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 MANUALSTOYOTA2007HIGHLANDER HYBRID, FWDREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTEXTERIOR LIGHTSLIGHTING SYSTEM (HYBRID)LIGHTING SYSTEMDIAGNOSTIC TROUBLE CODE CHART
2007 Toyota Highlander Hybrid, FWD
Diagnostic Trouble Code Chart
2007 Toyota Highlander Hybrid, FWDSECTION Diagnostic Trouble Code Chart
If a trouble code is displayed during the DTC check, check the suspected area listed for that code in the table below,
LIGHTING SYSTEM:
DTC DETECTION CONDITION CHART
| DTC No. | Detection Item | Suspected Area |
|---|---|---|
| B1241 | Body ECU Switch Circuit Diagnosis |
|
| B1244 | Light Sensor Circuit Malfunction |
|
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.