Product Manual

3. Start the engine and let it run. Do not using the Test Start Button, observe the

voltage readout when the engine speed reaches between 1200 to 1500 RPM (normal idle

speed). Once you push the Test Start Button (C), then tester will into charging system

mode.

4. Note meter reading with all electrical accessories off. One of three conditions will

apply:

a) Voltage less than 13.5 volts indicates faulty alternator.

b) Voltage between 13.5 volts and 15 volts indicates charging system is good.

c) Voltage over 15 volts indicates faulty voltage regulator.

5. When charging system test is complete, remove Black Clamp (-) from battery first;

then remove Red Clamp (+).

Testing the Starter

This Test identifies excessive starter current draw, which makes starting difficult and

shortens battery life. Perform battery load test and proceed only if the battery tests good.

Engine should be at normal operating temperature.

1. Connect Clamps to battery posts and run the basic load test (push and release

Test Start Button).Note the exact voltage with the load test on. If voltage continues to fall

after 5 seconds, this test will not be available.

2. Apply the voltage obtained above to the starter tester table (below).

Use the next to lower minimum cranking volts for engines with less than 300 inches of

cubic displacement (CID). For example, if the load voltage is 11 volts, use 10.3 for

minimum cranking voltage.

STARTER TEST TABLE

LOAD VOLTS 10.4 10.6 10.8 11.0 11.2 11.4 11.6 11.8

MIN CRANK VOLTS 9.7 10.0 10.3 10.6 10.9 11.2 11.4 11.6

3. Disable the ignition system so the car will not start, crank the engine and note the

voltage during cranking.

4. If cranking voltage of step 3 is below the minimum cranking voltage in the starter

test table (above), the starter current draw is excessive. If the starter cranks slowly, check

for high resistance and poor connection. A meter reading of 9 volts or less indicates

excessive current draw. This may be due to bad connections a falling starter motor or the

battery is too small for the vehicle requirements.

DISPLAY CODES

Code

Situation

Possible Meanings/Causes

Beeps

keep sounding

Load test

Tester/relay defective. Discontinue use

and have a qualified technician service

-L-

Start of test

Battery voltage less than 12 volts.