auto test electrics analyser 1. autotest electrics analyser v. com reset zero up down battery slv...

AUTOTESTELECTRICS ANALYSER

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BATTERYSLV

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ON CANCEL ENTER

AC STARTER TEST

MANAGED TEST OFF MENU

± 40 VONLY

DC Volts Current Probe Amps True RMS AC Volts Peak to Peak Volts Pulse Width and Duty Cycle Frequency and RPM Ambient Temperature Ohms with Continuity Beep Diode Voltage Test

• Powerful Managed Test

• Simple Simulated Loaded Voltage (SLV) Battery Test

• Starter Motor Test

• Full Multimeter Function

AutoTest FeaturesLeads Volts 0.00 VClips Volts 0.00 VProbe Amps 0.00 AClips Temp. 27°C

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ON

MANAGED TEST

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Tests for Battery shorted cells

Tests for a sulphated Battery that will not recover with charging

To protect the vehicle’s electronics, AutoTest checks that a flat Battery will accept charge before advice to jump start is given

Tests the vehicle’s charging system

Tests the vehicle’s Battery condition

Stores test results for printing or download to a computer

The Managed Test Checks that the Battery post to clamp

connection is OK

Leads Volts 0.00 VClips Volts 0.00 VProbe Amps 0.00 AClips Temp. 27°C

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Leads Volts 0.00 VClips Volts 0.00 VProbe Amps 0.00 AClips Temp. 27°C To enter the Managed Test AutoTest

must be in the “Home Screen” as shown here. From the Home Screen press the “ON” button once.

The Managed Test

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BATTERYSLV

VOLTSAMPS

ON CANCEL ENTER

AC STARTER TEST


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CARBATTERY

!

Managed Mode.All accessories andlights should be offand doors closed.

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Start of the Managed TestEnsure there are no electrical loads on the battery by closing all the doors and switching off all the vehicle’s lights and accessories

Managed Mode.All accessories andlights should be offand doors closed.

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First, attach the test clips to the clamps (surrounding the battery posts). Next, hold the amps probe in the same orientation it will be when clamped to the battery ground lead but hold it next to the lead so that it can be zeroed before it is attached.

Attach test clips toboth CLAMPS. Hold amps probe next toGROUND lead. ENTER

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BATTERYSLV

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AC STARTER TEST


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CARBATTERY

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Attach clips toboth CLAMPS. Holdamps probe next toGROUND lead ENTER

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AC STARTER TEST


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CARBATTERY

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BATTERYSLV

VOLTSAMPS

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AC STARTER TEST


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CARBATTERY

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VOLTSAMPS

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AC STARTER TEST


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CARBATTERY

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Attach amps probe tobattery GROUND lead.Attach clips to bothPOSTS. ENTER

Now open the amps probe and clamp it around all the wires attached to the negative battery terminal. Then, move the test clips so that the long jaw of each clip contacts the lead battery posts. The clip’s short jaw can contact the battery post or clamp.

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BATTERYSLV

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AC STARTER TEST


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CARBATTERY

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BATTERYSLV

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AC STARTER TEST


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CARBATTERY

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AC STARTER TEST


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CARBATTERY

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Enter battery CCA400(SAE)

ENTER

Use the up and down arrows to select the test battery size (its CCA rating). The measurement standard used for battery size is shown in brackets. Australia and the USA use SAE while Europe uses mostly DIN or Ah. In the demonstration test the test battery size is 350 (SAE). 17


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BATTERYSLV

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AC STARTER TEST


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CARBATTERY

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Enter battery CCA 350 (SAE) ENTER

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Clean & RetestBattery Terminals

Corroded

Clean & RetestBattery Terminals

Corroded

ContinueManaged Test

ContinueManaged Test

ScreeningTests

ScreeningTests

Battery Rejected.Suspected Shorted

Cell

Battery Rejected.Suspected Shorted

Cell

Battery Rejected.High Resistance

DON’T JUMP START

Battery Rejected.High Resistance

DON’T JUMP START

ENTER

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CONNECT jumper leadsGROUND to CHASSISLAST. Start servicevehicle ENTER

The demonstration test battery has passed the screening tests but AutoTest has detected that it is too discharged to start the test vehicle so it prompts for jumper leads (booster cables) to be connected and for the service vehicle to be started.

