Suzuki GRAND VITARA JB416, Service Manual

Page: 301 / 474

Electronic Stability Program: 4F-38
DTC Troubleshooting
DTC C1090: ECM Detect Rolling Counter Failure from ESP
®
Control Module
S5JB0E4604040
DTC Detecting Condition and Trouble Area
DTC Troubleshooting
C1078:
Lateral G sensor in yaw rate / G sensor assembly
calibration is incompleted. • Yaw rate / G sensor assembly
• Lateral G sensor calibration is incompleted
• ESP
®
control module
DTC Detecting Condition Trouble Area
Step Action Yes No
1 Was “Electronic Stability Program Check” performed? Go to Step 2. Go to “Electronic
Stability Program
Check: ”.
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
®
.
Is there any DTC(s) other than C1075, C1076, C1077 and
C1078?
Go to applicable DTC
diag. flow. Go to Step 3.
3 Check sensor calibration
1) Calibrate all sensors referring to “Sensor Calibration: ”.
2) Clear all DTC(s) and check DTC for ESP
®
.
Is DTC C1075, C1076, C1077 and/or C1078 still detected?
DTC C1075: Replace
steering angle sensor.
DTC C1076: Replace
ESP
®
hydraulic unit /
control module
assembly.
DTC C1077 / 1078:
Replace yaw rate / G
sensor assembly.
Calibration was
incompleted.
DTC Detecting Condition Trouble Area
ESP
®
control module rolling counter failure is detected by
ECM.
• CAN communication circuit
• ECM
• ESP
®
control module
Step Action Yes No
1 Was “Electronic Stability Program Check” performed? Go to Step 2. Go to “Electronic
Stability Program
Check: ”.
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
®
.
Is there any DTC(s) other than C1038 and C1090?
Go to applicable DTC
diag. flow. Go to Step 3.
3 DTC check for ECM
1) Check DTC for ECM.
Is DTC U0073 and/or DTC U0121 detected?
Go to applicable DTC
diag. flow. Substitute a known-
good ESP
®
hydraulic
unit / control module
assembly and recheck.