Section 01-14A: Handles, Locks, Latches and Mechanisms
1994 Mustang Workshop Manual
DIAGNOSIS AND TESTING

Symptom Chart

 
ConditionPossible SourceAction
  • One Door Lock Does Not Work
  • Circuitry.
  • Power door lock actuator.
  • Electronic door lock control processor with keyless entry option.
  • All Door Locks Do Not Work
  • Open fuse or tripped circuit breaker.
  • Circuitry.
  • Battery.
  • Poor ground.
  • Front window regulator wiring (RH)/ front window regulator wiring (LH).
  • Power door lock actuator.
  • Electronic door lock control processor with keyless entry option.
  • All Locks Work From One Switch Only
  • Circuitry.
  • Front window regulator wiring (RH)/ front window regulator wiring (LH).
  • Electronic door lock control processor.
  • Door Locks Operate One Way Only
  • Circuitry.
  • Poor ground.
  • (LH) front window regulator wiring without keyless entry option.
  • Electronic door lock control processor with keyless entry option.
  • Door Locks Work With Engine Running Only
  • Battery.
  • Door Locks Work Intermittently
  • Connections.
  • Partially-charged battery .
  • Intermittent contacts in front door lock switch .
  • Front window regulator wiring (RH)/ front window regulator wiring (LH).
  • Luggage compartment remote control lock switch.
  • Power door lock actuators.
  • Luggage compartment door lock solenoid.
  • Luggage Compartment Lock Does Not Work
  • Circuitry.
  • Luggage compartment remote control lock switch.
  • Luggage compartment door lock solenoid shorted.
  • Luggage Compartment Release Switch Inoperative
  • Tripped circuit breaker.
  • Poor ground.
  • Circuitry.
  • Luggage compartment remote control lock switch.
  • Luggage compartment door lock solenoid.