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AC STARTER TEST


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CARBATTERY

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Connect Jumper LeadsGROUND to CHASSISLAST. Start servicevehicle ENTER

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AC STARTER TEST


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CARBATTERY

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Connect Jumper LeadsGROUND to CHASSISLAST. Start servicevehicle ENTER

Chassis/Engine Earth

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AutoTest knows that the test battery is connected to a good charging system (the service vehicle’s) it now tests that the battery is accepting charge and tests that it does not have a bad cell condition.

Continue Managed Test Sequence

Continue Managed Test Sequence

Bad CellTest

Bad CellTest

Battery RejectedInter-cell fault

DO NOT JUMP START

Battery RejectedInter-cell fault

DO NOT JUMP START

Testing batteryDo not start motorVch 13.95 Ich 35.2please wait 0:20

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STOP service vehicleStart TEST vehicle

Amps 120.2 ENTER

The demonstration test battery does not have a bad cell and it’s charge acceptance is OK so AutoTest prompts for the test vehicle to be jump started. The amps reading at the bottom of the screen can be used to get an indication of the starter motor current draw during engine cranking. 24

V 14.22 I 12.1Check batt recovery.REMOVE jumper leadsif OK. ENTER

This screen asks the operator to check that the vehicle will not stall once the jumper leads are removed. When the charge voltage is OK and the test battery is accepting a good amount of charge, then the jumper leads should be removed.

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CARBATTERY

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V 14.22 I 12.1Check batt recoveryREMOVE jumper leadsIf OK ENTER

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CARBATTERY

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V 14.22 I 12.1Check batt recoveryREMOVE jumper leadsIf OK ENTER

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CARBATTERY

!

Testing alternator.Do not stop motor.Vch 13.96 Ich 13.2Please wait 4:20

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Testing alternator.Do not stop motor.Vch 13.96 Ich 13.2Please wait 4:20

AutoTest now has the test battery connected to the test vehicle’s charging system. This period of testing is called dynamic testing. Firstly, AutoTest checks the alternator to make sure it is charging the test battery properly.

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Testing battery.Do not stop motor.Vch 14.22 Ich 13.2Please wait 4:01

Next, AutoTest checks the battery. The amount of time AutoTest takes to test the battery depends on the state of charge of the battery being tested. AutoTest allows more time for a discharged battery to “come good” during charge than it does for a well charged battery.

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Continue Managed

Test

Continue Managed

Test

Wasbattery OK

for Drain Test at start of Managed

Test?

Wasbattery OK

for Drain Test at start of Managed

Test?

Test CompletedContinue to

results display

Test CompletedContinue to

results display

Testing batteryDo not stop motorVch 14.22 Ich 18.2Please wait 0:10

No

Yes

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Vch 14.24 Ich 18.4Drain Test

Stop motor ONLY if OK. ENTER

The test battery was too discharged to reveal a current drain at the start of the managed test (when it is usually performed). Because the amps probe has been measuring high amps during cranking and charging, it must be re-zeroed before looking for a small key-off current drain. 32


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AC STARTER TEST


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CARBATTERY

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REMOVE amps probeand place next tobattery GROUND lead.

