Diagnose; Connection; System Diagnosing; System Scan - LAUNCH TECH CRP 429HD User Manual

Table of Contents

LAUNCH

5. Diagnose

1. Turn the ignition off.

2. Locate the vehicle's DLC.

3. Select the desired adaptor cable according to your vehicle's DLC.

• For vehicles equipped with OBD II management system, directly insert one

end of the diagnostic cable into the OBD-16 connector, and the other end to

the vehicle's DLC.

• For vehicles equipped with non-OBD II management system, a non-16pin

adaptor cable is required. In this case, connect one end of the non-16pin

adaptor cable to the vehicle's DLC, and the other end to the OBD-16 terminal

of the diagnostic cable. Plug the other end of the diagnostic cable into the

DB-15 connector of the handset, and tighten the captive screws.

*Note:

If the power supply on vehicle diagnostic socket is insufficient or the power pin is

damaged, you can get power in the following ways:

• From cigarette lighter: insert one end of the cigarette lighter cable into the

vehicle's lighter receptacle and connect the other end to the charging port of the

CRP 429HD.

• From battery: clamp the two clips of battery clamps cable on the positive and

negative poles of battery and insert the other end of the cable into the charging

port of the CRP 429HD.

4. Turn the ignition on. Engine can be off or running.

This function is specially designed to diagnose electronic control systems of

single vehicle model.

There are two ways available for you to diagnose vehicle systems.

This module provides the ability to quickly scan the vehicle systems without

having to select the vehicle manufacturer and model step by step. After all

connections are properly made, turn the ignition key on and the system enters

automatic system scanning mode.

*CAUTION: Don't connect or disconnect any test equipment with ignition on or engine

running.

CRP 429HD User's Manual

Table of Contents