2006 SUZUKI SWIFT ECM INPUT

Downloaded from www.Manualslib.com manuals search engine 4F-10 Electronic Stability Program:
Terminal Arrangement of ESP® Control Module Connector (Viewed from Terminal Side)
7. Combination meter 20. Brake fluid level switch 33. Pump motor driver (transistor)
8. SLIP indicator lamp 21. Parking brake switch 34. Pump motor
9. ESP ® OFF lamp 22. Yaw rate / G sensor assembly 35. Solenoid valve power supply driver
(transistor)
10. ESP ® warning lamp 23. Left-front wheel speed sensor 36. Solenoid valve
11. ABS warning lamp 24. Right-front wheel speed sensor37. Solenoid valve driver (transistor)
12. EBD warning lamp (brake warning lamp) 25. Left-rear wheel speed sensor 38. Master cylinder pressure sensor
13. Lamp driver module 26. Right-rear wheel speed sensor 39. To ECM and P/S control module
Terminal CircuitTerminal Circuit
E85-1 Solenoid valve power supply driver
(transistor) E85-25CAN communication line (low) for yaw
rate / G sensor assembly
E85-2 Right-front wheel speed sensor (–) E85-26—
E85-3 Right-front wheel speed sensor (+) E85-27—
E85-4 —E85-28 —
E85-5 Left-rear wheel speed sensor (+) E85-29CAN communication line (high) for yaw
rate / G sensor assembly
E85-6 Left-rear wheel speed sensor (–) E85-30—
E85-7 ESP® OFF switch input E85-31 Ground for yaw rate / G sensor assembly
E85-8 —E85-32 Pump motor driver (transistor)
E85-9 —E85-33 Data link connector
E85-10 —E85-34 —
E85-11 Right-rear wheel speed sensor (–) E85-35 Ignition switch
E85-12 Right-rear wheel speed sensor (+) E85-36—
E85-13 CAN communication line (high) E85-37Power source for ya
w rate / G sensor
assembly
E85-14 Left-front wheel speed sensor (+) E85-38—
E85-15 Left-front wheel speed sensor (–) E85-39—
E85-16 Ground E85-40—
E85-17 —E85-41 —
E85-18 —E85-42 CAN communication line (high) for ECM
E85-19 —E85-43 —
E85-20 — CAN communication line (low)
E85-21 —E85-45 —
E85-22 —E85-46 CAN communication line (low) for ECM
E85-23 —E85-47 Ground
E85-24 —
E85
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I6RS0B460007-01

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-10 Automatic Transmission/Transaxle:
Schematic and Routing Diagram
Transmission Control Module (TCM) Wiring DiagramS7RS0B5102001
IG1
115
5
5
8
9
10 7
P
R
N
D
2
L
12
12V 2.5V
5V
12V
5V
12V
12V
12V
12V
WHT
BLK
BLK
BLK
BLK
PPLBLK/RED
BLK/ORN
IG11
RED/BLK
YEL/BLKYEL/BLU
LT GRN/BLK
+BB
WHT/RED
14
20
15
16
17
19
12V18
1
2
3
4
6
13 21
26
24
27
28 29
30
WHT
WHT
RED
RED
WHT
RED
65
16 15 14 13 12 11 43
24 23 2122 10 9 8 721
1920 18 17
C34
17 16
26 25
15 14
65 3
42
13 12
23 2224 11 10 9
21 20 19 87
18
1
C35
[A]
22
25
YELYEL/GRN
WHT
P
N
BRN
LT GRN
ORN
BLK/YEL
BLU/BLK
GRY
LT GRN/BLK WHT/BLU
WHT/BLK
C34-11
C34-12
C34-16
C34-15
C34-14
C34-4
C34-2
C34-1
C34-23 C34-6
C34-24 C34-5
C34-3
RED
GRN
GRN/ORN PNK/BLK
GRN/YEL
LT GRN/BLKC35-6
C35-16
C35-23 C35-25
C35-20
C35-1
C35-8
C35-7
C35-19
C35-18 C34-17 C34-7
4IG11
12V
23
PPL/WHT
LT GRN
I6RS0C510005-01
1. TCM 12. Backup lamp 23. Starter motor relay
2. Input shaft speed sensor 13. Data link connector DLC 24. Ignition switch
3. Output shaft speed sensor 14. Transmission fluid temperature sensor 25. Starter motor
4. ECM 15. Shift solenoid valve-A (No.1) 26. “DOME” fuse
5. CAN driver 16. Shift solenoid valve-B (No.2) 27. “AT ETM” fuse
6. BCM 17. Timing solenoid valve 28. “IG SIG” fuse
7. Meter driver 18. TCC lock-up pressure control solenoid valve 29. “ST SIG” fuse
8. “3” position switch 19. Pressure control solenoid valve 30. “ST MOT” fuse
9. Shift lock solenoid 20. A/T [A]: Terminal arrangement of TCM connector
(viewed from harness side)
10. Brake light switch 21. A/T relay
11. Transmission range sensor 22. Inhibitor switch (including transmission range sensor)

