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34
LAUNCH
TOUCH PRO ELITE User Manual
Record: Tap to record and save Live Data. Recorded Live Data can serve as
valuable information to help you in troubleshooting and diagnosing vehicle
problems. The saved le follows the naming rule: It begins with vehicle type, and
then the record starting time and ends with .x431 (To dierentiate between les,
please congure the accurate system time). All diagnostic records can be viewed
by tapping
Data
->
Diagnostic Record
.
5.3 OBDII Diagnosis
This option presents a quick way to check for DTCs, isolate the cause of the
illuminated Malfunction Indicator Lamp (MIL), check monitor status prior to
emissions certification testing, verify repairs, and perform a number of other
services that are emission-related.
After the tool is properly connected to the vehicle’s DLC, tap
OBD II
on the
Job menu. The tool will automatically start a check of the vehicle’s computer
to determine which type of communication protocol it is using. When the tool
identifies the computer’s communication protocol, a communication link is
established and then the screen will display the Monitor Status.
Fig. 5-12
Note: A PROTOCOL is a set of rules and procedures for regulating data
transmission between computers, and between testing equipment and
computers. Now ve dierent types of protocols (ISO 9141, Keyword 2000,
J1850 PWM, J1850 VPW and CAN) are in use by vehicle manufacturers.
Tap
OK
, the following function list appears.
1. Read Codes
This option is used to identify which section of the emission control system has
malfunctioned.
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