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 M37 BaseFACTORY OEM SERVICE PROCEDURE
Active Test Mode: Description
- 4WAS rear actuator assembly activation is checked according to the control signal from CONSULT.
- The control signal forcibly activates (ON/OFF) 4WAS rear assembly, performs the self-diagnosis and checks each sensor in "SELF DIAGNOSTIC MODE".CAUTION: Perform the active test while the vehicle is stopped.
| Select test item | Control signal | Remarks |
|---|---|---|
| SELF DIAGNOSTIC MODE | ON
CAUTION:
Perform the active test while the vehicle is stopped.
|
4WAS rear actuator assembly activates. It activates in the same direction as the steering angle by inputting the steering angle. |
| OFF | 4WAS rear actuator assembly stops the activation. |
ACTIVE TEST - STANDARD VALUE
| Monitor item | Active test "ON" | ||
|---|---|---|---|
| STEERING ANG | 0° (Neutral) | R 90° | L 90° |
| RR ST ANG-MAI | 2.4 V | Approx. 4.4 V | Approx. 0.4 V |
| RR ST ANG-SUB | 2.4 V | Approx. 4.4 V | Approx. 0.4 V |
| MOTOR CURRENT | No output (Approx. 0 A) | Output (change) | |
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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