Cable SUZUKI SWIFT 2006 2.G Service Workshop Manual

Downloaded from www.Manualslib.com manuals search engine 4F-48 Electronic Stability Program:
DTC C1091 / C1094: ECM Data in CAN Line Failure / Invalid Torque Control Communication with
ECM
S7RS0B4604041
DTC Detecting Condition and Trouble Area
DTC TroubleshootingDTC Detecting Condition Trouble Area
C1091:
ECM sent invalid signal to ESP ® control module.
C1094:
Reception error of torque control signal with ECM • Engine control system
•ECM
• ESP
® control module
Step Action YesNo
1 Was “Electronic Stability Pr ogram Check” performed? Go to Step 2.Go to “Electronic
Stability Program
System 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 DTC C1090 detected? Go to applicable DTC
diag. flow.
Go to step 3.
3 DTC check other control module than ESP ®
1) Check DTC for ECM.
Is there any DTC(s)? Go to applicable DTC
diag. flow.
Substitute a known-
good ESP
® hydraulic
unit / control module
assembly and recheck.

Downloaded from www.Manualslib.com manuals search engine 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 TroubleshootingStep Action Yes No
1 Was “Electronic Stability Pr ogram 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 YesNo
1 Was “Electronic Stability Pr ogram 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.

Downloaded from www.Manualslib.com manuals search engine 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 Troubleshooting4
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 YesNo
1 Was “Electronic Stability Pr ogram 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.

Downloaded from www.Manualslib.com manuals search engine 4F-52 Electronic Stability Program:
DTC U1140: Lost Communication with BCM (Reception Error)S7RS0B4604045
Wiring Diagram
Refer to “Wiring Diagram” under “DTC U1073: Control Module Communication Bus Off”.
DTC Detecting Condition and Trouble Area3
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 U1126 detected? Go to Step 4. Check for intermittent
trouble referring to
“Intermittent and Poor
Connection Inspection
in Section 00”.
4 CAN communication circuit check
1) Turn ignition switch to OFF position.
2) Disconnect connectors of ESP ® control module, BCM
and steering angle sensor communicating by means of
CAN.
3) Check CAN communication circuit for open, short and high resistance.
• Between ESP ® control module and BCM
• Between steering angle sensor and BCM
Is each CAN communication circuit in good condition? Repair or replace the
CAN communication
line.
Go to Step 5.
5 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 4 for open, short and high
resistance.
Is each CAN communication circuit in good condition? Go to Step 6. Repair or replace the
CAN communication
line.
6 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
• Combination meter
• Steering angle sensor
•BCM
3) Check DTC for ESP ®.
Is DTC U1126 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
BCM message data is missing from CAN communication. • CAN communication circuit
•BCM
• ESP® control module

Downloaded from www.Manualslib.com manuals search engine Electronic Stability Program: 4F-53
DTC TroubleshootingStep Action Yes No 1 Was “Electronic Stability Pr ogram 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 U1140 and DTC U1073 detected together? Go to “DTC U1073:
Control Module
Communication Bus
Off”.Go to Step 3.
3 DTC check for BCM
1) Check DTC for BCM.
Is DTC U1073 detected? Go to “DTC U1073 (No.
1073): Control Module
Communication Bus Off
in Section 10B”.Go to Step 4.
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 U1140 detected? Go to Step 4. 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
BCM communicating by means of CAN.
3) Check CAN communication circuit between ESP®
control module and BCM 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
• Combination meter
• Steering angle sensor
•BCM
3) Check DTC for ESP ®.
Is DTC U1140 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.

Downloaded from www.Manualslib.com manuals search engine 4F-56 Electronic Stability Program:
ESP® Hydraulic Unit / Control Module Assembly Removal and InstallationS7RS0B4606037
CAUTION!
Never disassemble ESP ® hydraulic unit / control module assembly loosen blind plug or remove motor.
Performing any of these proh ibited services will affect original performance of ESP ® hydraulic unit /
control module assembly.

Removal
CAUTION!
• Do not give an impact to hydraulic unit.
• Use care not to allow dust to enter hydraulic unit.
• Do not place hydraulic unit on its side or upside down. Handling it in inappropriate
way will affect its original performance.

