Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
SYS.OK|MANUAL.DBβ LIVE
HOMESERVICE MANUALSLEXUS2010LX 570 V8-5.7L (3UR-FE)REPAIR AND DIAGNOSISBODY AND FRAMEDOORS, HOOD AND TRUNKTRUNK / LIFTGATETESTING AND INSPECTIONINITIAL INSPECTION AND DIAGNOSTIC OVERVIEWPOWER BACK DOOR SYSTEMHOW TO PROCEED WITH TROUBLESHOOTING
2010 Lexus LX 570 V8-5.7L (3UR-FE)
How To Proceed With Troubleshooting
2010 Lexus LX 570 V8-5.7L (3UR-FE)SECTION How To Proceed With Troubleshooting
DOOR / HATCH: POWER BACK DOOR SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING
HINT
* Use the following procedures to troubleshoot the power back door 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, recharge or replace the battery before proceeding.
NEXT -- Continue to next step.
3. 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 Diagnosis System
A -- Continue to next step.
4. CHECK FOR DTC*
(a) Clear the DTC's Power Back Door System.
(b) Recheck for DTC's Power Back Door System.
B -- Go to DIAGNOSTIC TROUBLE CODE CHART Power Back Door System
A -- Continue to next step.
5. PROBLEM SYMPTOMS TABLE
(a) Refer to the Problem Symptoms Table Power Back Door System.
B -- Go to step 7
A -- Continue to next step.
6. OVERALL ANALYSIS AND TROUBLESHOOTING*
(a) Operation Check Operation Check.
(b) Terminals of ECU Power Back Door System.
(c) Data List / Active Test Power Back Door System.
NEXT -- Continue to next step.
7. REPAIR OR REPLACE
NEXT -- Continue to next step.
8. 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.