2008 SUZUKI SWIFT Wiring system

Downloaded from www.Manualslib.com manuals search engine Electronic Stability Program: 4F-45
DTC C1073: Lost Communication With Yaw Rate / G Sensor AssemblyS7RS0B4604038
Wiring Diagram
DTC Detecting Condition and Trouble Area
DTC Troubleshooting
[A]E85
161
15
2
3
4
5
6
7
8
9
10
11
12
13
14
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
3233
34
35
36
37
38
39
40
41
42
43
44
45
46
47
E85-29E85-25
E85-37
E85-31
E84-3
E84-5
E84-2E84-1 12V
GRN/BLK
BLU/RED
WHT/BLK
RED/BLK [B]
E843
521
46
1
2 3
2
I7RS0B460010-01
[A]: ESP ® control module connector (viewed from
terminal side) 1. Yaw rate / G sensor assembly 3. ESP
® hydraulic unit control module assembly
[B]: Yaw rate / G sensor assembly connector (viewed from harness side) 2. CAN driver (for yaw rate / G
sensor assembly)
DTC Detecting Condition Trouble Area
CAN line communication error in ESP ® control module
and yaw rate / G sensor assembly is detected. • CAN communication circuit (for yaw rate / G sensor
assembly)
• Yaw rate / G sensor assembly
• 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 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? Go to Step 4.
Check for intermittent
trouble 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 ESP ® control module and yaw
rate / G sensor assembly.
Is each CAN communicati on circuit between ESP
® control
module and yaw rate / G sensor assembly opened, shorted
or high resistance? Repair or replace the
CAN communication
line.
Go to Step 5.

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 Table of Contents 5- i
5
Section 5
CONTENTS
Transmission / Transaxle
Precautions ................................................. 5-1
Precautions............................................................. 5-1
Precautions on Transmission / Transaxle ............. 5-1
Automatic Transmission/Transaxle ....... 5A-1
Precautions........................................................... 5A-1Precautions in Diagnosing Trouble ..................... 5A-1
Precautions for Disassembly and Reassembly ...................................................... 5A-1
General Description ............................................. 5A-3 A/T Description ................................................... 5A-3
Clutch / Brake / Planetary Gear Function of Automatic Transaxle ......................................... 5A-6
Table of Component Operation ........................... 5A-7
Brake Interlock System Construction .................. 5A-8
A/T Diagnosis General Description ..................... 5A-8
On-Board Diagnostic System Description ........... 5A-8
CAN Communication System Description........... 5A-9
Schematic and Routing Diagram ...................... 5A-10 Transmission Control Module (TCM) Wiring
Diagram .......................................................... 5A-10
Automatic Gear Shift Table ............................... 5A-12
Component Locatio n ......................................... 5A-13
Electronic Shift Cont rol System Components
Location .......................................................... 5A-13
Diagnostic Information and Procedures .......... 5A-15 A/T System Check ............................................ 5A-15
Visual Inspection ............................................... 5A-18
Malfunction Indicator Lamp (MIL) Check .......... 5A-18
Transmission Warning Ligh t Check .................. 5A-18
DTC Table ......................................................... 5A-19
DTC Check ....................................................... 5A-20
DTC Clearance ................................................. 5A-20
Fail-Safe Table ................ .................................. 5A-21
Scan Tool Data ................................................. 5A-23
A/T Basic Check ............................................... 5A-26
Road Test ......................................................... 5A-27
Manual Road Test ........... .................................. 5A-29
Engine Brake Test ............................................ 5A-30
Stall Test ........................................................... 5A-30
Time Lag Test ................................................... 5A-31
Line Pressure Test .......... .................................. 5A-32
“P” Range Test.................................................. 5A-33
A/T Symptom Diagnosis ..... .............................. 5A-34 No Gear Shift to 4th gear .................................. 5A-41
No Lock-Up Occurs ........................................... 5A-42
Transmission Warning Light Circuit Check –
Light Does Not Come “ON” at Ignition Switch
ON ................................................................... 5A-43
Transmission Warning Light Circuit Check – Light Remains “ON” at Ignition Switch ON ...... 5A-43
DTC P0602: Control Module Programming Error ................................................................ 5A-44
DTC P0705: Transmission Range Sensor Circuit Malfunction (PRNDL input) .................. 5A-44
DTC P0707: Transmission Range Sensor Circuit Low ...................................................... 5A-46
DTC P0712: Transmission Fluid Temperature Sensor “A” Circuit Low ... ................................. 5A-48
DTC P0713: Transmission Fluid Temperature Sensor “A” Circuit High .. ................................. 5A-49
DTC P0717: Input / Turbine Speed Sensor “A” Circuit Malfunction........................................... 5A-51
DTC P0722: Output Speed Sensor Circuit No Signal .............................................................. 5A-52
DTC P0787: Shift / Timing Solenoid Low .......... 5A-54
DTC P0788: Shift / Timing Solenoid High ......... 5A-56
DTC P0961: Pressure Control Solenoid “A”
Control Circuit Range / Performance .............. 5A-58
DTC P0962: Pressure Control Solenoid “A”
Control Circuit Low .......................................... 5A-60
DTC P0963: Pressure Control Solenoid “A”
Control Circuit High ......................................... 5A-62
DTC P0973 / P0976: Shift Solenoid “A” Control Circuit Low / Shift Solenoid “B”
Control Circuit Low .......................................... 5A-64
DTC P0974 / P0977: Shift Solenoid “A” / Shift Solenoid “B” Control Circuit High .................... 5A-66
DTC P1702: Internal Co ntrol Module Memory
Check Sum Error............................................. 5A-68
DTC P1703: Can Invalid Data - TCM ................ 5A-68
DTC P1723: Range Select Switch Malfunction ...................................................... 5A-69
DTC P1774: CAN Communication Bus Off ....... 5A-71
DTC P1777: TCM Lost Communication with ECM (Reception Error).................................... 5A-73
DTC P1778: TCM Lost Communication with BCM (Reception Error).................................... 5A-74

