Ford OBD1 Systems
ADDITIONAL TESTS FOR EEC-IV SYSTEMS – RELAY AND SOLENOID TEST
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Use this test to check computer output voltages and relay/solenoid
operation.
The fuel injectors and fuel pump are not energized during this
test. Check your vehicle thoroughly before performing any test.
See BEFORE YOU BEGIN on page 31 for details.
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 TEST
CONNECTORS on page 68 for connector location.
Some DLCS have a plastic cover that must be removed before
connecting the Diagnostic Tool’s cable connector.
2.
Connect the Diagnostic Tool cable (with
the Ford Connector Cable Adaptor
attached) to the Diagnostic Tool, then
connect the adaptor to the vehicle's DLC.
Press the POWER/LINK
button
to turn the Diagnostic 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
Output State Check, 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 Output State Check at
this time, press the M button.
6.
Turn ignition ON. DO NOT start the
engine. If your vehicle is equipped with
one of the following engine types,
perform the added procedures
described below:
For 4.9L engines with standard
transmission: Press and hold the
clutch until the "Output State Check
Active" screen displays.
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