2007 Infiniti M35/M45 Automatic Speed Control Device (ASCD) Manual
This manual covers Automatic Speed Control Device (ASCD) for the 2007 Infiniti M35 and M45 models, detailing system descriptions, preparation, and action tests. Ref: PFP:18930
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Models Covered & Key Technical Specifications
Automatic Speed Control Device (ASCD) Manual: Infiniti M35/M45 manual, 2007 PDF Repair-Index ASCD : Automatic Speed Control Device (ASCD) (PFP:18930) // Reference-Category : Car / Infiniti (Nissan) Logic // System-Identifier : 2007 Model Lineup.
Established Sensor Accuracy: 390 ft (120 m) establishes the maximum detection range for the Intelligent Cruise Control system. Reference Drive Cycle: For optimal operation, a 10-minute drive cycle defines the warm-up period for the A/T. Certified System Modes: Three modes — Vehicle-to-Vehicle Distance Control, Conventional Cruise Control, and Brake Assist — provide comprehensive functionality. Factory Control Logic: The TCM controls line pressure and shift timing for optimal performance. Integral System Components: Includes ECM, TCM, ABS actuator, and Unified Meter/A/C Amplifier for seamless integration. Specific Safety Protocols: Features a fail-safe function that alerts the driver and releases the ICC system upon malfunction detection.
Manual Description & Preview
Automatic Speed Control Device (ASCD) Manual: Infiniti M35/M45 manual, 2007 PDF Repair-Index
System-Identifier: ASCD (Automatic Speed Control Device) // Reference-Category: Car / Infiniti (Nissan) Logic // System-Identifier: 2007 Model Lineup.
| Technical Specs | Service-Nexus | Rating | Context |
|---|---|---|---|
| Vehicle-to-Vehicle Distance Control Range | 390 ft (120 m) | Establishes maximum detection range. | |
| Warm-up Duration | 10 minutes | Defines the operational warm-up period for the A/T. | |
| System Modes | 3 | Includes V2V Distance Control, Conventional Cruise Control, and Brake Assist. | |
| Control Unit | TCM | Manages line pressure and shift timing. | |
| Integrated Components | 4+ | ECM, TCM, ABS actuator, Unified Meter/A/C Amp. | |
| Fail-Safe Function | Yes | Alerts driver and releases ICC on malfunction. |
Technical content addresses the Automatic Speed Control Device (ASCD) system for the 2007 Infiniti M35 and M45. The manual outlines system operation, including Vehicle-to-Vehicle Distance Control Mode, Conventional (Fixed Speed) Cruise Control Mode, and Brake Assist with Preview Function. It details functional diagrams, component descriptions, and CAN communication protocols, as well as switch operations and system displays for various modes.
Components and Functionality
Analysis of the system's architecture reveals key components such as the ICC sensor integrated unit, ECM, ABS actuator, BCM, and TCM, all communicating via CAN lines for seamless data exchange. The manual details the function of each component within the ASCD system.
Troubleshooting and Diagnostics
The troubleshooting section provides diagnostic procedures for various DTCs, including CAN communication issues and specific sensor malfunctions. It outlines steps for checking circuits, performing self-diagnostics, and interpreting results to identify and resolve system faults. The manual also includes symptom charts and troubleshooting workflows.
Component Inspection and Testing
Detailed inspection procedures for electrical components like the ICC steering switch, ICC brake hold relay, and ICC brake switch are provided. These include resistance checks and continuity tests to ensure proper functionality.
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