Downloaded from www.Manualslib.com manuals search engine 5A-14 Automatic Transmission/Transaxle:
6. Output shaft speed sensor 13. Shift solenoid valve-A (No.1) 20. Transmission warning light
7. Input shaft speed sensor 14. Transmission range sensor
INPUT OUTPUT
TCMECM
Gear shift control
4th gear inhibit control
Slope shift control
Slip control
Lock up control
Torque control
Line pressure control
Overrun control
Reverse control
Squat control
Input shaft speed sensor
Output shaft speed sensor
"3" position switch ATF temp. sensor
Shift switch
- Range "P" signal
- Range "R" signal
- Range "N" signal
- Range "D" signal
- Range "2" signal
- Range "L" signal
Fail safe function
Self diagnosis
Warning function
ECM
Shift solenoid valve-A
Shift solenoid valve-B
TCC pressure control
solenoid valve
Pressure control
solenoid valve
Signal on CAN
communincation line
COMB. METER
-Engine torque
-Engine speed
-Throttle position
-A/C compressor clutch
-Coolant temperature
-Brake pedal switch -ATF temp.
-Torque request
-Vehicle speed pulse
-Transmission actual gear
position
-A/T select lever position
-Accelerator pedal position
-Transmission warning light
-A/T select lever position
I7RS0B510005-01

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 Automatic Transmission/Transaxle: 5A-21
Fail-Safe TableS7RS0B5104008
This function is provided by the safe mechanism that assures safe driveability even when the solenoid valve, sensor or
its circuit fails. The following table shows th e fail-safe function for each fail condition of sensor, solenoid or its circuit.
DTC No. Trouble area Fail-safe operation
) P0705 Transmission range sensor circuit
malfunction (PRNDL input) • Selected range is set in priority order shown below.
D> 2> L> R> N> P
• Slip controlled lock-up function is inhibited to operate.
• Learning control is inhibited.
) P0707 Transmission range sensor circuit low • Selected range is assumed to be “D” range.
• Slip controlled lock-up function is inhibited to operate.
• Learning control is inhibited.
) P0712 Transmission fluid temperature sensor “A”
circuit low • A/T fluid temperature is assumed to be 200
°C (392 °F).
• Upshifting to 4th gear is inhibited.
• Lock-up function is inhibited to operate.
• Garage shift control is inhibited.
• Learning control is inhibited.
)
P0713 Transmission fluid temperature sensor “A”
circuit high
) P0717 Input / Turbine speed sensor “A” circuit no
signal • 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.
) P0722 Output speed sensor circuit no signal • Vehicle speed which is calculated by input shaft speed
sensor signal is used for gear shifting control instead of
vehicle speed calculated by output shaft speed sensor
signal.
• 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.
) P0787 Shift / Timing solenoid Low
• Power supply for all solenoid valves is cut.
• Gear position is fixed in 3rd gear.
• Line pressure control at gear shifting is inhibited.
• Look-up function is inhibited to operate.
• Garage shift control is inhibited.
• Torque reducing request to ECM (torque reduction control)
is inhibited.
)
P0788 Shift / Timing solenoid High
) P0962 Pressure control solenoid “A” control
circuit low
) P0963 Pressure control solenoid “A” control
circuit high
) P0973 Shift solenoid “A” control circuit low
) P0974 Shift solenoid “A” control circuit high
) P0976 Shift solenoid “B” control circuit low
) P0977 Shift solenoid “B” control circuit high
) P0961 Pressure control solenoid “A” control
circuit range / performance • Gear position is fixed in 3rd gear.
• Lock-up function is inhibited to operate.
• Slip controlled 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.
• Leaning control is inhibited.

