Lexus NX: Diagnosis System
DIAGNOSIS SYSTEM
DIAGNOSIS MODE FUNCTION
(a) w/ Lane Centering Function:
When a malfunction occurs in the lane tracing assist system system, the LTA indicator light illuminates yellow and a message is displayed on the multi-information display.
| Warning Message | Details | DTC/RoB | LTA Indicator |
|---|---|---|---|
| LTA Malfunction Visit Your Dealer | Lane tracing assist system malfunction detected | Stored | Illuminated in yellow |
| LTA Unavailable | Sensor other than the forward recognition camera sensor is temporary unavailable | Stored | Illuminated in yellow |
| LTA Indicator Status | Status |
|---|---|
| *: When entering the lane departure restraint under the lane departure warning, changes to yellow blinking. | |
| Illuminated in yellow | LTA malfunction or temporarily unavailable |
| Yellow blinking | Under lane departure warning |
| Green illuminated | Steering assistance by the lane departure restraint function or lane centering function in operation* |
| White illuminated | Lane deviation monitoring |
| Off | LTA off |
(b) w/o Lane Centering Function:
When a malfunction occurs in the lane tracing assist system, the LDA indicator light illuminates yellow and a message is displayed on the multi-information display.
| Master Warning Indicator | Warning Message | Details | DTC/RoB | LDA Indicator |
|---|---|---|---|---|
| Illuminated | Lane Departure Alert Malfunction Visit Your Dealer | Lane tracing assist system malfunction detected | Stored | Illuminated in yellow |
| Illuminated | Lane Departure Alert Unavailable | Sensor other than the forward recognition camera sensor is temporary unavailable | Stored | Illuminated in yellow |
| LDA Indicator Status | Status |
|---|---|
| *: When entering the lane departure restraint under the lane departure warning, changes to yellow blinking. | |
| Illuminated in yellow | LDA malfunction or temporarily unavailable |
| Yellow blinking | Under lane departure warning |
| Green illuminated | Steering assistance by the lane departure restraint function in operation* |
| White illuminated | Lane deviation monitoring |
| Off | LDA off |
READ NEXT:
Dtc Check / Clear
DTC CHECK / CLEAR CHECK DTC (a) Connect the Techstream to the DLC3. (b) Turn the power switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Chassis / Lane Control / Trouble Codes
Freeze Frame Data
FREEZE FRAME DATA DESCRIPTION (a) Whenever a lane tracing assist system DTC is stored, the forward recognition camera stores the current vehicle state (ECU and sensor information) as Freeze Frame Data
Fail-safe Chart
FAIL-SAFE CHART FAIL-SAFE FUNCTION (a) When a malfunction occurs in the lane tracing assist system, a message is displayed on the multi-information display and control is canceled in accordance with t
SEE MORE:
Back Door Motor Circuit (B2220)
DESCRIPTION This DTC is output when the multiplex network door ECU detects a malfunction in the motor built into the power back door unit assembly set LH or RH. DTC No. Detection Item DTC Detection Condition Trouble Area B2220 Back Door Motor Circuit Motor malfunction detected in po
Definition Of Terms
DEFINITION OF TERMS Term Definition Monitor Description Description of what the ECM monitors and how it detects malfunctions (monitoring purpose and details). Related DTCs Group of diagnostic trouble codes that are output by the ECM based on the same malfunction detection logic.
