2007 SUZUKI SWIFT CAN bus

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 Automatic Transmission/Transaxle: 5A-19
DTC TableS7RS0B5104005
NOTE
• A: Driving cycles when transmission warning light lighting and storing DTC in TCM memory.
• *1: Transmission warning light does not light up but TCM detects and stores DTC.
• For details of driving cycle, refer to “On-Board Diagnostic System Description”.

DTC No.Detecting item Detecting condition
(DTC will set when detecting) A
) P0602 Control module programming error D ata programming error. *1, 1 driving cycle
) P0705 Transmission range sensor circuit
malfunction (PRNDL input) Multiple signals are inputted
simultaneously. 1 driving cycle
) P0707 Transmission range sensor circuit
low No sensor signal is inputted.
2 driving cycles
) P0712 Transmission fluid temperature
sensor “A” circuit low Sensor output voltage is too low.
1 driving cycle
) P0713 Transmission fluid temperature
sensor “A” circuit high Sensor output voltage is too high.
1 driving cycle
) P0717 Input / Turbine speed sensor circuit
no signal No sensor signal is detected although output
speed sensor signal is inputted.
1 driving cycle
) P0722 Output speed sensor circuit no signal No sensor signal is inputted although input
speed sensor signal is inputted. 1 driving cycle
) P0787 Shift / Timing solenoid low Voltage of timing solenoid terminal is low
although TCM is commanding timing solenoid
to turn ON. 1 driving cycle
) P0788 Shift / Timing solenoid high Voltage of timing solenoid terminal is high
although TCM is commanding timing solenoid
to turn OFF. 1 driving cycle
) P0961 Pressure control solenoid “A” control
circuit range / performance Difference between target current of control
solenoid valve circuit and monitor current of
control solenoid valve circuit is more than
specification.
1 driving cycle
) P0962 Pressure control solenoid “A” control
circuit low No electric flow is detected on pressure control
solenoid circuit.
1 driving cycle
) P0963 Pressure control solenoid “A” control
circuit high Too much electric flow is detected on pressure
control solenoid circuit.
1 driving cycle
) P0973 Shift solenoid “A” control circuit low Voltage of shift solenoid terminal is low
although TCM is commanding shift solenoid to
turn ON. 1 driving cycle
) P0974 Shift solenoid “A” control circuit high Voltage of shift solenoid terminal is high
although TCM is commanding shift solenoid to
turn OFF. 1 driving cycle
) P0976 Shift solenoid “B” control circuit low Voltage of shift solenoid terminal is low
although TCM is commanding shift solenoid to
turn ON. 1 driving cycle
) P0977 Shift solenoid “B” control circuit high Voltage of shift solenoid terminal is high
although TCM is commanding shift solenoid to
turn OFF. 1 driving cycle
) P1702 Internal control module memory
check sum error Calculation of current data stored in TCM is not
correct comparing with pre-stored checking
data in TCM.
1 driving cycle
) P1703 CAN invalid data - TCM TCM receives malfunction signal of throttle
position

, engine coolan t temperature, engine
revolution and engine torque from ECM. *1, 1 driving cycle
) P1723 Range select switch malfunction “3” position switch ON signal is inputted
although transmission range switch signal is
inputted P, R, N or L. range. *1, 1 driving cycle
) P1774 Control module communication bus
off Transmitting and receiving error detected to
TCM for specified time continuously.
1 driving cycle

