Lexus ES: Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
NOTICE:
-
The following inspection procedure of the panoramic view monitor system is described on the assumption that the audio and visual system*1 or navigation system*2 is normal. If the audio and visual system*1 or navigation system*2 has any malfunction, first proceed with troubleshooting of the audio and visual system*1 or navigation system*2.
- *1: w/o Navigation System
- *2: w/ Navigation System
- Depending on the parts that are replaced or operations that are performed during vehicle inspection or maintenance, calibration of other systems as well as the panoramic view monitor system may be needed.
HINT:
Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
General| Symptom | Suspected Area | Link |
|---|---|---|
| Display does not switch when the panoramic view monitor switch is pressed. | Refer to "Panoramic View Screen Description" in system description | |
| Proceed to "ECU Power Source Circuit" | | |
| Diagnostic mode - Signal connection check (CAMERA SW check) | | |
| Replace parking assist ECU | | |
| Display does not switch to the panoramic view and rear view screen, wide rear view screen, or narrow rear view screen when the shift lever is in R. | Diagnostic mode - Signal connection check (SHIFT check) | |
| Replace parking assist ECU | | |
| Image not displayed on the panoramic view and rear view screen, wide rear view screen or narrow rear view screen when the shift lever is in R. | Proceed to "Image from Camera for Panoramic View Monitor is Abnormal" | |
| Display does not switch to the see through view screen or moving view screen when the panoramic view monitor switch is pressed. | Refer to "Panoramic View Screen Description" in system description | |
| Diagnostic mode - Signal connection check (CAN check) | | |
| Diagnostic mode - Signal connection check (CAMERA SW check) | | |
| Replace parking assist ECU | | |
| Image not displayed on the see through view screen or moving view screen when the panoramic view monitor switch is pressed. | Proceed to "Image from Camera for Panoramic View Monitor is Abnormal" | |
| Display does not switch to the panoramic view and wide front view screen or the two-side view screen when the panoramic view monitor switch is pressed. | Proceed to Description "Panoramic View Monitor Screen Display Conditions" | |
| Diagnostic mode - Signal connection check (CAN check) | | |
| Diagnostic mode - Signal connection check (CAMERA SW check) | | |
| Replace parking assist ECU | | |
| Image not displayed on the panoramic view and wide front view screen or side clearance view screen when the panoramic view monitor main switch is pressed. | Proceed to "Image from Camera for Panoramic View Monitor is Abnormal" | |
| Display does not switch to the retracted screen when the outer mirrors are retracted. | Diagnostic mode - Signal connection check (CAN check) | |
| Parking assist ECU | | |
| Display does not switch from the retracted screen when the outer mirrors are not in the retracted position. | Diagnostic mode - Signal connection check (CAN check) | |
| Parking assist ECU | |
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| Symptom | Suspected Area | Link |
|---|---|---|
| Objects not displayed correctly on the panoramic view monitor screen (color, distorted image). | Proceed to "Image from Camera for Panoramic View Monitor is Abnormal" | |
| Distorted display on panoramic view screen. | Camera view adjustment (calibration) | |
| Replace parking assist ECU | | |
| Parking lines do not match at front and rear on panoramic view screen. | Camera view adjustment (calibration) | |
| Replace parking assist ECU | | |
| Partial black screen on panoramic view screen. | Proceed to "Image from Camera for Panoramic View Monitor is Abnormal" | |
| Camera view adjustment (calibration) | | |
| Replace parking assist ECU | | |
| Area displayed differs from the actual area. | Ensure no door is opened | - |
| Camera view adjustment (calibration) | | |
| Replace parking assist ECU | |
| Symptom | Suspected Area | Link |
|---|---|---|
| Panoramic view monitor switch night illumination does not illuminate. | Inspect panoramic view monitor switch | |
| Harness or connector | - | |
| The remote touch switch operation does not work for any system. | Audio and visual system - Remote touch self check*1 | |
