Users Manual Part 1

CR Legend User Manual
8
3 Vehicle Diagnosis
3.1 Preparation
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The vehicle ignition is turned on.
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The vehicle battery voltage range is 11-14 volts.
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The throttle is in the closed position.
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Find DLC location.
The DLC (Data Link Connector) is usually located 12 inches from the center of the
instrument panel, under or around the driver’s side for most vehicles. For some
vehicles with special designs, the DLC location may vary.
If the DLC cannot be found, refer to the vehicle’s service manual for the l
ocation.
3.2 Vehicle Connection
Follow the steps mentioned below to connect OBD II vehicle:
Connect one end of the included diagnostic cable to the DB15 diagnostic
connector, and the other end to the vehicle’s DLC port.
For non-OBDII vehicle, proceed as follows:
1. Select the corresponding adaptor cable according to the vehicle’s DLC type.
2. Plug the non-16pin end of the adaptor cable into the vehicle’s DLC port, then
connect the other end to the OBD I adaptor, and then tighten the captive
screws.
3. Connect the other end of the OBD I adaptor to the diagnostic cable.
Note: If the pin of the DLC is damaged or the DLC has insufficient power, you can
get power via the Cigarette Lighter Cable: Plug one end of the cable into the vehicle’s
cigarette lighter receptacle, and other end to the DC port of the OBD I adaptor.