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.

2012 Acura MDXFACTORY OEM SERVICE PROCEDURE

CMP Sensor Replacement

Remove the timing belt (see TIMING BELT INSPECTION ).
Remove the front camshaft pulley (CMP pulse plate) (A).

Fig 1: Identifying Front Camshaft Pulley (CMP Pulse Plate) And CMP Sensor 3P Connector
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Disconnect the CMP sensor 3P connector (B), then remove the back cover (C).
Remove the CMP sensor (A) from the back cover.

Fig 2: Identifying CMP Sensor
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Install the parts in the reverse order of removal. Install the timing belt (see TIMING BELT INSTALLATION ).
Do the CKP pattern clear/CKP pattern learn procedure (see HDS CLEAR COMMAND ).

Factory Service Tools

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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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