Lexus ES: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
- Use the following procedure to troubleshoot the panoramic view monitor system.
- *: Use the Techstream.
PROCEDURE
| 1. | VEHICLE BROUGHT TO WORKSHOP |
|
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| 2. | CUSTOMER PROBLEM ANALYSIS |
(a) Ask the customer about the problems and the conditions at the time the malfunction occurred to make sure the problem symptom was not temporarily caused by radio waves in the surrounding environment.
HINT:
The parking assist monitor display may be temporarily distorted due to radio waves around the vehicle.
| Problem Symptom | Cause |
|---|---|
| The problem symptom indicates a parking assist monitor display malfunction and the problem symptom cannot be reproduced. | The display may be temporarily distorted when the vehicle is close to an object that transmits radio waves, such as a telecommunication tower, an airport or a truck equipped with a transceiver. |
| Proceed to |
|---|
| NEXT |
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|
| 3. | INSPECT AUXILIARY BATTERY VOLTAGE |
(a) Measure the auxiliary battery voltage.
Standard Voltage:
11 to 14 V
If the voltage is below 11 V, replace or recharge the auxiliary battery before proceeding.
|
| 4. | SYSTEM CHECK |
(a) Check the vehicle specification.
| Result | Proceed to |
|---|---|
| w/ Navigation System | A |
| w/o Navigation System | B |
| B | | GO TO STEP 6 |
|
| 5. | CHECK NAVIGATION SYSTEM |
(a) Refer to Navigation System.
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OK:
Navigation system is normal.
| OK | | GO TO STEP 7 |
| NG | | GO TO NAVIGATION SYSTEM |
| 6. | CHECK AUDIO AND VISUAL SYSTEM |
(a) Refer to Audio and Visual System.
Click here
| Result | Proceed to |
|---|---|
| Audio and visual system is normal | A |
| Audio and visual system is abnormal | B |
| B | | GO TO AUDIO AND VISUAL SYSTEM |
|
| 7. | CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM* |
(a) Use the Techstream to check if the CAN communication system is functioning normally.
Click here
| Result | Proceed to |
|---|---|
| CAN DTCs are not output | A |
| CAN DTCs are output | B |
| B | | GO TO CAN COMMUNICATION SYSTEM |
|
| 8. | CHECK FOR DTC* |
(a) Check for DTCs and note any codes that are output.
Chassis > Circumference Monitoring Camera Control Module > Trouble Codes(b) Clear the DTCs.
Chassis > Circumference Monitoring Camera Control Module > Clear DTCs(c) Recheck for DTCs. Try to reproduce the DTCs by simulating the original activity that the DTC suggests.
Chassis > Circumference Monitoring Camera Control Module > Trouble Codes| Result | Proceed to |
|---|---|
| DTCs are not output | A |
| DTCs are output | B |
| B | | GO TO DIAGNOSTIC TROUBLE CODE CHART |
|
| 9. | PROBLEM SYMPTOMS TABLE |
(a) Refer to the Problem Symptoms Table.
Click here
| Result | Proceed to |
|---|---|
| Fault is not listed in Problem Symptoms Table | A |
| Fault is listed in Problem Symptoms Table | B |
| B | | GO TO STEP 11 |
|
| 10. | OVERALL ANALYSIS AND TROUBLESHOOTING* |
(a) Data List / Active Test
Click here
(b) Terminals of ECU
Click here
|
| 11. | ADJUST, REPAIR OR REPLACE |
|
| 12. | CONFIRMATION TEST |
| NEXT | | END |
READ NEXT:
Image from Camera for Panoramic View Monitor is Abnormal
DESCRIPTION The display signal from each camera is transmitted to the multi-display assembly via the parking assist ECU. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE:
When "!" is displayed on th
Initialization
INITIALIZATION INITIALIZE PANORAMIC VIEW MONITOR SYSTEM (a) When "!" is displayed on the multi-display assembly, correct the steering angle neutral point using the following method. (1) Fully turn the
Parts Location
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SEE MORE:
Components
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Terminals Of Ecu
TERMINALS OF ECU CHECK PARKING BRAKE ECU (BRAKE ACTUATOR ASSEMBLY) *a Front view of wire harness connector (to Parking Brake ECU (Brake Actuator Assembly)) - - (a) Disconnect the A54 parking brake ECU (brake actuator assembly) connector. (b) Measure the voltage and resistance according