Downloaded from www.Manualslib.com manuals search engine 5A-44 Automatic Transmission/Transaxle:
DTC P0602: Control Module Programming ErrorS7RS0B5104048
System Description
Internal control module is installed in ECM.
DTC Detecting Condition and Trouble Area
DTC Confirmation Procedure 1) Connect scan tool to DLC with ignition switch turned OFF.
2) Clear DTC, pending DTC and freeze frame data by using scan tool.
3) Start engine and run it at idle if possible.
4) Check DTC.
DTC Troubleshooting
DTC P0705: Transmission Range Sensor Circuit Malfunction (PRNDL input)S7RS0B5104023
Wiring DiagramDTC detecting condition Trouble area
Data programming error (1 driving cycle detection logic) TCM
Step Action YesNo
1 DTC check
1) Clear DTC referring to “DTC Clearance”.
2) Turn ignition switch to OFF position.
3) Turn ignition switch to ON position and check DTC.
Is DTC P0602 still indicated? Go to Step 2.
Intermittent trouble.
Check for intermittent
referring to “Intermittent
and Poor Connection
Inspection in Section
00”.
2 TCM reprogramming check
Was reprogramming of TCM executed? Execute reprogramming
of TCM correctly once
again.Go to Step 3.
3 TCM power ground circuit check
1) Check TCM power supply circuit and ground circuit
referring to “TCM Power and Ground Circuit Check”.
Are check results OK? Substitute a known-
good TCM and recheck.
Repair TCM power or
ground circuit.
1. TCM
3. Backup lamp
2. Transmission range sensor [A]: Terminal arrangem ent of TCM connector (viewed from harness side)
2P
R
N
D 2 L 3
1
PNK/BLK
RED
GRN
GRN/ORN
GRN/YEL
IG11
RED/BLK
LT GRN/BLK
C35-20
C35-1
C35-8
C35-7
C35-19
C35-18
C34
20 19
87
18
1
C35
[A]
I4RS0A510010-01

Downloaded from www.Manualslib.com manuals search engine Automatic Transmission/Transaxle: 5A-49
1) Connect scan tool to DLC with ignition switch OFF, if available.
2) Clear DTC in TCM memory and start engine.
3) Keep engine running at idle speed for 10 minutes or more.
4) Stop vehicle and check DTC.
DTC Troubleshooting
DTC P0713: Transmission Fluid Temperature Sensor “A” Circuit HighS7RS0B5104026
Wiring Diagram
DTC Detecting Condition and Trouble Area Step Action Yes No
1 Was “A/T System Check” performed? Go to Step 2. Go to “A/T System
Check”.
2 Check transmission fluid temperature circuit for ground
short
1) Check continuity between terminal “C34-11” of
disconnected harness side TCM connector and ground.
Is continuity indicated? “LT GRN” circuit shorted
to ground.
Go to Step 3.
3 Inspect transmission fluid temperature sensor
1) Inspect transmission fluid temperature sensor referring
to “Transmission Fluid Temperature Sensor Inspection”.
Is result satisfactory? Intermittent trouble or
faulty TCM. Check for
intermittent referring to
“Intermittent and Poor
Connection Inspection
in Section 00”. If OK,
substitute a known-
good TCM and recheck.Replace transmission
fluid temperature
sensor.
5V
C34-11
C34-12
LT G R N
ORN
2
3
12 11
C34C35
[A]
1
I4RS0A510011-01
1. TCM 3. A/T
2. Transmission fluid temperature sensor [A]: Terminal arrangement of TCM connector (viewed from harness side)
DTC detecting condition Trouble area
Transmission fluid temperature sensor terminal voltage is
more than specified value and sensor variation is less than
specified value even though engine was running in “R”, “D”,
“3”, “2” or “L” range for 15 minutes after starting engine. • Transmission fluid temperature sensor or its circuit
malfunction
•TCM

