Suzuki GRAND VITARA JB416 Service Manual page 300

4F-37 Electronic Stability Program:
DTC Detecting Condition and Trouble Area
DTC Detecting Condition
CAN line communication error in ESP® control module
and yaw rate / G sensor assembly is detected.
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®.
Is DTC C1057 detected?
3 Check each control module connectors
1) Check connection of connectors of all control modules
communicating by means of CAN (for yaw rate / G
sensor assembly).
2) Check DTC for ESP®.
Is DTC C1073 detected?
4 CAN communication circuit check
1) Turn ignition switch to OFF position.
2) Disconnect connectors of ESP® control module and yaw
rate / G sensor assembly.
Is each CAN communication circuit between ESP
module and yaw rate / G sensor assembly opened, shorted
or high resistance?
5 Check yaw rate / G sensor assembly
1) Substitute a known-good yaw rate / G sensor assembly.
2) Connect connectors to ESP® control module and yaw
rate / G sensor assembly.
3) Clear all DTC(s) and check DTC for ESP®.
Is DTC C1073 still detected?
DTC C1075 / 1076 / 1077 / 1078: Steering Angle Sensor / Master Cylinder Pressure Sensor /
Longitudinal G Sensor / Lateral G Sensor in Yaw Rate / G Sensor Assembly Calibration Incomplete
DTC Detecting Condition and Trouble Area
DTC Detecting Condition
C1075:
Missing steering angle sensor calibration point data is
detected.
C1076:
Master cylinder pressure sensor calibration is
incompleted.
C1077:
Longitudinal G sensor in yaw rate / G sensor assembly
calibration is incompleted. (for 4WD vehicle)
Action
®
Trouble Area
• CAN communication circuit (for yaw rate / G sensor
assembly)
• Yaw rate / G sensor assembly
• ESP® control module
Yes
Go to Step 2.
Go to applicable DTC
diag. flow.
Go to Step 4.
Repair or replace the
CAN communication
line.
control
Substitute a known-
good ESP® hydraulic
unit / control module
assembly and recheck.
Trouble Area
• Steering angle sensor
• Steering angle sensor calibration is incompleted
• ESP® control module
• Master cylinder pressure sensor
• Master cylinder pressure sensor calibration is
incompleted
• ESP® control module
• Yaw rate / G sensor assembly
• Longitudinal G sensor calibration is incompleted
• ESP® control module
No
Go to "Electronic
Stability Program
Check: ".
Go to Step 3.
Check for intermittent
trouble referring to
"Intermittent and Poor
Connection Inspection:
in Section 00 in related
manual".
Go to Step 5.
Yaw rate / G sensor
assembly was
malfunction.
S5JB0E4604039