Test DF: Step 91

91) Check EEC-IV Vehicle Harness  Stay in KOEO Continuous Monitor Mode (Wiggle Test). Observe VOM or diagnostic tester for indication of fault while shaking, bending or wiggling small sections of harness from sensor connector to firewall. Check harness from firewall to ECA in same manner. If fault is indicated, isolate fault in harness and repair as necessary. Clear codes and repeat QUICK TEST. If no fault is indicated, go to next step.