How To Proceed With Troubleshooting

2010 Lexus LX 570 V8-5.7L (3UR-FE)SECTION How To Proceed With Troubleshooting




PARK ASSIST / MONITORING: WIDE VIEW FRONT MONITOR SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING

HINT
* Use the following procedure to troubleshoot the wide view front monitor system.
* *: Use the Techstream.
1. VEHICLE BROUGHT TO WORKSHOP

NEXT -- Continue to next step.

2. INSPECT BATTERY VOLTAGE

Standard Voltage:

11 to 14 V

If the voltage is below 11 V, replace or recharge the battery before proceeding to the next step.

NEXT -- Continue to next step.

3. CHECK NAVIGATION SYSTEM

(a) Refer to the navigation system How to Proceed With Troubleshooting.





B -- GO TO NAVIGATION SYSTEM
A -- Continue to next step.

4. CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*

(a) Use the Techstream to check if the CAN communication system is functioning normally.





B -- GO TO CAN COMMUNICATION SYSTEM How to Proceed With Troubleshooting
A -- Continue to next step.

5. CHECK FOR DTC*

(a) Check for DTC's and note any codes that are output Wide View Front Monitor System.

(b) Clear the DTC Wide View Front Monitor System.

(c) Recheck for DTC's. Try to prompt the DTC by simulating the original activity that the DTC suggests.

NOTICE:
The parking assist ECU may store the DTC's of the following system. If DTC's other than those specified in Diagnostic Trouble Code Chart of the wide view front monitor system are output, refer to Diagnostic Trouble Code Chart for the applicable system.









B -- Go to step 8
A -- Continue to next step.

6. PROBLEM SYMPTOMS TABLE

(a) Refer to the Problem Symptoms Table Problem Symptoms Table.





B -- Go to step 8
A -- Continue to next step.

7. OVERALL ANALYSIS AND TROUBLESHOOTING

(a) Refer to Terminals of ECU Wide View Front Monitor System.

NEXT -- Continue to next step.

8. ADJUST, REPAIR OR REPLACE

NEXT -- Continue to next step.

9. CONFIRMATION TEST

NEXT -- END
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.