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 MANUALSACURA20043.5RLREPAIR AND DIAGNOSISELECTRICALGAUGESINSTRUMENT PANELCOMPONENT TESTSA/T GEAR POSITION SWITCH
2004 Acura 3.5RL
A/T Gear Position Switch
2004 Acura 3.5RLSECTION A/T Gear Position Switch
- Set parking brake and block both front wheels. Raise and support vehicle. Pull carpet back from under right front seat, to expose secondary HO2S (heated oxygen sensor) connector. Disconnect secondary HO2S connector and push it out under vehicle. Remove exhaust pipe bracket and exhaust pipe located in front of catalytic converters. Remove secondary HO2S harness cover and remove catalytic converter. Remove heat shields.
- Disconnect A/T gear position switch 10-pin harness connector. See Fig 1
. Using ohmmeter, check continuity between specified terminals in relation to shift lever position. See A/T GEAR POSITION SWITCH CONTINUITY
table.NOTE: Check continuity while moving shift lever back and forth in free play area of each gear position. DO NOT touch push button on shift lever when checking continuity.
- If continuity is not as specified, A/T gear position switch may require adjustment. See A/T GEAR POSITION SWITCH under ADJUSTMENTS. If correct continuity cannot be obtained by adjusting A/T gear position switch, replace A/T gear position switch.
A/T GEAR POSITION SWITCH CONTINUITY
| Shift Lever Position | Check Continuity Between Terminals No. |
|---|---|
| P | 1 & 8; 8 & 10 |
| R | 2 & 8 |
| N | 3 & 8; 8 & 10 |
| D4 | 4, 8 & 9 |
| D | 5, 8 & 9 |
| 2 | 6, 8 & 9 |
| 1 | 7 & 8 |
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.