Lexus ES: Diagnosis System
DIAGNOSIS SYSTEM
FUNCTION OF INDICATOR AND WARNING MESSAGE
(a) If the lane control system is not functioning properly, the driver is warned through the LTA indicator and a warning message is displayed on the multi-information display.
| LTA Indicator | Warning Message | Details | DTC/Vehicle Control History (RoB) |
|---|---|---|---|
| Illuminated (yellow) | LTA Malfunction Visit Your Dealer | Lane control system is malfunctioning | Stored |
| Illuminated (yellow) | LTA Unavailable | Sensor other than forward recognition camera sensor is temporarily disabled | Stored |
| LTA Indicator | Condition |
|---|---|
| *If the steering assist function operates while the lane departure alert function is operating, the LTA indicator will blink (yellow). | |
| Illuminated (yellow) | The lane control system is malfunctioning or temporarily disabled |
| Blinking (yellow) | Lane departure alert function is operating |
| Illuminated (green) | Steering assist function or lane centering function is operating* |
| Illuminated (white) | Monitoring for lane departure |
| Not illuminated | Lane control system is not operating |
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| *a | LTA Indicator |
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
Fail-safe Chart
FAIL-SAFE CHART FAIL-SAFE FUNCTION (a) When a malfunction occurs in the lane control system, a message will be displayed on the multi-information display and, depending on the malfunction, functions o
Freeze Frame Data
FREEZE FRAME DATA DESCRIPTION (a) Whenever a lane control system DTC is stored, the forward recognition camera stores the current vehicle state as Freeze Frame Data. CHECK FREEZE FRAME DATA (a) Connec
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Inspection
INSPECTION PROCEDURE 1. INSPECT STEERING PAD SWITCH ASSEMBLY (a) Measure the resistance according to the value(s) in the table below. *a Component without harness connected (Steering Pad Switch Assembly) *b Up *c Down *d Right *e Left *f OK *g Back *h On/off H
Sound Signal Circuit between Radio Receiver and Stereo Jack Adapter
DESCRIPTION The No. 1 stereo jack adapter assembly sends the sound signal from an external device to the radio receiver assembly via this circuit. WIRING DIAGRAM PROCEDURE 1. CHECK HARNESS AND CONNECTOR (RADIO RECEIVER ASSEMBLY - NO. 1 STEREO JACK ADAPTER ASSEMBLY) (a) Disconnect the G5 ra
