof ECU) has
Reassembly
REASSEMBLY PROCEDURE 1. INSTALL NO. 2 STEERING RACK BOOT (a) Apply lithium soap base glycol grease to the inside of the steering rack end. *1 Rack Housing *2 Steering Rack End *a Grease Application Area (b) Install the No. 2 steering rack boot to the groove on
© 2016-2025 Copyright www.lexunx.com