| Navigation system - Remote touch self check*2 | | |
| Replace parking assist ECU | | |
| Multi-display Assembly | | |
| The touch function of the screen does not operate for the panoramic view monitor system. | Replace parking assist ECU | |
| Multi-display Assembly | |
| Symptom | Suspected Area | Link |
|---|---|---|
| When the vehicle speed increases in the automatic display mode, the panoramic view and wide front view screen or the two-side view screen remains displayed, without switching to the navigation screen. | Replace parking assist ECU | |
| The screen display timer function does not operate if the manual display mode is selected. | Refer to "Panoramic View Screen Description" in system description | |
| Replace parking assist ECU | | |
| The estimated course lines do not match the vehicle width extension lines when the steering wheel points straight ahead. | Check the steering wheel installation angle | |
| Adjust steering angle | | |
| Camera view adjustment (calibration) | | |
| Replace parking assist ECU | | |
| Estimated course lines stop moving before the steering wheel is turned fully left. | Steering angle setting (calibrate stored maximum steering angle) | |
| "!" is displayed and estimated course lines are not displayed. | Check if the luggage compartment door is not open | - |
| Replace parking assist ECU | | |
| Replace radio receiver assembly | | |
| Estimated course lines are not displayed. | Check the panoramic view monitor screen display mode settings (Check if the estimated course lines display is set to off) | |
| Replace parking assist ECU | | |
| "!" is displayed. | Store the steering angle sensor steering neutral point | |
| "!" remains displayed after the steering neutral point is stored. | Adjust steering angle | |
| Replace steering sensor | | |
| Replace parking assist ECU | | |
| "!" is displayed and all the buttons on the screen are grayed out. | Camera view adjustment (calibration) | |
| Adjust steering angle | | |
| Refer to Audio and Visual System*1 | | |
| Refer to Navigation System*2 | | |
| "!" is displayed and all the buttons on the screen are grayed out even after parking assist ECU initialization has been completed. | Replace parking assist ECU | |
| Refer to Audio and Visual System*1 | | |
| Refer to Navigation System*2 | | |
| Guide lines and buttons are not displayed on the panoramic view and rear view screen display screen. | Check if the luggage compartment door is not open | - |
| Check if the luggage compartment light turns on and off normally (If not, refer to Lighting System (Interior) - Problem Symptoms Table) | | |
| Replace parking assist ECU | | |
| "CHK" is displayed for an item on the Vehicle Signal Check screen. | Diagnostic mode - Signal connection check | |
| Blind spots in image. | Ensure no door is opened | - |
| Camera view adjustment (calibration) | | |
| Camera boundary lines are poorly connected. | Camera view adjustment (calibration) | |
| Estimated course lines are displaced. | Camera view adjustment (calibration) | |
| Adjust steering angle | | |
| All buttons on the panoramic view monitor are continuously grayed out | Refer to Audio and Visual System*1 | |
| Refer to Navigation System*2 | |
- *1: w/o Navigation system
- *2: w/ Navigation system
READ NEXT:
System Description
SYSTEM DESCRIPTION GENERAL (a) This system has front, passenger side, driver side and rear television camera assemblies mounted around the vehicle to display around the vehicle on the multi-display as
System Diagram
SYSTEM DIAGRAM
Terminals Of Ecu
TERMINALS OF ECU PARKING ASSIST ECU (a) Disconnect the N44 parking assist ECU connector. (b) Measure the voltage and resistance according to the value(s) in the table below. Terminal No. (Symbol)
SEE MORE:
Removal
REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during fuel main valve assembly removal/installation are shown below. Necessary Procedures After Parts Removed/
VC Output Circuit
DESCRIPTION The ECM constantly generates a 5 V power source voltage from the auxiliary battery voltage supplied to the +B, +B2 (BATT) terminals to operate the microprocessor. The ECM also provides this power to the sensors through the VC output circuit. When the VC circuit has a short circuit, the
