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 DIAGNOSISHYBRID DRIVE SYSTEMSTESTING AND INSPECTIONSCAN TOOL TESTING AND PROCEDURESHYBRID CONTROL SYSTEMOPERATION HISTORY DATA
2011 Lexus HS 250h L4-2.4L (2AZ-FXE) Hybrid
Operation History Data
2011 Lexus HS 250h L4-2.4L (2AZ-FXE) HybridSECTION Operation History Data
HYBRID / BATTERY CONTROL: HYBRID CONTROL SYSTEM: OPERATION HISTORY DATA
1. OPERATION HISTORY DATA
HINT
The hybrid vehicle control ECU records inappropriate operations performed by the driver and the number of abnormal conditions that have been input to the ECU as operation history data.
(a) Connect the Techstream to the DLC3.
(b) Turn the power switch on (IG) and turn the Techstream on.
(c) Select the following menu items: Powertrain / Hybrid Control / Data List.
(d) Select the menu to view the number of special operations or controls that have been effected.
HINT
* Latest Operation: Among the past occurrences, the number of special operations or controls that have been effected during the most recent 1 trip detection.
* Latest Trip: The number of trips after the occurrence of "Latest Operation".
* Operation before Latest: The number of occurrences during the trip previous to the "Latest Operation".
* Trip before Latest: The number of trips after the occurrence of "Operation before Latest".
Operation history data:
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:
- • 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.