
204 NVH
CHANGE GEAR POSITION
If the selected vehicle does not have an OBD or OBD II data stream, the current gear
position must be entered while performing a NVH test. The gear position is used to
provide vehicle speed and certain rotational speeds which predict vibration frequencies.
To isolate the cause of noise and vibration accurately when testing a vehicle with
automatic transmission, be sure the transmission torque converter is in the lockup state.
Press * while in any of the three display modes to change the gear position. Use the left
and right keys to select a different gear position, then press e.
ACTIVE KEYS
u d Move cursor left or right
e Select gear position.
x Quit without changing the gear position.
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