8
Introduction Power Sources
1.4 Power Sources
Your diagnostic tool can receive power from any of the following sources:
• Internal Battery Pack
• AC/DC Power Supply
• Vehicle Power
1.4.1 Internal Battery Pack
The diagnostic tool can be powered from the internal rechargeable battery pack. A fully charged
battery provides sufficient power for about 3 hours of continuous operation.
Battery charging occurs when the diagnostic tool is connected to the AC/DC Power Supply and to
a live AC power source.
The Battery Status Indicator LED (located next to the DC power supply jack) indicates battery
status (Figure 1-3).
• Green - indicates battery is fully charged
• Red - indicates battery is charging
• Amber - indicates a battery issue. This is usually caused by excessive battery temperature
(above 104°F/40°C), which disables charging. Allow the diagnostic tool to cool down before
continuing operation.
1.4.2 AC/DC Power Supply
The diagnostic tool can be powered from a standard AC outlet using the AC/DC power supply. The
connector on the end of the output cable of the AC/DC power supply attaches to the DC power
supply input jack on top of the diagnostic tool. Use only the AC/DC power supply provided.
Never connect the AC/DC power supply to the DC power supply input on the diagnostic tool when
the diagnostic tool is communicating with a vehicle.
1.4.3 Vehicle Power
All OBD-II/EOBD vehicles have vehicle battery power (B+) available on the DLC. The diagnostic
tool is powered through the Data Cable when connected to the vehicle DLC. A green LED
indicator on the DLC end of the data cable, illuminates when power is being supplied to the cable.
If the LED fails to illuminate, check that the data cable is properly connected and then check the
DLC power circuit. See Data Cable Connection‚ on page 17 for additional data cable information.
An optional power cable is required when testing non-OBD-II/EOBD models that do not have
vehicle battery power (B+) available on the DLC. Contact your sales representative for availability.
Never connect the optional power cable to the DC power supply input on the diagnostic tool when
the diagnostic tool is communicating with a vehicle.
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