Star Test Mode (Eec_Iv, Mecs And Mcu Vehicles) - Actron CP9190 User Manual

Ford Historic (OBD I) Diagnostics
STAR Test Mode (EEC-IV, MECS and MCU Vehicles)
✓
The STAR Test Mode can be used to retrieve DTCs from the PCM
or other self-test automatic readout (STAR) compatible controllers
installed in the vehicle. STAR Test Mode functions largely the
same way and serves the same purpose as running KOEO and
KOER tests. It is generally used as a last resort to check for DTCs
in systems which may not be covered by KOEO and KOER testing
(i.e. - Computer Ride Control suspension systems).
From the On Demand Test Menu:
1. Select STAR Test Mode.
•Use the
arrow keys until STAR Test
Mode is highlighted.
•Press
2. Follow the instructions on
the Scan Tool screen to
access DTCs from the PCM.
•Pressing
test.
✓
The TEST/HOLD parameter
indicates the state of the self-test
input (STI). The
toggles this state from TEST to
HOLD.
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UP or DOWN
ENTER.
ENTER begins
ENTER key
On Demand Test Menu
Wiggle Test
Output Sw Test
Cyl Balance Test
STAR Test Mode STAR Test Mode
Review Data
Print Data
Tool Setup
Star Mode
STO:
Test/Hold On: Hold
ENTER to test.
Star Mode
STO: Low
Test/Hold On: Test
ENTER to hold.
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