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8
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CRP 12
X
Premium
Before performing this function, make sure to retrieve and record the trouble codes.
After clearing, you should retrieve trouble codes once more or turn ignition on and retrieve codes again. If there are still some trouble codes in the system,
please troubleshoot the code using a factory diagnosis guide, then clear the code and recheck.
3. I/M Readiness
I/M refers to Inspection and Maintenance that is legislated by the Government to meet federal clean-air standards. I/M Readiness indicates
whether or not the various emissions-related systems on the vehicle are operating properly and are ready for Inspection and Maintenance testing.
The purpose of the I/M Readiness Monitor Status is to indicate which of the vehicle’s Monitors have run and completed their diagnosis and testing
(as described in Chapter 2.5), and which ones have not yet run and completed testing and diagnosis of their designated sections of the vehicle’s
emissions system.
The I/M Readiness Monitor Status function also can be used (after repair of a fault has been performed) to confirm that the repair has been
performed correctly, and/or to check for Monitor Run Status.
4. Data Stream
This option retrieves and displays live data and parameters from the vehicle
’
s ECU.
5. View Freeze Frame
When an emission-related fault occurs, certain vehicle conditions are recorded by the on-board computer. This information is referred to as freeze
frame data. Freeze Data is a snapshot of the operating conditions at the time of an emission-related fault.
Note: If DTCs were erased, Freeze Data may not be stored in vehicle memory depending on vehicle.
6. O2 sensor test
The results of O2 sensor test are not live values but instead the results of the ECU’s last O2 sensor test. For live O2 sensor readings, refer to any
of the live sensor screens such as Graph Screen.
Not all test values are applicable to all vehicles. Therefore, the list generated will vary depending on vehicle. In addition, not all vehicles support
the Oxygen Sensors screen.
7. On-board monitor test
This function can be utilized to read the results of on-board diagnostic monitoring tests for specific components/systems.
8. EVAP System Test
The EVAP test function lets you initiate a leak test for the vehicle’s EVAP system. The CRP12X Premium does not perform the leak test, but
signals to vehicle’s on-board computer to initiate the test. Before using the system test function, refer to the vehicle’s service repair manual to
determine the procedures necessary to stop the test.
9. Vehicle Info
This option displays the vehicle
information, such as VIN (Vehicle identification Number), CID (Calibration ID) and CVN (Calibration Verification
Number).
5.2 System Diagnosing
This function is specially designed to diagnose electronic control system of single vehicle model which includes the following systems:
ENG (Engine)
ABS (Anti-lock Brake System)
TCM (Transmission Control Module)
SRS (Supplemental Restraint System)
Notes:
Before diagnosing, please make sure the diagnostic program corresponding to certain vehicle model has been installed on your CRP12X Premium.
For vehicles manufactured by different vendors, it is possible that it has different diagnostic menus.
Refer to the flowchart illustrated as below to diagnose a vehicle:
