Midtronics B.V. Hoofdveste 6 - 8 Houten NL
www.midtronics.com
EXP-1000 HD
Chapter 5: System Test
Before starting the test, inspect the alternator drive belt. A belt
that is glazed or worn, or lacks the proper tension, will prevent
the engine from achieving the rpm levels needed for the test.
The System Test includes 3 tests that provide a complete
diagnosis of the vehicle’s electrical system:
•
BATTERY TEST
•
STARTER TEST
•
ALTERNATOR TEST
Battery Test
The System Test includes a test of the battery to eliminate it as
the cause of starting or charging problems. See Chapter 4 for
the Battery Test procedure.
Starter Test
1. Have your amp clamp ready and select the AMP CLAMP
availability.
1
INTEGRATED
2
OTHER
3
NONE
Press the
NEXT
soft key to continue.
2. Attached the Amp clamp to the tester, do not connect it
around any wire.
Press the
NEXT
soft key to continue.
3. Tester will zero out the Amp clamp.
4. Place Amp clamp around negative cable.
Press the
NEXT
soft key to continue.
5. Start the vehicle’s engine when prompted. If after the ve-
hicle started and the results do not appear after approxi-
mately 25 seconds, press the NO START soft key.
6. The analyzer displays one of the decisions and the results
in a series of screens.
NOTE: In some cases, the tester may not detect the
vehicle’s starting profile. It will display the soft key
options
STARTED
and
NO START
. If you select
STARTED
, the analyzer skips to the Alternator
Test. If you select NO START, the test process ends.
Starter System Test Results
The results include the battery analysis. Use the UP (
) or
DOWN (
) ARROW key to scroll to each screen. See the Starter
System Decision table for an explanation of the starter system
decisions. To continue testing, press the NEXT soft key.
Starter
decision
Average
cranking
voltage
Cranking
time in mil-
liseconds
Starter System Test Decisions
Decision
Action
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 retest the starter system.
REPLACE
Replace the battery and retest before
testing the alternator test..
LOW CRANKING
AMPS
The starter voltage is high, but the
cranking amps are low.
NO START
The engine did not start and the test
was aborted.
CRANKING
SKIPPED
The tester did not detect the vehicle’s
starting profile and skipped the Starter
Test.
Chapter 5: System Test
