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 MANUALSACURA2003MDX TOURINGREPAIR AND DIAGNOSIS (SINGLE PAGE)BODY & FRAMEIGNITION SWITCH/STEERING LOCKTEST
2003 Acura MDX Touring
Ignition Switch/Steering Lock: Test
2003 Acura MDX TouringSECTION Test
SRS component locations for the appropriate year:
- '03 model (see 2003 MODEL )
- '04-06 models (see 2004-2006 MODELS )
Also review the precautions and procedures (see PRECAUTIONS AND PROCEDURES ) before performing repairs or service.
- Make sure you have the anti-theft codes for the radio and the navigation system, then write down the radio presets.
- Disconnect the negative battery cable.
- Remove the dashboard lower cover (see DASHBOARD LOWER COVER REMOVAL/INSTALLATION ).
- Disconnect the 6P connector from the driver's under-dash fuse/relay box.
- Check for continuity between the terminals in each switch position according to Fig 2 .
- If the continuity checks do not agree with the table, replace the steering lock.
- After reconnecting the battery, enter the anti-theft codes for the radio and the navigation system, then enter the customer's radio presets.
- Perform the powertrain control module (PCM) idle learn procedure (see PCM IDLE LEARN PROCEDURE ) and the power window control unit reset procedure (see RESETTING THE POWER WINDOW CONTROL UNIT ).
RENDER: 1.0x
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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.