Downloaded from www.Manualslib.com manuals search engine 5A-22 Automatic Transmission/Transaxle:
) P1702 Internal control module memory check
sum error • Power supply for all solenoid valves is cut.
• Gear position is fixed in 3rd gear.
• Line pressure control at gear shifting is inhibited.
• Lock-up function is inhibited to operate.
) P1703 CAN invalid data - TCM In case of throttle position signal malfunction:
• Throttle opening used for line pressure control is assumed
to be 100%.
• Throttle opening used for gear shifting control is assumed to be 0%.
• Upshifting to 4th gear is inhibited.
• Lock-up function is inhibited to operate. Line pressure control at gear shifting is inhibited.
• Garage shift control is inhibited.
• Learning control is inhibited.
In case of engine coolant temperature signal malfunction:
• Slip controlled lock-up function is inhibited to operate.
• After 15 minutes pass from detecting malfunction, engine coolant temperature is assumed to be normal operating
temperature, and controls of overdrive and lock-up is
released from inhibition.
In case of engine revolution signal malfunction:
• Upshifting to 4th gear is inhibited.
• Lock-up function is inhibited to operate.
• Line pressure control at gear shifting is inhibited.
• Torque reducing request to ECM (torque reduction control) is inhibited.
• Garage shift control is inhibited.
• Learning control is inhibited.
In case of engine torque signal malfunction:
• Line pressure control at gear shifting is inhibited.
• Torque reducing request to ECM (torque reduction control) is inhibited.
• Upshifting to 4th gear is inhibited.
• Learning control is inhibited.
) P1723 Range select switch malfunction “3” position switch is assumed to be OFF.
) P1774 Control module communication bus off • Throttle opening used for line pressure control is assumed
to be 100%.
• Throttle opening used for gear shifting control is assumed to be 0%.
• Engine revolution is assumed to be 0 RPM.
• After 15 minutes pass from detecting malfunction, engine coolant temperature is assumed to be 90 °C (194 °F).
• Lock-up function is inhibited to operate.
• Line pressure control at gear shifting is inhibited.
• Torque reducing request to ECM (torque reduction control) is inhibited.
• Upshifting to 4th gear is inhibited.
• Garage shift control is inhibited.
• Learning control is inhibited.
DTC No. Trouble area Fail-safe operation

Downloaded from www.Manualslib.com manuals search engine Automatic Transmission/Transaxle: 5A-71
DTC P1774: CAN Communication Bus OffS7RS0B5104038
Wiring Diagram
DTC Detecting Condition and Trouble Area
DTC Confirmation Procedure1) Connect scan tool to DLC with ignition switch turned OFF.
2) Clear DTC.
3) Start engine and run it for 1 min. or more.
4) Check DTC.
REDWHTE03-6E03-12
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[B]
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REDWHTE46-1E46-2REDWHTREDWHTG28-8G28-10
RED/BLKWHT/BLKG37-3G37-1
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15
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I6RS0C510008-01
1. ABS control module [A]: Terminal arrangement of ABS control module connector (viewed from terminal side)
2. ECM [B]: Terminal arrangement of BCM connector (viewed from harness side)
3. TCM [C]: Terminal arrangement of ECM connector (viewed from harness side)
4. BCM [D]: Terminal arrangement of combination meter connector (viewed from harness side)
5. Combination meter [E]: Terminal arrangement of TCM connector (viewed from harness side)
6. Keyless start control module [F]: Terminal arrangement of Keyless start control module connector (viewed from harness side)
7. DLC
DTC detecting condition Trouble area
Transmission error that is incons istent between transmission data and
transmission monitor (CAN bus monitor) data is detected more than 7
times continuously. •ECM
•BCM
•TCM
• ABS control module
• Combination meter
• Keyless start control module
• CAN circuit

Downloaded from www.Manualslib.com manuals search engine Automatic Transmission/Transaxle: 5A-73
DTC P1777: TCM Lost Communication with ECM (Reception Error)S7RS0B5104040
Wiring Diagram
Refer to “DTC P1774: CAN Communication Bus Off”
DTC Detecting Condition and Trouble Area
DTC Confirmation Procedure1) Connect scan tool to DLC with ignition switch OFF.
2) Clear DTC.
3) Start engine and run it for 1 min. or more.
4) Check DTC.
DTC Troubleshooting
NOTE
Upon completion of inspection and repair work, perform “DTC Confirmation Procedure:” and confirm
that the trouble has been corrected.

DTC detecting condition Trouble area
Reception error of communication data fo r ECM is detected more than specified
time continuously. •ECM
•TCM
• CAN circuit
Step
Action YesNo
1 Was “A/T System Check” performed? Go to Step 2.Go to “A/T System
Check”.
2 Control module connector check
1) Check connection of connectors of all control modules
communicating by means of CAN.
2) Recheck DTC.
Is there DTC P1777? Go to Step 3.
Intermittent trouble.
Check for intermittent
referring to “Intermittent
and Poor Connection
Inspection in Section
00”.
3 DTC check
1) Check ECM for DTC referring to “DTC Check in Section
1A”.
Is there DTC P1674? Go to “DTC P1674:
CAN Communication
(Bus Off Error) in
Section 1A”.
Check ECM power and
ground circuit. If circuit
is OK, CAN
communication circuit
between ECM and ABS
hydraulic unit / control
module is open circuit.
4 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? Check TCM power and
ground circuit. If circuit
is OK, substitute a
known-good TCM and
recheck.
Repair circuit.