Downloaded from www.Manualslib.com manuals search engine Automatic Transmission/Transaxle: 5A-51
DTC P0717: Input / Turbine Speed Sensor “A” Circuit MalfunctionS7RS0B5104027
Wiring Diagram
DTC Detecting Condition and Trouble Area
DTC Confirmation Procedure
WARNING!
• When performing a road test, select a place where there is no traffic or possibility of a traffic accident and be very careful during testing to avoid occurrence of an accident.
• Road test should be carried out with 2 persons, a driver and a tester, on a level road.

1) Connect scan tool to DLC with ig nition switch OFF, if available.
2) Clear DTC in TCM memory and start engine.
3) Shift select lever to “D” range and drive vehicle at 50 km /h (31 mile/h) or more with 3rd gear at least for 5 minutes.
4) Stop vehicle and check DTC.
DTC Troubleshooting
1. TCM 2. Input shaft speed sensor [A]: Terminal arrangement of TCM connector (viewed from harness side)
DTC detecting condition Trouble area
No input shaft speed sensor signal is detected although
output shaft speed sens or signals are detected. • Input shaft speed sensor or its circuit malfunction
• Improper input shaft speed sensor installation
• Damaged direct clutch drum
• Foreign material attachment to sensor or drum
•TCM
C35-6
2.5VWHT
BLKC35-16
1
2
C34
16
6
C35
[A]
I4RS0A510012-01
Step
Action YesNo
1 Was “A/T System Check” performed? Go to Step 2.Go to “A/T System
Check”.
2 Check input shaft speed sensor circuit
1) Disconnect TCM connectors with ignition switch OFF.
2) Check for proper connection to input shaft speed sensor
at “C35-6” and “C35-16” terminals.
3) If OK, check resistance of sensor circuit.
Input shaft speed sensor specification
Between terminals “C35-6” and “C35-16”: 560 – 680
Ω at 20 °C (68 °F)
Between terminal “C35-6” / “C35-16” and ground: No
continuity
Are check result satisfactory? Go to Step 4. Go to Step 3.

Downloaded from www.Manualslib.com manuals search engine 5A-56 Automatic Transmission/Transaxle:
DTC P0788: Shift / Timing Solenoid HighS7RS0B5104030
Wiring Diagram
DTC Detecting Condition and Trouble Area
DTC Confirmation Procedure
1) Connect scan tool to DLC with ig nition switch OFF, if available.
2) Clear DTC in TCM memory.
3) Start engine and shift select lever to “N” range.
4) Repeat shifting select lever from “N” range to “D” range and vice versa for 3 times.
5) Check DTC.
DTC Troubleshooting
1. TCM 3. A/T
2. Timing solenoid valve [A]: Terminal arrangement of TCM connector (viewed from harness side)
DTC detecting condition Trouble area
Voltage of timing solenoid valve TCM terminal is high
although TCM is commanding timing solenoid valve to turn
OFF. • Timing solenoid valve circuit open or shorted to
power circuit
• Timing solenoid valve malfunction
•TCM
12V
C34-14BLU/BLK
31
2
14
C34C35
[A]
I4RS0A510014-01
Step Action YesNo
1 Was “A/T System Check” performed? Go to Step 2.Go to “A/T System
Check”.
2 Check timing solenoid valve circuit for IG short
1) Disconnect TCM connectors.
2) Turn ignition switch ON and measure voltage between
terminal “C34-14” of harness side TCM connector and
ground.
Is it 0 – 1 V? Go to Step 3.
“BLU/BLK” circuit
shorted to power circuit.
3 Check timing solenoid valve circuit for open
1) Measure resistance between terminal “C34-14” of
disconnected harness side TCM connector and ground.
Is it 11 – 15
Ω at 20 °C (68 °F)? Intermittent trouble or
faulty TCM.
Check for intermittent
referring to “Intermittent
and Poor Connection
Inspection in Section
00”.
If OK, substitute a
known-good TCM and
recheck.Go to Step 4.