Downloaded from www.Manualslib.com manuals search engine Automatic Transmission/Transaxle: 5A-25
Scan Tool Data Definitions:
GEAR POSITION
Current gear position computed by throttle position
coming from ECM and vehicle speed.
ENGINE SPEED (RPM)
Engine speed computed by reference pulses from
crankshaft position sensor.
INPUT SHAFT REVOLUTION (RPM)
Input shaft revolution computed by reference pulses
coming from input shaft speed sensor on transaxle case.
OUTPUT SHAFT REVOLUTION (RPM)
Output shaft revolution computed by reference pulses
coming from output shaft speed sensor on transaxle
case.
BATTERY VOLTAGE (V)
Battery voltage read by TCM as analog input signal by
TCM.
ATF TEMPERATURE (°C, °F)
ATF temperature decided by signal from transmission
fluid temperature sensor installed on valve body.
SHIFT SOLENOID-A COMMAND
ON: ON command being outputted to shift solenoid
valve-A (No.1)
OFF: ON command not being outputted to shift solenoid
valve-A (No.1)
SHIFT SOLENOID-A MONITOR
ON: Electricity being passed to shift solenoid valve-A
(No.1)
OFF: Electricity not being passed to shift solenoid valve-
A (No.1)
SHIFT SOLENOID-B COMMAND
ON: ON command being outputted to shift solenoid
valve-B (No.2) OFF: ON command not being outputted to shift solenoid
valve-B (No.2)
SHIFT SOLENOID-B MONITOR
ON: Electricity being passed to shift solenoid valve-B
(No.2)
OFF: Electricity not being passed to shift solenoid valve-
B (No.2)
TIMING SOLENOID COMMAND
ON: ON command being outputted to timing solenoid
valve
OFF: ON command not being outputted to timing
solenoid valve
TIMING SOLENOID MONITOR
ON: Electricity being passed to timing solenoid valve
OFF: Electricity not being passed to timing solenoid
valve
TCC SOLENOID
Electric current value ratio between electric current value
being outputted from TCM to solenoid and maximum
value can be outputted by TCM.
PRESSURE CONTROL SOLENOID
Electric current value ratio between electric current value
being outputted from TCM to solenoid and maximum
value can be outputted by TCM.
VEHICLE SPEED (KPH/MPH)
Vehicle speed computed by reference pulse signals
coming from vehicle speed sensor on transaxle case.
O/D OFF SWITCH (“3” position switch)
Inputted signal from “3” position switch in select lever
assembly.
ON: Shift select lever to “3” or “2” range
OFF: Shift select lever to other above range
)
TORQUE
REDUCTION SIGNAL While on gear upshifting with 25% or more throttle
opening
ON
Under condition of not shifting gear OFF
) ENGINE COOLANT
TEMPERATURE Ignition switch ON Engine coolant temperature is
displayed
) AIR CONDITIONER
SIGNAL Ignition switch ON and air conditioner switch OFF OFF
) ENGINE TORQUE
SIGNAL Ignition switch ON and engine stop 0 N
⋅m
) SLIP RPM Engine running at idle speed
and select lever is in “P”
range 0 RPM
Engine running, vehicle stop and select lever is in “D”
range Engine speed is displayed
) MIL REQUEST Ignition switch ON OFF
) FUEL CUT FLAG Ignition switch ON OFFScan tool data Vehicle condition
Normal condition / reference
values

Downloaded from www.Manualslib.com manuals search engine 5A-26 Automatic Transmission/Transaxle:
TRANSAXLE RANGE
Transaxle range detected by signal fed from
transmission range sensor.
D RANGE SIGNAL
ON: Signal which TCM require ECM to increase idle
speed
OFF: Signal which TCM does not require ECM to
increase idle speed
THROTTLE POSITION (%)
Throttle opening ratio computed by CAN signal from
ECM.
BRAKE SWITCH
Inputted signal from brake light switch on pedal bracket.
ON: Brake pedal depressed
OFF: Brake pedal released
TORQUE REDUCTION SIGNAL
ON: Signal which TCM require ECM to reduce output
torque at shifting gear
OFF: Signal which TCM does not require ECM to reduce
output torque
ENGINE COOLANT TEMPERATURE ( °C, °F)
Engine coolant temperature computed by CAN signal
from ECM. AIR CONDITIONER SIGNAL
ON: Signal which inform that air conditioner compressor
is turned ON.
OFF: Signal which inform that air conditioner
compressor is not turned ON.
ENGINE TORQUE SIGNAL (N
⋅m)
Engine torque computed by duty pulse signal outputted
from ECM.
SLIP RPM (RPM)
This parameter indicates slip ping rotation in the torque
converter (difference between input shaft rotation and
engine rotation)
MIL REQUEST
ON: Signal which TCM requires combination meter to
turn on malfunction indicator lamp.
OFF: Signal which TCM does not require combination
meter to turn on malf unction indicator lamp.
FUEL CUT FLAG
ON: Signal which inform that fuel cut is operating.
OFF: Signal which inform that fuel cut is not operating.
A/T Basic CheckS7RS0B5104010
This check is important for troubleshooting when TCM has detected no DTC and no abnormality has been noted in
“Visual Inspection”. Fo llow the flow carefully.
Step Action YesNo
1 Was “A/T System Check” preformed? Go to Step 2.Go to “A/T System
Check”.
2 Perform “Road Test”.
Is it OK? Go to Step 3.
Proceed to
“Troubleshooting” in
“Road Test”.
3 Perform “Manual Road Test”.
Is it OK? Go to Step 4.
Proceed to
“Troubleshooting” in
“Manual Road Test”.
4 Perform “Engine Brake Test”.
Is it OK? Go to Step 5.
Proceed to
“Troubleshooting” in
“Engine Brake Test”.
5 Perform “Stall Test”.
Is it OK? Go to Step 6.
Proceed to
“Troubleshooting” in
“Stall Test”.
6 Perform “Time Lag Test”.
Is it OK? Go to Step 7.
Proceed to
“Troubleshooting” in
“Time Lag Test”.
7 Perform “Line Pressure Test”.
Is it OK? Go to Step 8.
Proceed to
“Troubleshooting” in
“Line Pressure Test”.
8 Proceed to “Trouble Diag nosis 1” in “A/T Symptom
Diagnosis”.
Is trouble identified? Repair or replace faulty
parts.
Go to Step 9.