Downloaded from www.Manualslib.com manuals search engine 5A-74 Automatic Transmission/Transaxle:
DTC P1778: TCM Lost Communication with BCM (Reception Error)S7RS0B5104041
Wiring Diagram
Refer to “DTC P1774: CAN Communication Bus Off”.
DTC Detecting Condition and Trouble Area
DTC Confirmation Procedure
1) Connect scan tool to DLC with ignition switch OFF.
2) Clear DTC.
3) Start engine and run it for 1 min. or more.
4) Check DTC.
DTC Troubleshooting
NOTE
Upon completion of inspection and repair work, perform “DTC Confirmation Procedure:” “DTC
Confirmation Procedure” and confirm that the trouble has been corrected.

DTC detecting condition Trouble area
Reception error of communication data fo r BCM is detected more than specified
time continuously. •ECM
•TCM
•BCM
• ABS control module
• CAN circuit
Step
Action YesNo
1 Was “A/T System Check” performed? Go to Step 2.Go to “A/T System
Check”.
2 Control module connector check
1) Check connection of connectors of all control modules
communicating by means by means of CAN.
2) Recheck DTC.
Is there DTC P1778? Go to Step 3.
Intermittent trouble.
Check for intermittent
referring to “Intermittent
and Poor Connection
Inspection in Section
00”.
3 DTC check in BCM (bus off)
1) Check BCM for DTC referring to “DTC Check in Section
10B”.
Is there DTC U1073? Go to “DTC U1073 (No.
1073): Control Module
Communication Bus Off
in Section 10B”.
Go to Step 4.
4 DTC check in ABS control module
1) Check ABS control module for DTC referring to “DTC
Check in Section 4E”.
Is there DTC U1100? Go to “DTC U1100: Lost
Communication with
ECM (Reception Error)
in Section 4E”.
Go to Step 5.
5 DTC check in ECM
1) Check ECM for DTC referring to “DTC Check in Section
1A”.
Is there DTC P1678? Check BCM power and
ground circuit. If circuit
is OK, substitute a
known-good BCM and
recheck.Go to Step 6.
6 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? Check TCM power and
ground circuit. If circuit
is OK, substitute a
known-good TCM and
recheck.
Repair circuit.

Downloaded from www.Manualslib.com manuals search engine Power Assisted Steering System: 6C-43
Installation1) Mount steering gear case (1) to front suspension frame (2) and tighten gear case mounting No.1 bolts
(3), No.2 bolts (4) and No .3 bolts (5) to specified
torque.
Tightening torque
Steering gear case mounting No.1 bolt (a): 55
N·m (5.5 kgf-m, 40.0 lb-ft)
Steering gear case mounting No.2 bolt (b): 55
N·m (5.5 kgf-m, 40.0 lb-ft)
Steering gear case mounting No.3 bolt (c): 40
N·m (4.0 kgf-m, 29.0 lb-ft)
2) Install earth cable (6) as shown in figure. Tightening torque
Earth cable bolt (d): 4.5 N·m (0.45 kgf-m, 3.5 lb-
ft)
3) Install grommet (1) whose projection (2) orients vehicle forward.
4) Install front suspension frame with steering gear case assembly referring to “Front Suspension
Frame, Stabilizer Bar and/or Bushings Removal and
Installation in Section 2B”.Steering Rack Boot InspectionS7RS0B6306007
Hoist vehicle.
Inspect each boot for tear. A torn boot allows entry of
dust and water which can cause wear to steering rack
and pinion to produce noise as well as rust to result in
malfunction of steering system.
Even if boot tear is small, replace with new one.
Also, check each boot for dent. If there is a dent, keep
boot in most compressed st ate for some seconds to
correct dent.
Boots should be visually inspected for any damage, dent
and tear during every periodical inspection at specified
intervals and whenever vehicle is hoisted for any other
purpose.
Tie-Rod / Rack Boot Removal and InstallationS7RS0B6306008
Removal
1) Remove steering gear case assembly referring to
“Steering Gear Case Assembly Removal and
Installation”.
2) For ease of adjustment after installation, make marking (1) of tie-rod end lock nut position of tie-rod
thread.
3) Loosen tie-rod end lock nut and remove tie-rod end.
4) Remove boot band (2) and clip (1).
5) Remove boot from tie-rod.
F: Vehicle forward
1 2
3, (a) 4, (b)
6, (d)
5, (c)
I6RS0C630019-02
12
F
I6RS0C630020-01
I2RH01630012-01
I4RS0A630044-01
IYSQ01630034-01

