Steering Wheel Play Check; Steering Force Check - Suzuki Swift Sport 2004 Service & Repair Manual

Reference waveform No.3
Motor output signal 1(1), Motor output signal 2(2), with
engine idling
Measurement CH1: "E51-1" to vehicle body ground
terminal CH2: "E51-2" to vehicle body ground
Oscilloscope CH1: 5 V/DIV, CH2: 5 V/DIV
TIME: 20 µs/DIV
setting
Measurement • Engine is idling and steering wheel
condition is kept fully turned to left or right
until it stops
[A]: Steering wheel is kept fully turned left until it stops
[B]: Steering wheel is kept fully turned right until it stops
[C]: 12 V ON
[D]: GND ON

Steering Wheel Play Check

• Check steering wheel for looseness or rattle by
moving it in its shaft direction and lateral direction.
If found defective, repair or replace.
• Check steering wheel for play, holding vehicle in
straight forward condition on the ground with engine
stopped.
If steering wheel play is not within specification,
inspect as follows and replace if found defective.
• Tie-rod end ball stud for wear (Ball stud should move
when more than 0.2 N⋅m (2 kg-cm, 0.44 lb-ft) torque is
applied.)
• Lower ball joint for wear
• Steering shaft joint for wear
• Steering pinion or rack gear for wear or breakage
• Each part for looseness
Steering wheel play "a"
: 0 – 30 mm (0 – 1.18 in.)

Steering Force Check

1) Place vehicle on level road and set steering wheel at
straight-ahead position.
2) Check if tire inflation pressure is as specified
referring to the tire placard.
3) Remove driver air bag (inflator) module referring to
"Driver Air Bag (Inflator) Module Removal and
Installation in Section 8B".
4) Start engine.
5) With engine idling, measure steering force by turning
torque wrench.
Steering force
: Less than 6.4 N⋅m (0.64 kgf-m, 4.6 lb-ft)
I6RS0B630019-01
S7RS0B6304024
6) Install driver air bag (inflator) module referring to
"Driver Air Bag (Inflator) Module Removal and
Installation in Section 8B".
Power Assisted Steering System: 6C-39
I3RM0A630021-01
S7RS0B6304025
I3RM0A630022-01