Suzuki SX4 Service Manual page 672

4F-34 Electronic Stability Program:
DTC Troubleshooting
Step
1 Was "Electronic Stability Program Check" performed?
2 Check tire condition
1) Check that tire pressure is specifications.
Are they in good condition?
3 Wheel speed sensor circuit check
1) Disconnect ESP® hydraulic unit / control module
connector and applicable wheel speed sensor connector
with ignition switch turned OFF.
2) Check for proper connection to ESP® hydraulic unit /
control module connector at applicable terminals and
terminals of applicable wheel speed sensor.
3) If OK then check applicable wheel speed sensor circuit
for open, short and high resistance.
Is each applicable wheel speed sensor circuit in good
condition?
4 Wheel speed sensor check
1) Inspection applicable wheel speed sensor referring to
"Front and Rear Wheel Speed Sensor Inspection in
Section 4E".
Is it in good condition?
5 Wheel speed sensor encoder check
1) Inspection applicable wheel speed sensor encoder
referring to "Rear Wheel Speed Sensor Encoder On-
Vehicle Inspection in Section 4E" and/or "Rear Wheel
Speed Sensor Encoder On-Vehicle Inspection in Section
4E".
Is it in good condition?
6 Wheel speed sensor signal check
1) Inspection applicable wheel speed sensor referring to
"Front and Rear Wheel Speed Sensor On-Vehicle
Inspection in Section 4E".
Is it in good condition?
Action Yes
Go to Step 2.
Go to Step 3.
Go to Step 4.
Go to Step 5.
Go to Step 6.
Substitute a known-
good wheel hub
assembly and recheck.
If DTC detected,
substitute a known-
good ESP® hydraulic
unit / control module
and recheck.
No
Go to "Electronic
Stability Program
Check".
Replace tire or adjust
tire pressure and
recheck.
Repair circuit and
recheck.
Clean or replace.
Clean or replace wheel
hub assembly.
Replace wheel speed
sensor and recheck.