1) Disconnect negative (–) cable from battery.
2) Disconnect ESP ® control module connector (1) as
shown in figure.
3 1
(c)
2
(b)
(a)4
(a)
4
5
6
(b)
5
(c)
6
(d)
(d) 4
4
I7RS0B460012-01
1. ESP ® hydraulic unit / control module
assembly 5. ESP
® hydraulic unit / control module
assembly bolt : 25 N
⋅m (2.5 kgf-m, 18.0 lb-ft)
2. Bracket 6. ESP ® hydraulic unit / control module
assembly bracket bolt : 19 N
⋅m (1.9 kgf-m, 13.5 lb-ft)
3. ESP ® control module connector : 16 N ⋅m (1.6 kgf-m, 11.5 lb-ft)
4. Brake pipe flare nut : 9 N ⋅m (0.9 kgf-m, 6.5 lb-ft)
[A]: DisconnectC: Pull down to disconnect
[B]: Connect D: Pull up to connect
21
C D
[A]
[B]
I4RH01450001-01

Downloaded from www.Manualslib.com manuals search engine Electronic Stability Program: 4F-57
3) Remove front brake pipe referring to “Front Brake Hose / Pipe Removal and In stallation in Section 4A”.
4) Remove ESP ® hydraulic unit / control module with
bracket from vehicle by removing bracket bolts.
5) Remove bolt (4) and pull out ESP ® hydraulic unit /
control module assembly (1) from bracket (3) using
flat end rod or the like (2).
Installation 1) Install hydraulic unit / co ntrol module assembly and
by reversing removal procedure.
Tightening torque
Brake pipe flare nut: 16 N·m (1.6 kgf-m, 11.5 lb-
ft)
ESP ® hydraulic unit / control module assembly
bolt: 9 N·m (0.9 kgf-m, 6.5 lb-ft)
ESP ® hydraulic unit / control module assembly
bracket bolt: 25 N·m (2.5 kgf-m, 18.0 lb-ft)
2) Bleed air from brake system referring to “Air Bleeding of Brake System in Section 4A”.
3) Check each installed part for fluid leakage.
4) Connect SUZUKI Scan Tool.
5) Turn ignition switch to ON position. And SLIP indicator lamp flush. (Other than replace with new
one) If other than SLIP indicator lamp light, check
DTC and repair it.
6) Turn ignition switch to ON position. And ESP®
warning lamp, SLIP indicator lamp, ESP ® OFF
lamp, Brake warning lamp lights and ABS warning
lamp flush. (Replace new one)
7) Check DTC.
NOTE
If any DTC(s) other than C1075, C1076 or
C1078 are detected, sensor calibration can
not be completed. Repair the detected it(s)
first.

8) Perform “Sensor Calibration”.
9) Perform “ESP ® Hydraulic Unit Operation Check”.
10) Turn ignition switch to OFF position once and then
ON position. In this state, make sure that indicator
light and warning light turns off.
11) Check DTC(s) are not stored in hydraulic unit / control module.
Front / Rear Wheel Speed Sensor On-Vehicle
Inspection
S7RS0B4606028
CAUTION!
Incorrect voltage and/or wrong connection
cause damage to wheel speed sensor.

Output Voltage Inspection
1) Disconnect negative (–) cable from battery.
2) Hoist vehicle a little.
3) Disconnect wheel speed sensor connector.
4) Disconnect wheel speed grommet from vehicle body.
5) Set up measuring devices as shown in figure, the resistance to 115 Ω and the power supply voltage
to12 V.
4
1
2 3
I6RS0B460030-02
[A]: Front wheel speed sensor 3. “WHT” wire terminal
[B]: Rear wheel speed sensor 4. “BLK” wire terminal
1. Wheel speed sensor connector 5. Power supply (12 V)
2. Resistance (115 Ω)
V
2
5
4 1
3
43
1
[A]
[B]
I6RS0B460031-02

