Lincoln Navigator: 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.
-
Make sure the battery is fully charged.
For additional information, refer to: Specifications (414-01 Battery, Mounting and Cables, Specifications).
-
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.
-
Connect the 0-500-amp probe to the starter B+ Cable and to the VCMM .
-
Connect the VCMM and use the Oscilloscope option scaled to 100/A/Div. Add PIDS "Ambient Air Temp" and "Engine RPM".
-
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.
-
Record the results, specifically Ambient Air Temperature
(AAT), Starter Current (Current Clamp) and Cranking speed (PCM signal
Engine_Speed).
-
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).
-
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).
-
Clear all CMT DTC s.
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)...
Inspection
Remove the starter motor.
Refer to: Starter Motor (303-06 Starting System - 3.5L EcoBoost (272kW/370PS), Removal and Installation)...
Other information:
Removal
Remove the third row seat head restraint guide sleeves.
Refer to: Third Row Seat Head Restraint Guide Sleeve (501-10C Third Row Seats, Removal and Installation).
Remove the third row single seat backrest cover and foam as an assembly...
Overview
Exterior, Power
The power mirror system allows the LH and RH
exterior mirror glass to be positioned electronically. The movement of
the exterior mirror glass is controlled by the exterior mirror control
switch and the LH or RH mirror selection buttons determine which exterior mirror glass is controlled...