Midtronics EXP-925

EXP-925
Midtronics B.V. Hoofdveste 6 - 8 Houten NL
www.midtronics.com
18
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
vehicle started and the results do not appear after ap-
proximately 25 seconds, press the NO START soft key.
6. The analyzer displays one of the decisions and the re-
sults in a series of screens.
NOTE: In some cases, the tester may not detect the
vehicle’s starting prole. 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
ADVISED
Replace the battery and retest before
testing the alternator test..
NO START The engine did not start and the test
was aborted.
CRANKING
SKIPPED
The tester did not detect the vehicle’s
starting prole and skipped the Starter
Test.
Chapter 5: System Test
(EST version only)
X axis = time