Ford OBD1 Systems
ADDITIONAL TESTS FOR EEC-IV SYSTEMS - WIGGLE TEST
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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). TEST
CONNECTORS on page 67 for connector location.
Some DLCs have a plastic cover that must be removed before
connecting the scan tool cable connector.
2. Connect the scan tool cable (with the
Ford Connector Cable Adaptor attached)
to the scan tool, then connect the
adaptor to the vehicle's DLC. Press the
POWER/LINK
button to turn the
scan tool ON, then press the ENTER
button to continue.
The Ford OBD1 menu displays.
Use the
and
buttons, as
necessary, to make menu
selections.
3. From the Ford OBD1 menu, highlight
Wiggle Test, then press the ENTER
button.
4. The message “Warm up engine to
operating temperature” displays. Start
and warm-up engine to normal
operating temperature. Press the
ENTER
button to continue.
5. When prompted, turn ignition key OFF
and wait for the on screen prompt. If you
wish to exit the KOEO test at this time,
press the M 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
button to
continue.
To perform the KOER Wiggle Test:
- Highlight KOER Wiggle Test.
- Turn the ignition ON and start the engine.
- Press the ENTER
button to continue.
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