Aerostar 2WD V6-182 3.0L (1995)
Keyless Entry: Initial Inspection and Diagnostic Overview
INSPECTION AND VERIFICATION
NOTE: Doors may automatically unlock as a result of shorts in the door unlock circuits or by unwanted operation of the Generic Electronic Module
(GEM) two-step key unlocking feature.
The electronic door lock control system is diagnosed as part of the overall remote control alarm and lock system. To initiate system self test,
1. Verify the vehicle owner's original concern by duplicating the concern.
Vehicle Inspection Chart
2. Inspect to determine if one of these mechanical or electrical concerns apply. (See Vehicle Inspection Chart)
3. If the concern(s) remains after the inspection, determine the symptom(s) and proceed to the following symptom chart.
NOTE: For system inspection and verification using Rotunda New Generation Star (NGS) Tester 001-00500 or equivalent,
NOTE: Voltage and resistance readings can be obtained using Rotunda Dwell-Tach-Volt-Ohms Tester 059-00010 or equivalent.
TO TEST AND SERVICE DOOR LOCK SYSTEM:
1. Check that battery is fully charged (if not, it may be causing the concern)
NOTE: When the battery has been disconnected and reconnected, some abnormal symptoms may occur while the powertrain control module (PCM)
(12A650) relearns it's adaptive strategy. The vehicle may need to be driven 16km (10 miles) or more to relearn the strategy.
2. Disconnect and reconnect battery to make sure system is reset.