
Ford OBD1 Systems
ADDITIONAL TESTS FOR EEC-IV SYSTEMS - WIGGLE TEST
88 OBD1
If the Scan Tool cannot link to the
vehicle’s computer, the message
“Contact Technical Support” displays.
- Press the
button to return to
the Ford OBD1 menu.
- Turn the ignition OFF, and dis-
connect the Scan Tool.
-
Contact Technical Support for
assistance.
8.
If the Scan Tool was able to link to the
vehicle successfully, a "Wiggle test is
active..." message shows temporarily on
the Scan Tool’s LCD display. This is
followed by a message instructing you how
to perform the test.
Press the
button if you wish to
exit the Wiggle Test at this time.
9.
Wiggle, tap and move the suspected
sensor or wiring.
If no faults are detected when
performing the Wiggle Test, a "System
Pass" message displays.
If a fault is detected when performing
the Wiggle Test, a "Circuit Fault
detected" message displays.
If the Wiggle Test detects any
problems, the related DTC
will be stored by the compu-
ter in "Continuous Memory".
To view any Wiggle Test
DTC’s you must perform the
KOEO Test. See page 72 for
KOEO Test procedures.
10.
Follow the procedures in the vehicle's
service repair manual to perform
troubleshooting and repairs for Wiggle
Test results.
11.
The Wiggle Test will stay active as long as desired. To quit the
Wiggle Test, turn the ignition OFF and disconnect the Scan Tool
from the vehicle.
Summary of Contents for 31403
Page 1: ...INN VA CarScan OBD1...