Actron CP9190, User Manual

Page: 150 / 238

Ford Historic (OBD I) Diagnostics
6 – 28 • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • •
6
✓
With the STI in the TEST state, the self-test begins. The Self-Test
Output (STO) parameter flashes either a HIGH or LOW. A beep
accompanies each LOW flash. Write down the 2– digit or 3 – digit
code for reference.
✓
Disregard the blink which may occur when ignition key is turned
on. Depending on the vehicle being tested, determines if a three
digit or 2 digit code is used. If required, refer to the service manual
for applicable code structure.
❒
A digit consists of consecutive LOW flashes or beep — count
the number of LOWs for the digit
❒
A short HIGH (short pause) occurs between digits.
❒
A long HIGH (long pause) occurs between codes.
❒
There is no flash for the digit 0 (zero).
✓
After all codes are sent, the series repeats once and then stops.
An example is shown below
.
✓
If necessary, refer to an appropriate service manual for the
procedure on how to use
STAR Test Mode for the specific vehicle
under test.
3. Return to the On Demand Test Menu .
•Press
BACK.
A Three-Digit DTC (214) will Flash as follows:
S TO : L O W- L O W = 2 X X ( H u n d r e d s P l a c e = 2 )
S TO : H I G H S h o r t P a u s e
S TO : L O W = 2 1 X ( Te n s P l a c e = 1 )
S TO : H I G H S h o r t P a u s e
S TO : L O W- L O W- L O W- L O W = 2 1 4 ( O n e s P l a c e = 4 )
Two-Digit DTCs (12, 42) will Flash as follows:
S TO : L O W = 1 X ( Te n s P l a c e = 1 )
S TO : H I G H S h o r t P a u s e
S TO : L O W- L O W = 1 2 ( O n e ’s P l a c e = 2 )
S TO : H I G H L o n g P a u s e ( B e t w e e n D T C s )
S TO : L O W- L O W- L O W- L O W = 4 X ( Te n s P l a c e = 4 )
S TO : H I G H S h o r t P a u s e
S TO : L O W- L O W = 4 2 ( O n e s P l a c e = 2 )