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 Infiniti M35hFACTORY OEM SERVICE PROCEDURE

Work Procedure

START
◦ With CONSULT
1. Perform "INSPECTION MODE 5". Refer to "DESCRIPTION ".
2. Start engine and warm it up to normal operating temperature.
3. Select "SELF-LEARNING CONT" in "WORK SUPPORT" mode of "ENGINE" with CONSULT.
4. Clear mixture ratio self-learning value by touching "CLEAR".
ⓧ With GST
1. Perform "INSPECTION MODE 5". Refer to "DESCRIPTION ".
2. Start engine and warm it up to normal operating temperature.
3. Turn ignition switch OFF.
4. Disconnect mass air flow sensor (bank 1) harness connector.
5. Turn ignition switch ON.
6. Perform "INSPECTION MODE 5". Refer to "DESCRIPTION ".
7. Restart engine and let it idle for at least 5 seconds.
8. Stop engine and reconnect mass air flow sensor (bank 1) harness connector.
9. Select Service $03 with GST. Make sure DTC P0102 is detected.
10. Select Service $04 with GST to erase the DTC P0102.
  : END

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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