Launch X-431 GDS User Manual
LAUNCH X-431 GDS Batterybox Manual
Precaution on Operation
z The appliance is a sophisticated electronic device, never have it clashed
when in use.
z Main unit screen may flash at the moment of engine ignition, which is
normal.
z You may unplug the main unit if the program can not be actuated or
confused screen occurs. Plug again to continue the operation.
z Make sure the appliance is properly connected to the DLC to avoid
communication interruptions.
z During operation, keep the screen upward and leveled.
z Be careful when plugging and unplugging the main cable and diagnostic
connector. Tighten the screw before operation to avoid unexpected
disconnecting and/or damage to the port.
z Handle with care. Avoid collision. Unplug the power after operation.
z Unplug the power cable by holding the connector, not the cable itself.
LAUNCH X-431 GDS Batterybox Manual
Contents
1. Foreword ...................................................................................1
1.1 Product summary................................................................1
1.2 Scope...............................................................................1
1.3 Capability standard for vehicle battery test ................................2
2. Test environment and structure........................................................3
2.1 Test environment.................................................................3
2.2 Battery status and description................................................3
2.3 Batterybox structure and test accessories.................................4
3. Connections & Operations..............................................................6
3.1 Connection........................................................................6
3.2 Inside the vehicle test...........................................................6
3.2.1 Battery test...............................................................6
3.2.2 Charging system and starting system test...................... 11
3.4 Outside the vehicle test.......................................................14
3.5 Review version info............................................................16
4. Precaution items on battery test.....................................................18
LAUNCH X-431 GDS Batterybox Manual
1. Foreword
1.1 Product summary
X-431 GDS i
s a new generation of sophisticated and
integrated automotive diagnostic product with colorful screen and powerful
functions developed by LAUNCH.
It provides an optional function of automotive battery test, which adopts the
latest state-of-the-art conductance testing technology in the world and can test
vehicle’s battery status. Two testing environments (Inside the Vehicle and
Outside the Vehicle) are available and applicable to battery test. In addition to
battery test, charging system and actuation system test can be done while
Inside the Vehicle is selected.
It supports various battery standards and specifications, including CCA, DIN,
IEC, EN, JIS, SAE and GB etc. It is specifically designed to help car owner,
repair workshop, battery factory use battery test instrument properly and
determine whether the battery is normal or not.
1.2 Scope
Battery test aims to check starting plumbic acid storage batteries for vehicles,
ship, boats and aviations, etc. It can test all kinds of batteries complying with
CCA, DIN, JIS, EN, GB and SA standards. For detailed test standards, please
refer to Table 1-1.
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LAUNCH X-431 GDS Batterybox Manual
Table 1-1 Test standard
Standards Standard (Full name) Test capacity range
CCA Battery Council international
DIN Deutsche industry normen
JIS Japanese industry standard
EN Europe norm
IEC National electrical commission
GB Chinese national standard
SAE Society of Auto motive engine ers
100～1700
100～1200
26A17～245H52
100～1700
100～1200
100～1200
100～1700
1.3 Capability standard for vehicle battery test
The rated capacity range for vehicle battery varies with different test standards.
See Table 1 for details. If not specified, the rated capacity value is defaulted as
100～1700.
CCA：100～1700
DIN：100～1200
EN：100～1700
IEC：100～1200
GB：100～1200
SAE：100～1700
JIS：26A17～245H52
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LAUNCH X-431 GDS Batterybox Manual
2. Test environment and structure
2.1 Test environment
Inside the vehicle test indicates that the battery connects to loading devices,
such as engine, etc. After doing battery test, it can perform charging system
and actuation system test, which is proceeded as a whole simultaneously.
Charging system and actuation system test is not required but must not be
performed before battery test. Because it is difficult for vehicle technicians to
judge where is faulty exactly if they have the faintest idea of battery’s status
itself.
Outside the vehicle test indicates that the battery is disconnected from all
loading devices on vehicles. Therefore, only battery test is supported in this
condition.
2.2 Battery status and description
There are mainly 5 states as follows:
No. States Descriptions
1 Good battery Indicates battery is normal.
2 Replace
battery
Indicates that battery is aged or becomes rejected, or
battery life cycle approaches to be exhausted. In this
case, battery voltage appears to be normal, but battery
3 Good-recharge Stands for low battery. The battery is good itself.
4 Charge-retest It is better for a few batteries to be fully charged before
itself is not well, i.e. battery polarity board has been
completely vulcanized or aged. Please replace battery
immediately.
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LAUNCH X-431 GDS Batterybox Manual
testing in order to avoid judging in error under special
conditions.
5 Bad cell Indicates one of the battery cells is bad and can not
work normally, but for which one is bad, it can’t be
verified. In this case, battery voltage is generally lower
than 11V, mainly resulting from internal circuitry
damage, such as short circuit, open circuit, dummy
weld etc.
2.3 Batterybox structure and test accessories
2.3.1 Batterybox structure
Fig.2-1 Batterybox structure diagram
1. Battery connector: Connect to battery for battery test.
2. B type USB terminal: Connect to the GDS main unit with a USB cable.
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LAUNCH X-431 GDS Batterybox Manual
2.3.2 Test accessories
Fig. 2-2 Kelvin clip
Fig. 2-3 A/B cable
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