ENTER

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CARBATTERY

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ENTER

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CARBATTERY

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ENTER

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CARBATTERY

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ATTACH amps probe tobattery ground lead

Amps 0.00 ENTER

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CARBATTERY

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ATTACH amps probe tobattery ground lead

Amps 0.78 ENTER

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Results Screen 1 shows that• the battery is OK but needs charge• the alternator/regulator combination is OK• the key-off current drain is high

and should be checked further

Batt Pass/Needs ChrgAlt/Reg PassDrain Suspect

Managed Mode Test Completed

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AC STARTER TEST


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CARBATTERY

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Batt Pass/Needs ChrgAlt/Reg PassDrain Suspect

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Battery OCV 7.59VDrain Amps 0.78AClamp Drop 0.01V

Results Screen 2 shows more detail• the open circuit voltage OCV (or no load

voltage) was 7.59 Volts when the clips were first connected to the battery

• the key-off current drain was 0.78 Amps• the drop in loaded volts between

the battery clamp and battery post was 0.01 Volts

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AC STARTER TEST


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CARBATTERY

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Battery OCV 7.59VDrain Amps 0.78AClamp Drop 0.01V

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Charge Volts 13.96VCharge Amps 13.60AAlt ripple 50.5mV

Results Screen 3 shows results achieved during the course of the Alternator/Regulator test (one of the dynamic tests performed as part of the managed test). It shows

• the highest charge voltage was 13.96 Volts• the highest charge current was 13.60 Amps• the ripple voltage produced by the

diodes of the alternator duringcharge was 50.5 milli-Volts

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CARBATTERY

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Charge Volts 13.96VCharge Amps 13.60AAlt ripple 50.5mV

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Battery LV 9.63VAccum Ah 1.06ABattery Res 11.6m

Results Screen 4 shows results achieved during the course of the Battery test (one of the dynamic tests performed as part of the managed test). It shows that the test battery’s

• loaded volts (LV) was 9.63 Volts• charge accumulation during the whole

managed test was 1.06 Amp hours• internal resistance was 11.6 milli-

Ohms44

BATTERYSLV

STARTER TEST

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AC STARTER TEST


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The Battery SLV Test

Test indicates the battery’s condition as a percentage

Results also shown as the Simulated Loaded Volts or SLV (the result that would be achieved by a loaded voltage test using a ½ CCA current 15 second discharge)

The Monitor Screen gives a “live” update of the battery condition during battery charge/discharge


Almost instant two line description of the test result

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AC STARTER TEST


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The Battery SLV Test

To enter the SLV Test AutoTest must be in the “Home Screen”as shown here. From the Home Screen press the “BATTERY SLV” button once.

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AC STARTER TEST


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CARBATTERY

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Battery SLV Test

CONNECT Clips

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AC STARTER TEST


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Battery SLV TestEnter Battery CCA

400 (SAE) ENTER

CARBATTERY

!

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400(SAE) ENTER

Use the up and down arrows to select the test battery size (its CCA rating). The measurement standard used for battery size is shown in brackets. Australia and the USA use SAE while Europe uses mostly DIN or Ah. In the demonstration test the test battery size is 350 (SAE). 50


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AC STARTER TEST


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CARBATTERY

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350 (SAE) ENTER

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CARBATTERY

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350 (SAE) ENTER

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Battery Good. Passed SLV Test.Battery Rating 65%Battery SLV 10.25

CARBATTERY

!

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Battery Good.Passed SLV Test.Battery Rating 65%Battery SLV 10.25

This screen shows the results of the SLV test• the first 2 lines show the battery determ-

ination. 10 different results are possible• the 3rd line shows the battery condition as a

percentage. 100% is for an as new battery while negative percentages indicate a reject.

• the 4th line shows the battery’sSimulated Loaded Volts or SLV

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CARBATTERY

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Battery Good.Requires Charge.Battery Rating 65%Battery SLV 10.25

The Monitor Screen

To enter the Monitor Screen, position the amps probe in the “next to” position (described earlier) then press the down arrow and attach the amps probe to the battery negative cable.

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AC STARTER TEST


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CARBATTERY

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AC STARTER TEST


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CARBATTERY

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CARBATTERY

!

Initial OCV 12.54Vch 14.25 Ich 22.44Lvd 10.25 Ah 0.50 Int. res m:15.4

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Initial OCV 12.54Vch 14.25 Ich 22.44Lvd 10.25 Ah 0.50Int. res.m 15.4

The Monitor Screen The screen gives a “live” update of battery condition either stand alone or while the battery is being charged or discharged.Line 1 shows the OCV (open circuit voltage or no load voltage) when the test clips were first connected to the test battery.

