RSU-4
< SERVICE INFORMATION >
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
NVH Troubleshooting ChartINFOID:0000000001703735
Use chart below to help you find the cause of the symptom. If necessary, repair or replace these parts.
×: ApplicableReference page
RSU-7RSU-8RSU-8RSU-8RSU-10RSU-7RSU-5RSU-4WT-4WT-4BR-4PS-5
Possible cause and SUSPECTED PARTS
Improper installation, looseness
Shock absorber deformation, damage or deflection
Bushing or mounting deterioration
Parts interference
Spring fatigue
Suspension looseness
Incorrect wheel alignment
REAR AXLE
TIRES
ROAD WHEEL
BRAKES
STEERING
SymptomNoise×××××× ×××××
Shake×××× × ×××××
Vibration××××× ×× ×
Shimmy×××× ××××××
Judder ××× ×××××
Poor quality ride or handling××××× ××××
SEAT BELTS
SB-9
< ON-VEHICLE REPAIR >
C
D
E
F
G
I
J
K
L
MA
B
SB
N
O
P ALR Function Stationary Check
1. Pull out entire length of seat belt from retractor until a click is heard.
2. Retract the webbing partially. A clicking noise should be heard as the webbing retracts, indicating that the
retractor is in the Automatic Locking Retractors (ALR) mode.
3. Grasp the seat belt and try to pull out the retractor. The webbing must lock and not extend any further. If
NG, replace the retractor assembly.
4. Allow the entire length of the webbing to retract to cancel the automatic locking mode.
ELR Function Moving Check
WARNING:
Perform the following test in a safe, open area clear of other vehicles and obstructions (for example, a
large, empty parking lot). Road surface must be paved and dry. DO NOT perform the following test on
wet or gravel roads or on public streets and highways. This could result in an accident and serious
personal injury. The driver and passenger must be prepared to brace themselves in the event the
retractor does not lock.
1. Fasten driver's seat belt. Buckle a passenger into the seat for the belt that is to be tested.
2. Proceed to the designated safe area.
3. Drive the vehicle at approximately 16 km/h (10 MPH). Notify any passengers of a pending sudden stop
and the driver and passenger must be prepared to brace themselves in the event the retractor does not
lock, apply brakes firmly and make a very hard stop.
During the stop, seat belts should lock and not be extended. If the seat belt retractor assembly does not lock,
perform the retractor off-vehicle check.
SEAT BELT RETRACTOR OFF-VEHICLE CHECK
1. Remove the seat belt retractor. Refer to SB-3.
2. Slowly pull out seat belt webbing while tilting the retractor assembly forward from the installed position
without twisting the retractor assembly as shown in the illustration.
A: Seat belt retractor in vertically installed position.
B: With 15° or less tilt, the webbing can be pulled out.
C: With 35° or more tilt, the webbing can not be pulled out.
D: Seat belt retractor in horizontally installed position.
: Vehicle front.
If the seat belt does not operate properly within the specifications, replace the seat belt retractor assem-
bly.
WHIA0351E
