LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Ford >> 1986 >> Ranger 2D Pickup, 2.0 C >> Repair and Diagnosis >> Engine Performance >> System >> Idle Speed Control System >> Diagnosis >> Test 4 - Code 12
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Test 4 - Code 12

Verifying DC Motor Movement. Bring vehicle to operating temperature. Initialize self-test. Visually verify DC motor movement during self-test. If there is movement, go to Test 2 step 4). If not, set idle adjustment.