Escort L4-122 2.0L SOHC (1997)
Multiplex Communication Network: Flow of Diagnosis
1. Verify the customer concern by operating the system in question.
2. Visually inspect for obvious signs of electrical damage.
Electrical
^
Damaged wiring harness.
^
Loose or corroded connections.
^
Damaged anti-lock brake control module.
^
Damaged Remote Anti-Theft Personality (RAP) module.
^
Damaged Powertrain Control Module (PCM).
3. if the fault is not visually evident, perform the System Precheck. See: Pinout Values and Diagnostic Parameters/System Precheck
