On-board monitor test – Sealey EU908 User Manual

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4) View test results of selected O2 sensor. (Figure 6.25)

… ……… .

O2 Bank1 Sensor2

.

Rich-Lean Threshd V

Lean-Rich Threshd V
Low for Switch (V)
High for Switch (V)
Rich-Lean Threshd S

Lean-Rich Threshd S

Figure 6.25

5) Use the UP/DOWN scroll button to view more data if additional

information is available in more than one page.

6) Press the ESC button to return to the previous menu.

6.7. On-Board Monitor Test

The On-Board Monitor Test is useful after servicing or after
erasing a vehicle’s control module memory. The On-Board
Monitor Test for non-CAN-equipped vehicles retrieves and
displays test results for emission-related power train components
and systems that are not continuously monitored. The On-Board
Monitor Test for CAN-equipped vehicles retrieves and displays
test results for emission-related power train components and
systems that are and are not continuously monitored. Test and
components IDs are determined by the vehicle manufacturer.

In this test, there are typically a minimum value, a maximum value,
and a current value for each monitor. By comparing the current value
with the minimum and maximum value, the scan tool will determine
if it is OK.

1) Use the UP/DOWN scroll button to select On-Board Monitor

Test from Diagnostic Menu and press the OK button. (Figure
6.3)

2) Wait a few seconds while the scan tool validates the PID MAP.

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