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.
2009 Lexus IS FFACTORY OEM SERVICE PROCEDURE
Electrical Component Locator: Connectors
CONNECTORS LOCATION
| Component | Location |
|---|---|
| Ab1 (White, 3 Pin) | Behind right side of dash. See Figure. |
| AD1 (Black, 10 Pin) | Left front of engine compartment. See Figure. |
| AP1 (White, 25 Pin) | Behind right side of dash. See Figure. |
| AP2 (White, 3 Pin) | Behind right side of dash. See Figure. |
| AW1 (Black/Gray, 8 Pin) | Left side of engine compartment. See Figure. |
| BA1 (Gray, 3 Pin) | Left side of engine compartment. See Figure. |
| BA2 (White, 25 Pin) | Left side of engine compartment. See Figure. |
| BA3 (Gray, 22 Pin) | Left side of engine compartment. See Figure. |
| Bz1 (Gray, 3 Pin) | Left front of engine compartment. See Figure. |
| EA2 (White, 60 Pin) | Left side of engine compartment. See Figure. |
| EA3 (White, 2 Pin) | Left side of engine compartment. See Figure. |
| EG2 (Gray, 13 Pin) | Rear of engine. See Figure. |
| EH1 (Gray, 8 Pin) | Right rear of engine. See Figure. |
| EI1 (Gray, 8 Pin) | Left rear of engine. See Figure. |
| Ez1 (Black, 3 Pin) | Right side of engine. See Figure. |
| Ja1 (Yellow, 2 Pin) | Behind right side of dash. See Figure. |
| JA1 (Yellow, 4 Pin) | Behind left kick panel. See Figure. |
| JA2 (White, 25 Pin) | Behind left kick panel. See Figure. |
| JA3 (White, 60 Pin) | Behind left kick panel. See Figure. |
| JA4 (White, 20 Pin) | Behind right kick panel. See Figure. |
| JA5 (White, 2 Pin) | Behind right kick panel. See Figure. |
| JA6 (Gray, 1 Pin) | Behind right kick panel. See Figure. |
| JK1 (White, 13 Pin) | Behind right side of dash. See Figure. |
| JP1 (White, 18 Pin) | Under center console. See Figure. |
| JP2 (White, 60 Pin) | Behind right kick panel. See Figure. |
| JQ1 (White, 60 Pin) | Behind left kick panel. See Figure. |
| JQ2 (Gray, 1 Pin) | Behind left kick panel. See Figure. |
| JQ3 (White, 10 Pin) | Under center console. See Figure. |
| JR1 (White, 22 Pin) | Base of left "A" pillar. See Figure. |
| JR2 (White, 25 Pin) | Base of left "A" pillar. See Figure. |
| Ln1 (Gray, 8 Pin) | Right front door. See Figure. |
| LP1 (White, 25 Pin) | Behind right kick panel. See Figure. |
| LP2 (White, 17 Pin) | Behind right kick panel. See Figure. |
| Mo1 (Gray, 8 Pin) | Driver's door. See Figure. |
| MQ1 (White, 25 Pin) | Behind left side of dash. See Figure. |
| MQ2 (White, 17 Pin) | Behind left side of dash. See Figure. |
| NP1 (White, 17 Pin) | Right "B" pillar. See Figure. |
| OQ1 (White, 17 Pin) | Left "B pillar. See Figure. |
| Pc1 (Yellow/White, 2 Pin) | Under right front seat. See Figure. |
| PQ1 (White, 10 Pin) | Right "C" pillar. See Figure. |
| PQ2 (White, 25 Pin) | Right "C" pillar. See Figure. |
| PT1 (White, 17 Pin) | Under right front seat. See Figure. |
| PT2 (Gray, 8 Pin) | Under right front seat. See Figure. |
| QA1 (White, 25 Pin) | Behind left side of dash. See Figure. |
| Qd1 (Yellow/White, 2 Pin) | Under driver's seat. See Figure. |
| SQ1 (White, 10 Pin) | Left rear corner of trunk. See Figure. |
| st1 (Gray, 1 Pin) | Under center console. See Figure. |
| VA1 (Black/Gray, 2 Pin) | Right front of engine compartment. See Figure. |
| XP1 (White, 5 Pin) | Right front of trunk. See Figure. |
| YQ1 (White, 5 Pin) | Left side of trunk. See Figure. |
Factory Service Tools
Use the Manual With the Right Hardware
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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.
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