Figure 5-26 Sample data of $81 screen
5. Press the BACK key to exit and return.
5.8 On-Board Monitor Test
The On-Board Monitor Test function is useful after servicing or after clearing a vehicle ECU’s
memory. It receives test results for emission-related powertrain components and systems that
are not continuously monitored for Non-CAN vehicles. And for CAN vehicles, it receives test data
for emission-related powertrain components and systems that are and are not continuously
monitored. It is vehicle manufacturer who is responsible for assigning test and component IDs.
NOTE
Test results do not necessarily indicate a faulty component or system.
To request on-board monitor test results:
1. Scroll with the arrow keys to highlight On-Board Monitor Test from Diagnostic Menu and
press the ENTER key.
Figure 5-27 Sample Diagnostic Menu Screen
2. Depending on the protocol the vehicle used, one of these 2 screens shows.
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