Problem Symptoms Table [08/2013 - ]
WARNING: This page is about a different car, the 2014 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
- The following inspection procedures for the parking assist monitor system are based on the assumption that the audio and visual system is normal. If the audio and visual system has any malfunctions, first proceed with troubleshooting the audio and visual system. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2013 - ] .
- When replacing the multi-media module receiver assembly, refer to Calibration. Refer to CALIBRATION [08/2013 - ] .
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.
- Inspect the fuses and relays related to this system before inspecting the suspected areas below.
GENERAL
| Symptom | Suspected Area | See |
|---|---|---|
| When the shift lever is in R, an image of the area behind the vehicle is not displayed (screen is not black). | CAN communication system | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2013 - ] |
| Multi-media module receiver assembly | Refer to REMOVAL [08/2013 - ] | |
| When the shift lever is in R, an image of the area behind the vehicle is not displayed (screen is black). | Proceed to "Image from Camera for Parking Assist Monitor is Abnormal" | Refer to Image from Camera for Parking Assist Monitor is Abnormal [08/2013 - ] |
| Multi-media module receiver assembly | Refer to REMOVAL [08/2013 - ] | |
| When the shift lever is not in R, an image of the area behind the vehicle is displayed. | CAN communication system | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2013 - ] |
| Multi-media module receiver assembly | Refer to REMOVAL [08/2013 - ] |
DISPLAY MALFUNCTION
| Symptom | Suspected Area | See |
|---|---|---|
| Image from the camera for the parking assist monitor is abnormal. | Proceed to "Image from Camera for Parking Assist Monitor is Abnormal" | Refer to Image from Camera for Parking Assist Monitor is Abnormal [08/2013 - ] |
| Projected course lines are displayed with steering linked lines and fixed lines overlapping. | Proceed to "Guide Lines are Displayed with Vehicle Center Line" | Refer to Guide Lines are Displayed with Vehicle Center Line [08/2013 - ] |
PARKING ASSIST MONITOR SYSTEM MALFUNCTION
| Symptom | Suspected Area | See |
|---|---|---|
| Projected course guide lines are not displayed. | Parking assist monitor screen display mode settings. (Check if the parking guide lines are set to off.) | Refer to SYSTEM DESCRIPTION [08/2013 - ] |
| Multi-media module receiver assembly | Refer to REMOVAL [08/2013 - ] | |
| "System initializing" is displayed. | Correct the steering angle neutral point | Refer to INITIALIZATION [08/2013 - ] |
| "System initializing" is displayed even after correcting the steering angle neutral point. | Spiral cable with sensor sub-assembly | Refer to REMOVAL [08/2013 - ] |
| Correct the steering angle neutral point | Refer to INITIALIZATION [08/2013 - ] | |
| Steering angle setting (Calibration) | Refer to CALIBRATION [08/2013 - ] | |
| Multi-media module receiver assembly | Refer to REMOVAL [08/2013 - ] | |
| "System not ready" is displayed. | Parking assist monitor system initialization (Calibration) | Refer to CALIBRATION [08/2013 - ] |
| "System not ready" is displayed even after parking assist monitor system initialization. | Multi-media module receiver assembly | Refer to REMOVAL [08/2013 - ] |
| During parallel parking assist mode, the screen does not change even though the vehicle has moved. | If the vehicle is reversing at very low speed, the screen may not change | - |
| During parallel parking assist mode, the screen changes even though the vehicle has not moved. | If the vehicle is stopped for extended period of time, the screen may change | - |
| Guide lines and buttons are not displayed for all parking assist monitor screen display modes. | CAN communication system | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2013 - ] |
| Proceed to "Guide Lines and Buttons are not Displayed for All Display Modes" | Refer to Guide Lines and Buttons are not Displayed for All Display Modes [08/2013 - ] | |
| The guide lines and buttons remain displayed even though the luggage compartment door is open. | CAN communication system | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2013 - ] |
| Proceed to "Guide Lines and Buttons are not Displayed for All Display Modes" | Refer to Guide Lines and Buttons are not Displayed for All Display Modes [08/2013 - ] | |
| When adjusting the camera optical axis, "Back door is open. Do not use the rear view monitor when the back door is not completely closed." is displayed even after the luggage compartment door has been closed. | CAN communication system | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2013 - ] |
| Proceed to "Guide Lines and Buttons are not Displayed for All Display Modes" | Refer to Guide Lines and Buttons are not Displayed for All Display Modes [08/2013 - ] | |
| "CHK" message(s) are displayed on the Car Signal Check screen. | Car signal check (Diagnosis) | Refer to DIAGNOSIS SYSTEM [08/2013 - ] |
| When an image of the area behind the vehicle is displayed, the lines are misaligned. (The image from the camera is tilted.) | Back camera position setting (Calibration) | Refer to CALIBRATION [08/2013 - ] |