Equus 3120 - OBD 2&1 Tool Kit - Manual (Page 64)

62 OBD2 & 1
E
Ford OBD1 Systems
ADDITIONAL TESTS FOR EEC-IV SYSTEMS -WIGGLE TEST
Circuits Tested:
1984 & Newer - Air Charge Temp Sensor (ACT), Barometer Pressure
Sensor (BP), Engine Coolant Temp Sensor (ECT), Exhaust Gas
Oxygen Sensor (EGO), EGR Valve Position Sensor (EVP), Manifold
Absolute Pressure (MAP), Throttle Position Sensor (TP), Vane Air
Temp Sensor (VAT)
1985 & Newer - Vane Air Flow Sensor (VAF)
1986 & Newer - Pressure Feedback EGR Sensor (PFE)
1990 & Newer - Exhaust Gas Oxygen Sensor (EGO), Ignition
Diagnostic Monitor (IDM) (DIS or Dual Plug DIS only), Idle Tracking
Switch (ITS), Mass Air Flow Sensor (MAF)
ALWAYS observe safety precautions whenever working on a
vehicle. Read and follow Safety Precautions on page 3
before performing this test.
1. Locate the vehicle's Data Link Connector (DLC). See Data Link
Connector (DLC) on page 46 for connector location.
Some DLCs have a plastic cover that must be removed
before connecting the Tool cable connector.
2. Connect the Tool cable (with the Ford Connector Cable Adaptor
attached) to the Tool, then connect the adaptor to the vehicle's DLC.
Press the POWER/LINK
button to turn the Tool ON, then press
the ENTER/FF button to continue.
3. From the Ford EEC-IV System menu,
highlight Wiggle Test, then press the
ENTER/FF button.
4. Start and warm-up engine to normal
operating temperature. Press the
ENTER/FF button to continue.
5. Turn ignition key OFF and wait for the on
screen prompt. If you wish to exit the KOEO test at this time, press
the ENTER/FF
button.
6. Select the desired Wiggle Test from the
menu displayed.
■ To perform the KOEO Wiggle Test:
- Highlight KOEO Wiggle Test.
- Turn ignition ON. DO NOT START
THE ENGINE.
- Press the ENTER/FF button to continue.
■ To perform the KOER Wiggle Test:
- Highlight KOER Wiggle Test.