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4LHD/4LHDX Application Manual
Powertrain Control Solutions
REV 1.1
3.2.3 Stationary Engine-Running Checks
Fluid Level Check
Start the engine and check the uid level as specied in Section 2.3.7. Adjust uid level as necessary.
Engine RPM
Verify the engine RPM on the software matches the actual engine RPM.
Diagnostic Code Check
Verify there are no diagnostic trouble codes set. If any are present refer to the PCS 4LHD/4LHDX Technicians Guide for
a full list of these codes and troubleshooting instructions.
3.2.4 Test Drive
Vehicle Speed
Move the vehicle and verify that the vehicle speed operates properly.
Shifting
A test drive should be performed to check proper transmission operation in all gears. This includes but is not limited to
shift quality, gear range, and abuse protection (if equipped). Operate the vehicle until the transmission is at operating
temperature.
3.2.5 Post Drive Check
Diagnostic Code Verication
Upon completion of the test drive, check to see if any diagnostic codes have been set. If any are present refer to the PCS
4LHD/4LHDX Technicians Guide for a full list of these codes and troubleshooting instructions.
Fluid Level Verication
Verify the uid level is correct and no uids are leaking from the vehicle. Adjust uid level as necessary.
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