Downloaded from www.Manualslib.com manuals search engine Table of Contents 10- i
10
Section 10
CONTENTS
Control Systems
Precautions ............................................... 10-1
Precautions........................................................... 10-1
Precautions for Control Systems......................... 10-1
Body Electrical Contro l System ........... 10B-1
Precautions......................................................... 10B-1
Precautions in Diagnosing Trouble ................... 10B-1
General Description ........................................... 10B-1 BCM General Description ................................. 10B-1
CAN Communication System Description......... 10B-2
Theft Deterrent Light ......................................... 10B-3
Security Alarm Description (If Equipped) .......... 10B-3
Schematic and Routing Diagram ...................... 10B-4 Body Electrical Control System Wiring Circuit Diagram .......................................................... 10B-4
Connector Layout Diagram of BCM and Junction Block Assembly ................................ 10B-7
Component Locatio n ......................................... 10B-8
BCM and Related System Component Location .......................................................... 10B-8
Diagnostic Information an d Procedures .......... 10B-9
BCM Self-Diagnosis Function ........................... 10B-9
Body Electrical Control System Check............ 10B-10
Scan Tool Data ............................................... 10B-12
DTC Table ....................................................... 10B-14
DTC Check ..................................................... 10B-14
DTC Clearance ............................................... 10B-15
BCM Power Circuit and Ground Circuit Check 10B-16
DTC B1133 (DTC No. 1133): Battery Voltage Too High ....................................................... 10B-17
DTC B1141 / DTC B1142 (No. 1141 / No. 1142): Outside Air Temperature (Ambient
Temp.) Sensor Circuit Ma lfunction ................ 10B-18
DTC B1150 (No. 1150): Air Bag Communication Circuit Malfunction .............. 10B-19
DTC B1157 (No. 1157): Air Bag Deployment Signal Input ................................................... 10B-20
DTC B1170 (No. 1170 ): EEPROM Access
Error .............................................................. 10B-21
DTC U0155 (No. 0155): Lost Communication with Instrument Panel Cluster (IPC) Control
Module .......................................................... 10B-21
DTC U1073 (No. 1073): Control Module Communication Bus Off ................................ 10B-24 DTC U1100 (No. 1100): Lost Communication
with ECM ....................................................... 10B-25
DTC U1101 (No. 1101): Lost Communication with TCM ....................................................... 10B-27
DTC U1144 (No. 1144): Lost Communication with Keyless Start Control Module ................ 10B-29
Inspection of BCM and its Circuits .................. 10B-31
Repair Instructions ........... ...............................10B-39
BCM (Included in Junction Block Assembly) Removal and Installation ............................... 10B-39
Outside Air Temperature Sensor Removal and Installation .............................................. 10B-39
Outside Air Temperature Sensor Inspection ... 10B-39
Security Alarm Mode Selection Procedure (If Equipped) ...................................................... 10B-39
Special Tools and Equipmen t .........................10B-40
Special Tool .................................................... 10B-40
Immobilizer Control Syst em ................. 10C-1
Precautions.........................................................10C-1
Precautions in Diagnosing Troubles .................10C-1
Precaution in Replacing ECM ...........................10C-1
Precautions in Handli ng Immobilizer Control
System ............................................................10C-1
General Description ...........................................10C-2 Immobilizer Control System Introduction ..........10C-2
Immobilizer Control System Components Location...........................................................10C-3
On-Board Diagnostic System Description (Self-diagnosis Function) ................................10C-3
Schematic and Routing Diag ram ......................10C-4
Immobilizer Control System Wiring Circuit Diagram...........................................................10C-4
Diagnostic Information an d Procedures ..........10C-5
Immobilizer Control System Check ...................10C-5
Diagnostic Trouble Code (DTC) Check.............10C-5
Diagnostic Trouble Code (DTC) Clearance ......10C-6
Diagnostic Trouble Code (DTC) Table ..............10C-6
Scan Tool Data .................................................10C-7
Immobilizer Indicator Lamp Does Not Come ON with Ignition Switch ON and Engine Stop ..10C-7
Immobilizer Indicator Lamp Remains ON after Engine Starts...................................................10C-8
DTC P1614: Transponder Re sponse Error .......10C-9