LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Ford >> 1996 >> Escort Base, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 3 (Engine Controls - Basic Engine Testing - 1.8L) >> Ignition Checks >> Engine Controls - Basic Engine Testing - 1.8L >> Check IDM Signal
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Check IDM Signal

WARNING: This page is about a different variant/trim than selected.

Turn ignition off. Disconnect 2-pin ignition coil harness connector. Connect a test light across coil 2-pin ignition coil harness connector. Crank engine. If test light flickers steadily while engine is cranking, replace ignition coil. If test light does not flicker steadily while engine is cranking, go to next step.



Turn ignition off. Disconnect ignition control module. Using jumper wires reconnect SPOUT and GND circuits to ignition control module (leave IDM circuit disconnected). Connect a test light to positive battery terminal and probe the IDM terminal at ignition control module. Crank engine. If test light flashes when engine is cranked, repair open IDM circuit. If test light does not flash, go to next step.

scientia non olet · About LEMON Manuals