BATTERY INSPECTION [(US)]
BATTERY INSPECTION [(US)]
SM2334856
id0117008006u5
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Warning
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• Because battery acid is toxic, be careful when handling the battery.• Because battery acid is highly corrosive, be careful not to allow it to contact clothing or the vehicle.• If battery acid contacts skin, eyes, or clothing, flush it immediately with running water. If the acid gets in the eyes, flush with water for more than 15 min and get prompt medical attention.
Using GR8-1291:
1.Remove the battery filler caps and check the water level. If necessary, add water to the appropriate level. Reinstall the caps.
2.Attach the small red clamp to the positive battery terminal and the small black clamp to the negative terminal.
3.Select the Battery Test icon in the Main Menu, then press the NEXT key.
4.Test the battery by following the on-screen instructions to enter the appropriate information. Refer to the Mazda GR8-1291 Instruction Manual for more information.
5.After the test, the Control Module displays the test results in a series of screens. The analysis includes the battery state of health (SOH) and state of charge (SOC). Before the Battery Test results are displayed, use the keypad on the Control Module to enter the last 5 digits of the vehicle’s VIN and press NEXT to continue.
6.The Mazda GR8-1291 will print out the test results and display one of the eight possible results listed below. Review the results and follow the Action Step for the displayed result.
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Battery Tester Display |
Action Step |
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GOOD BATTERY
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Return the battery to service.
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GOOD – RECHARGE
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Fully charge the battery and return it to service.
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CHARGE & RETEST
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Fully charge the battery and retest. Failure to fully charge the battery before retesting may cause false readings. If CHARGE & RETEST appears again after you fully charge the battery, replace the battery.
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REPLACE BATTERY
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A REPLACE BATTERY result may also mean a poor connection between the battery and the vehicle. If you tested the battery using the System test, disconnect the battery cables and retest using the Battery Test before replacing it.
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BAD CELL – REPLACE
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Replace the battery.
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SIDE POST TEST
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Test data was inconclusive using the side post. Retest using side post adapters.
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JUMP START POST
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Data was inconclusive using the jump start post. Retest at the battery terminals.
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24 VOLT BATTERY
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24-volt battery detected. You are attempting to test both in-vehicle batteries in a 24-volt system. Disconnect the batteries and test them individually.
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Using Electrolyte Specific Gravity Method:
1.Remove the battery filler caps and check the water level.
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• If necessary, add water to the appropriate level.
2.Measure the electrolyte specific gravity using a hydrometer.
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• If it is less than the specification, recharge the battery. (See BATTERY RECHARGING [(US)].)
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Battery electrolyte specific gravity [20 °C {68 °F}]
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1.22—1.29
Using Battery Voltage Method:
1.Inspect the battery as follows after removing the battery filler caps, checking the water level, and adding water to the appropriate level if needed:
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Step |
Inspection |
Results |
Action |
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1
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Measure the battery positive voltage.
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12.4 V or more
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Go to Step 3.
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Less than 12.4 V
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Go to the next step.
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2
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Quick charge for 30 min and recheck voltage.
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12.4 V or more
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Go to the next step.
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Less than 12.4 V
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Replace the battery.
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3
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Using the battery load tester, apply load current (see battery load test current) and record battery voltage after 15 s. Is voltage more than the specification?
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Yes
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Normal
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No
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Replace the battery.
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Battery load test current
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55D23L (60A·h/20HR): 180 A75D23L (65A·h/20HR): 195 ALN2 (60A·h/20HR): 195 A
Standard specification
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Battery temp. (°C {°F}) |
Minimum voltage (V) |
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4 {39}
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9.3
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10 {50}
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9.4
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16 {61}
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9.5
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21 {70}
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9.6
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Parasitic Draw Inspection
1.Verify that the ignition is switched off.
2.If using a series-type ammeter, continue to Step 4. If using the GR8-1291 Battery Maintenance Station with the inductive amp clamp, skip to Step 5.
3.Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION [(US)].)
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Caution
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• Operating electrical loads while the parasitic draw is being measured can damage a series-type ammeter.
4.Connect the meter between the negative battery terminal and negative battery cable. Proceed to Step 9.
5.Select the DMM icon from the main menu.
6.Select the DC Ammeter.
7.Select the 70 AMP MAX range. (measuring milliamps)
8.Connect the amp clamp to the negative battery cable.
9.Monitor the current draw.
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Note
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• If the battery is not left undisturbed for 10 min, the tester will indicate a high value ( approx. 300 mA).• If the push button start or any electrical accessory is operated after the tester is connected, the battery must be left undisturbed for 40 min or more from that point.• For vehicles with the immobilizer system, the system periodically shifts synchronization of the security indicator light flashing. Therefore, 65 mA (0.1 s) current draw is supplied when the security indicator light is illuminated, and 40 mA (2 s) current draw is supplied when the security indicator light is not illuminated. In addition, the measuring instrument, which shows the average value, indicates around 55 mA.
10.Leave the vehicle electrical system undisturbed for 40 min or more, and then measure the parasitic draw.
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• If not within specification, measure the parasitic draw while removing the fuses one by one from the inside of the main fuse block and the inside of the fuse block.• Inspect and repair wiring harnesses and connectors of the fuse where the current draw has decreased.
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Parasitic draw (When the ignition is off, all doors, the hood and the liftgate are closed.)
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40—65 mA