Dtc C1021, C1022 / C1025, C1026 / C1031, C1032 / C1035, C1036: Right-Front / Left-Front / Right-Rear / Left-Rear Wheel Speed Sensor Circuit Or Encoder Failure - Suzuki GRAND VITARA 2005 Service Manual

4F-29 Electronic Stability Program:
DTC C1021, C1022 / C1025, C1026 / C1031, C1032 / C1035, C1036: Right-Front / Left-Front / Right-
Rear / Left-Rear Wheel Speed Sensor Circuit or Encoder Failure
Refer to "DTC C1021, C1022 / C1025, C1026 / C1031, C1032 / C1035, C1036: Right-Front / Left-Front / Right-Rear /
Left-Rear Wheel Speed Sensor Circuit or Encoder Failure: in Section 4E".
DTC C1024: Steering Angle Sensor Circuit Failure
DTC Detecting Condition and Trouble Area
DTC Detecting Condition
• Steering angle sensor internal defect is detected by
CPU in steering angle sensor.
• Steering angle sensor signal is out of specified range.
DTC Troubleshooting
Step
1 Was "Electronic Stability Program Check" performed?
2 DTC check for ESP®
1) Connect scan tool to DLC with ignition switch turned
OFF.
2) Turn ignition switch ON and check DTC for ESP®.
Are DTC C1037 and/or U1126 detected?
3 Check sensor calibration
1) Calibrate steering angle sensor referring to "Sensor
Calibration: ".
2) Clear all DTC(s) and recheck DTC for ESP®.
Is DTC C1024 still detected?
4 Check steering angle sensor
1) Check steering angle sensor referring to "Steering Angle
Sensor On-Vehicle Inspection: ".
Is it good condition?
Action
Trouble Area
• Steering angle sensor
• ESP® control module
Yes
Go to Step 2.
Go to applicable DTC
diag. flow.
Go to Step 4.
Substitute a known-
good ESP® hydraulic
unit / control module
assembly and recheck.
S5JB0B4604087
S5JB0B4604063
No
Go to "Electronic
Stability Program
Check: ".
Go to Step 3.
Steering angle sensor
calibration is
incompleted.
Replace steering angle
sensor.