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.
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HOMESERVICE MANUALSLEXUS2011HS 250H L4-2.4L (2AZ-FXE) HYBRIDREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSINFORMATION BUSTESTING AND INSPECTIONSYMPTOM RELATED DIAGNOSTIC PROCEDURESCAN COMMUNICATION SYSTEMPROBLEM SYMPTOMS TABLE
2011 Lexus HS 250h L4-2.4L (2AZ-FXE) Hybrid
Problem Symptoms Table
2011 Lexus HS 250h L4-2.4L (2AZ-FXE) HybridSECTION Problem Symptoms Table
NETWORKING: CAN COMMUNICATION SYSTEM: PROBLEM SYMPTOMS TABLE
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.
Result of CAN No. 1 Bus Check
HINT
Refer to How to Proceed with Troubleshooting for the CAN No. 1 Bus Check procedure.
Communication Stop Mode Table
RENDER: 1.0x
NO RELATED
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Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.