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.
2017 Infiniti QX70 AWDFACTORY OEM SERVICE PROCEDURE
Component Description
*: Applicable
| Component | Function Description | Description | ||
|---|---|---|---|---|
| * 1 | * 2 | * 3 | ||
| ICC Sensor Integrated Unit | * | * | * | Refer to DESCRIPTION . |
| ECM | * | * | * | Refer to DESCRIPTION . |
| ABS Actuator And Electric Unit (Control Unit) | * | * | * | Refer to DESCRIPTION . |
| BCM | * | Transmits the front wiper request signal to ICC sensor integrated unit via CAN communication. | ||
| TCM | * | * | Refer to DESCRIPTION . | |
| Unified Meter And A/C Amp. | * | * | * | Receives the meter display signal, ICC warning lamp signal, and IBA OFF indicator lamp signal from ICC sensor integrated unit via CAN communication and transmits them to the combination meter via the communication line. |
| Combination Meter | * | * | * | Performs the following operations using the signals received from the Unified Meter And A/C Amp. via the communication line.
|
| ICC Brake Switch | * | * | * | Refer to DESCRIPTION . |
| Stop Lamp Switch | * | * | * | |
| ICC Brake Hold Relay | * | * | Refer to DESCRIPTION . | |
| Brake Booster Control Unit | * | * | * | Refer to DESCRIPTION |
| Brake Booster | * | * | Refer to DESCRIPTION . | |
| Brake Pressure Sensor | * | * | Refer to DESCRIPTION . | |
| Booster Solenoid/Release Switch | * | * |
|
|
| ICC Warning Chime | * | * | * | Refer to DESCRIPTION . |
| Steering Angle Sensor | * | Refer to DESCRIPTION . | ||
| IBA OFF Switch | *NOTE | Refer to DESCRIPTION . | ||
* 1: Vehicle-to-vehicle distance control mode
* 2: Conventional (fixed speed) cruise control mode
* 3: IBA system and Brake Assist (With Preview Function)
NOTE:
Only IBA system uses
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.