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.

2007 Mazda CX-7 Touring, FWDFACTORY OEM SERVICE PROCEDURE

Pcm Removal/Installation

NOTE:

For PCM replacement, set up the M-MDS and perform the PCM configuration. (See PCM CONFIGURATION .)

Disconnect the negative battery cable.
Remove the charge air cooler duct. (See INTAKE AIR SYSTEM REMOVAL/INSTALLATION ).
Remove the Battery and battery tray. (See BATTERY REMOVAL/INSTALLATION[L3 WITH TC] ).
Remove the mudguard (LH).
Remove in the order indicated in the table.
When replacing the PCM on the vehicles, perform the following.
- PCM parameter reset (See IMMOBILIZER SYSTEM COMPONENT REPLACEMENT/KEY ADDITION AND CLEARING[ADVANCED KEYLESS SYSTEM] .) (See IMMOBILIZER SYSTEM COMPONENT REPLACEMENT/KEY ADDITION AND CLEARING[KEYLESS ENTRY SYSTEM] ).
Install in the reverse order of removal

Fig 1: PCM Replacement Components With Torque Specifications
Courtesy of MAZDA MOTORS CORP.

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.