Downloaded from www.Manualslib.com manuals search engine 4F-58 Electronic Stability Program:
6) Measure voltage at resistance without wheel rotation.
If voltage is out of specification, check sensor,
mating encoder and their installation conditions.
Voltage at the resistance (115
Ω) without wheel
rotation
680 to 960 mV
7) Measure voltage at resistance with wheel rotation and confirm voltage alternately changes between
high and low voltages.
If voltage does not change with wheel rotation, check
sensor, mating encoder and their installation
conditions.
Voltage at the resistance (115
Ω) with wheel
rotation
High voltage “a”: 1360 to 1930 mV
Low voltage “b”: 680 to 960 mV
Reference
When using oscilloscope for this check, check if peak-to-
peak voltage and waveform meet specification.
Peak-to-peak Voltage at the resistance (115
Ω) with
wheel rotation
High voltage “a”: 1360 to 1930 mV
Low voltage “b”: 680 to 960 mV
Front Wheel Speed Sensor Removal and
Installation
S7RS0B4606029
Removal
1) Disconnect negative (–) cable from battery.
2) Disconnect front wheel speed sensor coupler (1).
3) Hoist vehicle and remove wheel.
4) Remove harness clamp, clamp bolts (2) and grommet (3).
5) Remove front wheel speed sensor (4) from knuckle.
NOTE
• Do not pull wire harness when removing front wheel speed sensor.
• Do not cause damage to surface of front wheel speed sensor and do not allow dust,
etc. to enter its installation hole.

[A]: Voltage [B]: Time
I5JB0A450027-01
I5JB0A450028-02
3
2
4 1
I6RS0B460032-02

Downloaded from www.Manualslib.com manuals search engine Electronic Stability Program: 4F-59
Installation
CAUTION!
Do not pull or twist wire harness more than
necessary when installing front wheel speed
sensor.

1) Check that no foreign material is attached to sensor(1) and mating encoder (2).
2) Install it by reversing removal procedure.
Tightening torque
Front wheel speed sensor bolt (a): 11 N·m (1.1
kgf-m, 8.0 lb-ft)
Front wheel speed sensor harness clamp bolt
(b): 11 N·m (1.1 kgf-m, 8.0 lb-ft)
3) Check that there is no clearance between sensor and knuckle.
Front Wheel Speed Sensor InspectionS7RS0B4606030
Check sensor for damage.
If any malcondition is found, replace.
Rear Wheel Speed Sensor Removal and
Installation
S7RS0B4606031
CAUTION!
• Do not pull wire harness when removing rear wheel speed sensor.
• Do not cause damage to surface of rear wheel speed sensor and do not allow dust,
etc. to enter its installation hole.

Removal
1) Disconnect negative (–) cable from battery.
2) Remove quarter inner trim to brake referring to
“Floor Carpet Removal and Installation in Section
9H”.
3) Turn over floor carpet (2) and disconnect connector (1) of wheel speed sensor.
[A]: OK [B]: NG
(b)
1
[A][B]
11
2
(a)
I6RS0B460033-02
I5JB0A450031-01
2
2
1
I6RS0B460035-02

Downloaded from www.Manualslib.com manuals search engine 4F-64 Electronic Stability Program:
Removal1) Disconnect negative (–) cable at battery.
2) Remove front console box referring to “Console Box Components in Section 9H”.
3) Disconnect connector from yaw rate / G sensor
assembly.
4) Remove yaw rate / G sens or assembly from sensor
bracket.
Installation 1) Before installing yaw rate / G sensor assembly (1),
check installing condition as follows.
• Deformations around sensor installation area (2) (in sensor bracket).
• Foreign matters on mating surface between sensor and sensor bracket.
2) Install yaw rate / G sensor assembly (1) to floor panel.
Tightening torque
Yaw rate / G sensor assembly nut (a): 8 N·m (0.8
kgf-m, 6.0 lb-ft)
3) Connect connector to yaw rate / G sensor assembly.
4) Install console box referring to “Console Box Components in Section 9H”.
5) Connect negative (–) cable to battery.
6) After completing installation, calibrate yaw rate / G
sensor assembly referring to “Sensor Calibration”.Yaw Rate / G Sensor InspectionS7RS0B4606019
• Check sensor for dents, cracks or deformation.
• Check sensor connector (sensor side and harness
side) and sensor connector lock mechanism for
damage or crack.
• Check connector terminals for bend, corrosion or rust.
If it is found faulty, replace yaw rate / G sensor assembly.
Steering Angle Sensor On-Vehicle InspectionS7RS0B4606020
CAUTION!
Before each inspection, confirm steering
angle sensor calibration is completed.
If calibration is incompleted, calibrate sensor
referring to “Sensor Calibration”.

1) Connect SUZUKI scan tool to data link connector
(DLC) (1) with ignition switch OFF.
Special tool
(A): SUZUKI scan tool
(a)
1
(a)
2I6RS0B460041-02
I6JB01460031-01
(A)
1
I4RS0B450003-01