• Navigator Manuals
  • Service
  • New
  • Top
  • Sitemap
Lincoln Navigator Manuals

Lincoln Navigator: Starting System - 3.5L EcoBoost (272kW/370PS) / Starter Amperage Draw Test. General Procedures

Lincoln Navigator 2018-2025 Workshop Manual / Engine / Starting System - 3.5L EcoBoost (272kW/370PS) / Starter Amperage Draw Test. General Procedures

NOTE: Make sure the test is performed with the engine at 60.8 °F ( 16 °C) or above.

  1. Make sure the battery is fully charged.
    For additional information, refer to: Specifications (414-01 Battery, Mounting and Cables, Specifications).
  1. Disable the Fuel System. For Gasoline engines refer to:
    For additional information, refer to: Fuel System Pressure Release (310-00 Fuel System - General Information - 3.5L EcoBoost (272kW/370PS), General Procedures).
    . For Diesel engines refer to: Wiring section for fuel pump inline connector location.
  1. Connect the 0-500-amp probe to the starter B+ Cable and to the VCMM .
  1. Connect the VCMM and use the Oscilloscope option scaled to 100/A/Div. Add PIDS "Ambient Air Temp" and "Engine RPM".
  1. Crank the engine, no more than 6 seconds at a time.

    NOTE: Allow 2 minutes between tests to allow for starter cooling to prevent overheat and damage to the motor.

  1. Record the results, specifically Ambient Air Temperature (AAT), Starter Current (Current Clamp) and Cranking speed (PCM signal Engine_Speed).
  1. Compare the results to the specifications in the workshop manual.
    For additional information, refer to: Specifications (303-06 Starting System - 3.5L EcoBoost (272kW/370PS), Specifications).
  1. If both signals do not meet specification replace the starter motor.
    For additional information, refer to: Starter Motor (303-06 Starting System - 3.5L EcoBoost (272kW/370PS), Removal and Installation).
  1. Clear all CMT DTC s.

    Starting System. Diagnosis and Testing

    Diagnostic Trouble Code (DTC) Chart Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: Diagnostic Methods (100-00 General Information, Description and Operation)...

    Starter Motor Drive Gear and Flywheel Ring Gear Inspection. General Procedures

    Inspection Remove the starter motor. Refer to: Starter Motor (303-06 Starting System - 3.5L EcoBoost (272kW/370PS), Removal and Installation)...

    Other information:

    Lincoln Navigator 2018-2025 Workshop Manual: Liftgate Trim Panel. Removal and Installation


    Removal Release the clips and remove the liftgate upper middle trim panel. NOTE: LH shown, RH similar. On both sides. Release the clips and remove the liftgate side trim panel...

    Lincoln Navigator 2018-2025 Workshop Manual: Alternating Current (AC) Power Outlet Socket. Removal and Installation


    Special Tool(s) / General Equipment Interior Trim Remover Removal   WARNING: Disconnect the 12 volt battery before servicing the direct current to alternating current (DC-AC) inverter or alternating current (AC) powerpoint to prevent the risk of high voltage shock...

    Categories

    • Manuals Home
    • 4th Gen Lincoln Navigator Service Manual (2018 - 2025)
    • Second Row Seat. Removal and Installation
    • Remote Function Actuator (RFA) Module. Removal and Installation
    • Windshield Washer Pump. Removal and Installation
    • Identification Codes. Description and Operation
    • Telematics Control Unit (TCU) Module. Removal and Installation

    Front Driveshaft. Removal and Installation

    Special Tool(s) / General Equipment

    Crimping Tool

    Materials

    Name Specification Motorcraft® Premium Long-Life Grease
    XG-1-E1 ESA-M1C75-B
     

    Removal

    With the vehicle in NEUTRAL, position the vehicle on a hoist.
    Refer to: Jacking and Lifting (100-02 Jacking and Lifting, Description and Operation).
    Remove the bolts and the transmission shield.

    read more

    Copyright © 2025 www.linavigator4.com