Ford OBD1 Systems
CODE RETRIEVAL PROCEDURES - ENGINE TIMING CHECK
74 3140d
A timing light is required to perform this test.
The vehicle must pass the KOEO Test (page 70) before performing
this test.
1. Locate the vehicle's Data Link Connector (DLC). See TEST
CONNECTORS on page 67 for connector location.
Some DLCs have a plastic cover that must be removed before
connecting the scan tool's 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 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
Timing Check, then press the ENTER
button.
The Select Model Year screen
displays.
4. From the Select Model Year screen,
highlight the vehicle model year, then
press the ENTER
button.
For 1993 and newer vehicles: The
message “Follow instructions in
vehicle service manual to perform
timing check” displays. Press the M
button to exit. Refer to the vehicle’s
service manual for timing check
procedures.
For 1992 and older vehicles: The
message “Warm up engine to
operating temperature” displays
5. Start and warm-up engine to normal
operating temperature. Press the
ENTER
button to continue.
6. When prompted, turn off all vehicle accessories, turn ignition key
OFF and wait for the on screen prompt. If you wish to exit the
Timing Check procedure at this time, press the M button.
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