Laser 5091 Instruction M

Laser 5091 Code Reader User’s Guide Laser 5091 Code Reader User’s Guide
4948
OBD II regulations require certain vehicles monitor and test oxygen (O2) sensors
to isolate fuel and emissions related faults. The O2 Monitor Test function is used
to retrieve completed O2 sensors monitor test results.
√ The O2 Monitor Test is not an on-demand test. O2 sensors are not tested
when selected via the menu but tested when engine operating conditions
are within specifi ed limits.
√ If the vehicle uses a controller area network (CAN) protocol to
communicate, this function is not supported by vehicle. Refer to
“On-Board Monitor Tests” on page 50 for O2 monitor data of CAN-
equipped vehicles.
To retrieve O2 monitor data:
1. Use the UP/DOWN key to select O2 Monitor Test from Diagnostic Menu
screen.
2. Press the ENTER key to confi rm
3. Use the UP/DOWN key to pick desired O2 sensor.
√ If the vehicle being tested does not support this function, the code reader
displays a “Not Support This Function!” message.
4. Press the ENTER key to view data of selection.
√ When more than one screen of data is retrieved, use the UP/DOWN key to
view additional information.
5. Press the BACK key to return to O2 Monitor Test screen.
6.6 O2 Monitor Test

Laser 5091 Specifications

General

Brand	Laser
Model	5091
Category	Barcode Reader
Language	English