21
5 OBDII/EOBD Operations
OBD-II/EOBD menu lets you access all OBD service modes. According to ISO 9141-2, ISO
14230-4, and SAE J1850 standards, the OBD application is divided into several sub programs,
called ‘Service $xx’. Below is a list of OBD diagnostic services:
●
Service $01
- request current powertrain diagnostic data
●
Service $02
- request powertrain freeze frame data
●
Service $03
- request emission-related diagnostic trouble codes
●
Service $04
- clear/reset emission-related diagnostic information
●
Service $05
- request oxygen sensor monitoring test results
●
Service $06
- request on-board monitoring test results for specific monitored systems
●
Service $07
- request emission-related diagnostic trouble codes detected during current or
last completed driving cycle
●
Service $08
- request control of on-board system, test or component
●
Service $09
- request Vehicle Information
When OBDII/EOBD application is selected from Home screen, the tool starts to detect the
communicaiton protocol autometically. Once the connection has established, a menu that lists all
of the tests available on the identified vehicle displays. Menu options typically include:
●
System Status
●
Read Codes
●
Freeze Frame Data
●
Erase Codes
●
Live Data
●
I/M Readiness
●
O2 Sensor Test
●
On-board Monitor Test
●
Component Test
●
Vehicle Information
●
Modules Present
●
Code Lookup
NOTE
Not all function options listed above are applicable to all vehicles. Available options may vary by
the year, model, and make of the test vehicle. A “The selected mode is not supported!” message
displays if the option is not applicable to the vehicle under test.
5.1 System Status
System Status option open a screen with a summary of system status of the vehicle under test.
To view summary system status of a vechicle:
1.
Scroll with the arrow keys to highlight System Status from Diagnostic Menu and press the
ENTER key.
Figure 5-1 Sample Diagnostic Menu Screen