Line 1

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The Monitor Screen Line 2 shows Vch, the instantaneous charge voltage at the battery. If there is no charger connected then Vch is simply the voltage at the battery terminals.Line 2 also shows Ich, the instantaneous current flow into the battery measured in Amps.

Press Enter on the keyboard to move to the next slide

Line 2

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The Monitor Screen Line 3 shows Lvd, the dynamic loaded voltage of the battery. Lvd is a “live” measurement of the voltage that would result after a load current of ½ the rated CCA were drawn from the battery for 15 seconds.Line 3 also shows Ah, the total charge energy put into the test battery while in the Monitor Screen.

Line 3

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The Monitor Screen Line 4 shows the internal resistance of the test battery measured in milli-Ohms. The lower the internal resistance the better the battery. An internal resistance above 100m indicates a very high resistance battery. If charging does not bring the internal resistance tobelow 100m within a short period of time then the battery is a reject.

Line 4

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BATTERYSLV

STARTER TEST

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The Starter Motor Test

Tests the ability of the battery to supply the current required during a 15 second engine crank

When the cranking current is around half the battery’s rated CCA the test is a true 15 second ½ CCA loaded voltage test on the battery

When cranking is terminated prior to 15 seconds the results obtained until just before cranking was stopped are displayed


Tests how much current is drawn by the starter motor during a 15 second engine crank

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The Starter Motor Test

To enter the Starter Motor Test press the “BATTERY SLV” button twice

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CARBATTERY

!

Starter Test

CONNECT Clips

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CARBATTERY

!

Starter TestConnect amps probe

ENTER

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Starter TestConnect amps probe.

ENTER

Clamp the Amps probe around all of the wires connected to the battery negative terminal.

There is no need to zero the probe before connecting it. Zeroing (placing the amps probe next to the negative cable first) is only necessary when checking for small currents like current drain with the key off.

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CARBATTERY

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Starter TestConnect amps probe

ENTER

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AC STARTER TEST


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Disable ignition andfuel and CRANK forup to 15 seconds. 14 sec

CARBATTERY

! 70

Disable ignition andfuel and CRANK forup to 15 seconds.

14 sec

Disable the ignition by removing the high tension coil lead from the distributor and connecting it to ground. Disable the fuel pump to prevent unburnt fuel damaging the catalytic converter by removing the fuel pump relay or fuse. AutoTest automatically detects the start of cranking and counts down from 15 seconds to show the recommended cranking time remaining. 71

Time Volts Amps 5.0s 9.91 197.010.0s 9.62 196.415.0s 9.42 184.5

The Starter Test Results ScreenThe results table shows the cranking volts and amps after 5, 10 and 15 seconds of cranking.When the amps readings are high, either there is excessive engine friction placing high loads on the starter motor or the starter motor is faulty.

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The Starter Test Results ScreenThe voltage readings can give an indication of the loaded voltage performance of the battery.If the battery is fully charged and the amps readings are around ½ the battery’s rated CCA then the voltage after 15 seconds is the battery’s Loaded Voltage (LV). LVs below 9.6 volts indicate a reject battery. 73


The Starter Test Results ScreenIf the test battery was rated at 380 CCA (SAE) and it was fully charged for the test, the results screen above would indicate a reject battery.The test battery is delivering plenty of amps and will start an engine, but it’s voltage isn’t holding up under load, which indicates the battery will soon fail. 74


The Starter Test Results ScreenWhen cranking is stopped before 15 seconds (in this case just after 12 seconds) AutoTest will display as much data as was gathered during the shortened crank.Had cranking stopped before 10 seconds (but after 5) there would only be two rows of results. If cranking stopped before 5 seconds there would only be one. 75

auto test electrics analyser 1. autotest electrics analyser v. com reset zero up down battery slv...

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