Suzuki Swift Sport 2004 User Manual

4F-50 Electronic Stability Program:
DTC Troubleshooting
DTC U1100: Lost Communication with ECM (Reception Error)
S7RS0B4604058
Wiring Diagram
Refer to “Wiring Diagram” under “DTC U1073: Control Module Communication Bus Off”.
DTC Detecting Condition and Trouble Area
DTC Troubleshooting
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 connection of connectors of all control modules
communicating by means of CAN.
2) Recheck DTC for ESP®.
Is DTC U1073 indicated?
Go to Step 3. Intermittent trouble.
Check for intermittent
referring to “Intermittent
and Poor Connection
Inspection in Section
00”.
3 CAN communication circuit check
1) Turn ignition switch to OFF position.
2) Disconnect connectors of all control modules
communicating by means of CAN.
3) Check CAN communication circuit between control
modules for open, short and high resistance.
Is each CAN communication circuit in good condition?
Go to Step 4. Repair or replace the
CAN communication
line.
4 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 U1073 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.
DTC Detecting Condition Trouble Area
ECM message data is missing from CAN communication. • 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
System Check”.
2 DTC check for ESP®
1) Check DTC for ESP®.
Is DTC U1100 and DTC U1073 detected together?
Go to “DTC U1073:
Control Module
Communication Bus
Off”.
Go to Step 3.
3 DTC check for ECM
1) Check DTC for ECM.
Is DTC P1674 detected?
Go to “DTC P1674:
CAN Communication
(Bus Off Error) in
Section 1A”.
Go to Step 4.

Suzuki Swift Sport 2004 Specifications

General

Brand	Suzuki
Model	Swift Sport 2004
Category	Automobile
Language	English