Suzuki XL7 2007 Service Manual page 394

1D-54 Engine Mechanical:
Step
Check the vehicle to determine if the disturbance is now
significantly reduced or eliminated. Perform the following
steps:
1. Install or connect any components that were removed or
disconnected during diagnosis.
2. Install a scan tool into the customer's vehicle.
3. Install the J 38792-A, if available, into the customer's
vehicle; place the sensor in exactly the same location as it
was originally placed in the vehicle.
4. Block the front wheels.
5. Apply BOTH the service brakes and the park brake.
6. Start the engine.
7. Place the transmission in NEUTRAL or PARK.
8. Slowly increase the engine RPM to the level at which the
disturbance was most noticeable.
20
9. Record the engine RPM obtained on the scan tool and the
most dominant frequency reading if obtained on the J
38792-A, if available.
10. Place the transmission in DRIVE.
11. Slowly increase the engine RPM to the level at which the
disturbance was most noticeable.
12. Record the engine RPM obtained on the scan tool and the
most dominant frequency reading if obtained on the J
38792-A, if available.
13. If the disturbance has been significantly reduced or
eliminated, confirm the results by placing the transmission
into REVERSE, then repeat steps 11 and 12. Reverse-
loading of the powertrain may increase or change the
characteristics of the vibration.
Has the disturbance been significantly reduced or eliminated?
Perform the Vibration Analysis - Road Testing table. Refer to
21 "Vibration Analysis - Road Testing: ".
Is the disturbance still present?
Action Yes
Go to "Vibration
Go to Step 21
Diagnostic Aids: "
Go to "Vibration
Diagnostic Aids: "
No
System OK