Suzuki Swift Sport 2004 User Manual

Electronic Stability Program: 4F-51
DTC U1126: Lost Communication with Steering Angle Sensor (Reception Error)
S7RS0B4604043
Wiring Diagram
Refer to “Wiring Diagram” under “DTC U1073: Control Module Communication Bus Off”.
DTC Detecting Condition and Trouble Area
DTC Troubleshooting
4 Check each control module connectors
1) Check connection of connectors of all control modules
communicating by means of CAN.
2) Check DTC for ESP®.
Is DTC U1100 detected?
Go to Step 5. Check for intermittent
trouble referring to
“Intermittent and Poor
Connection Inspection
in Section 00”.
5 CAN communication circuit check
1) Turn ignition switch to OFF position.
2) Disconnect connectors of ESP® control module and
ECM communicating by means of CAN.
3) Check CAN communication circuit between ESP®
control module and ECM for open, short and high
resistance.
Is each CAN communication circuit in good condition?
Repair or replace the
CAN communication
line.
Go to Step 6.
6 CAN communication circuit check
1) Disconnect connectors of all control modules
communicating by means of CAN.
2) Check CAN communication circuit between control
modules other than Step 5 for open, short and high
resistance.
Is each CAN communication circuit in good condition?
Go to Step 7. Repair or replace the
CAN communication
line.
7 DTC check for ESP®
1) Connect connectors of disconnected control modules
communicating by means of CAN.
2) Disconnect each connector.
•ECM
• Keyless start control module (if equipped)
• Combination meter
• Steering angle sensor
•BCM
3) Recheck DTC for ESP®.
Is DTC U1100 detected?
Check ESP® control
module power and
ground circuit. If circuits
are OK, substitute a
known-good ESP®
hydraulic unit / control
module assembly and
recheck.
Check applicable
control module power
and ground circuit. If
circuit is OK, substitute
a known-good
applicable control
module and recheck.
Step Action Yes No
DTC Detecting Condition Trouble Area
Steering angle sensor message data is missing from CAN
communication.
• CAN communication circuit
• Steering angle sensor
• ESP® control module
Step Action Yes No
1 Was “Electronic Stability Program Check” performed? Go to Step 2. Go to “Electronic
Stability Program
System Check”.
2 DTC check for ESP®
1) Check DTC for ESP®.
Is DTC U1126 and DTC U1073 detected together?
Go to “DTC U1073:
Control Module
Communication Bus
Off”.
Go to Step 3.

Suzuki Swift Sport 2004 Specifications

General

Brand	Suzuki
Model	Swift Sport 2004
Category	Automobile
Language	English