2009 Infiniti G37 Sedan Service & Repair Manual (OEM)
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Infiniti Models Covered & Key Technical Specifications
Models: Infiniti G37 Sedan
Sub-models / Variants: AT model, MT model
Model Years: 2009
Technical Data:
- System communication: UART and CAN communication protocols
- Operating voltage: 12 V
- System components: Driver seat control unit, Automatic drive positioner control unit, BCM
- Entry/Exit assist function slide amount (default): 40 mm
- Seat sliding limit value: 76 mm
- Seat reclining limit value: 9.1 degrees
- Seat lifter (rear) limit value: 20 mm
- Memory functions: 2 positions for driver seat, steering column, and door mirror
Infiniti Manual Features & Content Preview
- Covers 2009 Infiniti G37 Sedan automatic drive positioner systems, including driver seat control, steering column adjustments, and memory mirror functions for both AT and MT variants
- Original OEM publication, Revision October 2009
- Contains 4 system diagrams, 27 component location figures, and 12 diagnostic circuit flow charts
- Primary reference for the G37 Sedan power seat configuration and electrical diagnostic procedures
System Functionality Documentation
The 2009 Infiniti G37 Sedan service manual details the operation, inputs, and output components of the drive position memory system. It explains exactly how the driver seat control unit coordinates the sliding, reclining, and lifting motors alongside the steering tilt and telescopic sensors. The documentation covers complete memory function storage procedures for two individual drivers, plus the entry/exit assist logic used for steering column positioning. You will find specific diagnostic steps for the main control unit, the BCM, and the power seat switch matrix. To prevent injury or module damage, mechanics must always follow standard shop safety protocols and disconnect power lines as specified before working near moving seat mechanisms. The manual provides all necessary removal, installation, and adjustment overviews to fully understand the system layout.
Technical Preview and Reference Data
Electrical specifications are thoroughly documented across multiple diagnostic chapters. The positioning system relies heavily on UART communication between the driver seat control unit and the main module. For example, the reclining seat synchronization function is mechanically and electronically limited to a strict 9.1-degree adjustment angle. The driver seat sliding sensor functions on a digital pulse system; these values are calibrated to exactly 32768 when the battery connection is stable. Furthermore, the steering column tilt operation is governed by specific physical limits, preventing downward movement if the sensor voltage exceeds 3.4 V.
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