Starter System Test; Starter System Test Results; Charging System Test - Bosch BAT 131 Manual Original

en 18 � BAT 1�1 � Perform Test
4.5

Starter System Test

!
Before starting the test, inspect the alternator drive
belt. A belt that is glazed or worn, or lacks the pro-
per tension, will prevent the engine from achieving
the rpm levels needed for the test.
i
Once you have completed an in-vehicle test, the dis-
play alternates between the battery test results and
PRESS E FOR STARTER TEST
the message
E
1. Press the button to proceed with the starter test.
i
If a Amp Clamp (special accessory) is being used and
this has been activated (refer to Section 3.6), heed
the instructions on the screen. The Amp Clamp must
be set to "0" without locating at negative wiring. After
that it should be clamped at negative wiring with
indicating arrow sign on the housing of the probe to
positive direction.
2. Start the engine when prompted.
3. The tester displays the
tage and cranking time in milliseconds.
4.6

Starter System Test Results

i
If testing vehicle equip with charging regulated
system and battery is fully charged an accelerating
engine rpm can not be detected by system (because
alternator automatically switched off for reducing fuel
consumption). In this case charging system test is
impossible.
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1 689 989 131 2011-09-09
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Starter System cranking vol-
i
Press E to proceed with the charging system test,
press  to print the test results, press MENU to
return to the Menu.
Action to be taken
Message
CRANKING NORMAL The starter voltage is normal and the
battery is fully charged.
LOW VOLTAGE The starter voltage is low and the batte-
ry is fully charged.
CHARGE BATTERY The starter voltage is low and the batte-
ry is discharged. Fully charge the batte-
ry and repeat the starter system test.
REPLACE BATTERY Battery must be replaced before the st-
arting system can be tested.
NO START No vehicle start detected.
CRANKING SKIPPED A start was not detected.
SIDE POST Test data was inconclusive using the si-
de post. Retest using side post adap-
ters.
JUMP START POST Data was inconclusive using the Remo-
te post. Retest at the battery terminals.
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For an in-vehicle test, the display alternates between
the test results and the message
CHARGING TEST
.
4.7

Charging System Test

i
Once you have completed an in-vehicle test and the
starteter test, the display alternates between the
battery test results and the message
FOR CHARGING TEST
proceed with the charging test.
Following the on-screen prompts:
1. Rev the engine.
2. Turn on high beams headlights and the blower fan.
3. Rev engine with loads on.
4. Idle engine and turn off loads.
5. The Charging System decision is displayed at the
end of the procedure.
6. Press  to print the test results or  to return to the
Menu.
PRESS E FOR
PRESS E
. Press the E button to
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