GR8-1200 OEM
Midtronics Inc. 7000 Monroe Street Willowbrook, IL 60527
www.midtronics.com
28
Chapter 6: System Test
Use the UP or DOWN ARROW key to scroll to each screen. To
return to the Main Menu, press the END soft key. If you are
performing a System Test, press the NEXT key to continue with
the Starter System Test.
Battery
decision
Measured
voltage
Selected
rating
Measured
rating
Starter Test
1. When prompted, start the vehicle’s engine.
2. The GR8 will display 1 of 8 starter decisions with the com-
plete results in a series of screens similar to those shown
on the right. Use the UP or DOWN ARROW keys to scroll to
each screen.
To print, press the
PRINT soft key. To continue testing,
press the NEXT soft key.
NOTE
:
In some cases, the GR8 may not detect the
vehicle’s starting profi le and will display the op-
tions STARTED and NO START. Select STARTED, to
continue with an alternator test. Select NO START
to end the test process.
Starter System Test Results
Screen 1 of 2
Average cranking
voltage
Average cranking
current if amp
clamp is used
Cranking time
in seconds
Screen 2 of 2
Y axis = System
performance:
cranking voltage
X axis = Time
Table 12: Starter System Decisions and Recommendations
Decision
Action Recommended
CRANKING
NORMAL
The starter voltage is normal and the
battery is fully charged.
LOW VOLTAGE The starter voltage is low and the battery is
fully charged.
CHARGE
BATTERY
The starter voltage is low and the battery
is discharged. Fully charge the battery and
repeat the starter system test.
REPLACE
BATTERY
(If the battery test result was (REPLACE or
BAD CELL.) The battery must be replaced
before testing the starter.
NO START
The engine didn’t start and the test was
aborted.
CRANKING
SKIPPED
The GR8 didn’t detect the vehicle’s starting
pro
fi
le and skipped the Starter Test.