User Manual

LAUNCH X-431 PAD V User Manual

Tap the target system (take

ECM

for example) to navigate to the diagnostic

function selection screen.

*Note: Different vehicle has different diagnostic menus.

A. Version Information

This function is used to read the version information of system mode, vehicle

VIN, software and ECU.

B. Read Fault Code

This function displays the detailed information of DTC records retrieved from the

vehicle’s control system.

*Note: Retrieving and using DTCs for troubleshooting vehicle operation is only one

part of an overall diagnostic strategy. Never replace a part based only on the DTC

definition. Each DTC has a set of testing procedures, instructions and flow charts that

must be followed to confirm the location of the problem. This information can be

found in the vehicle’s service manual.

On the diagnostic function selection screen, tap

Read Fault Code

, the screen

will display the diagnostic result.