wiring SUZUKI SX4 2006 1.G Service Workshop Manual

Downloaded from www.Manualslib.com manuals search engine 5A-72 Automatic Transmission/Transaxle:
DTC P2763: Torque Converter Clutch (TCC) Pressure Control Solenoid Control Circuit HighS6RW0D5104042
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 ignition switch OFF, if available.
2) Clear DTC in TCM memory.
3) Start engine.
4) Keep engine running at idle speed in “P” range for 10 seconds or more.
5) Check DTC.
12V
C06-5
C06-3
WHT/BLU
WHT/BLK
3
1
2
53
C06C07
[A]
I6RW0D510007-01
1. TCM 3. A/T
2. TCC solenoid valve [A]: Terminal arrangement of TCM connector (viewed from harness side)
DTC detecting condition Trouble area
Voltage of TCC solenoid valve TCM terminal is high although
TCM is commanding TCC solenoid valve to turn OFF.• TCC solenoid valve circuit shorted to ground
• Malfunction of TCC solenoid valve
•TCM

Downloaded from www.Manualslib.com manuals search engine 5A-74 Automatic Transmission/Transaxle:
DTC P2764: Torque Converter Clutch (TCC) Circuit Pressure Control Solenoid Control Circuit LowS6RW0D5104043
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 ignition switch OFF, if available.
2) Clear DTC in TCM memory.
3) Start engine.
4) Keep engine running at idle speed in “P” range for 20 seconds or more.
5) Check DTC.
12V
C06-5
C06-3
WHT/BLU
WHT/BLK
3
1
2
53
C06C07
[A]
I6RW0D510007-01
1. TCM 3. A/T
2. TCC solenoid valve [A]: Terminal arrangement of TCM connector (viewed from harness side)
DTC detecting condition Trouble area
Voltage of TCC solenoid valve TCM terminal is low although
TCM is commanding TCC solenoid valve to turn ON.• TCC solenoid valve circuit shorted to ground
• Malfunction of TCC solenoid valve
•TCM

Downloaded from www.Manualslib.com manuals search engine 5A-76 Automatic Transmission/Transaxle:
DTC U0073: Control Module Communication Bus OffS6RW0D5104051
Refer to “Troubleshooting for CAN-DTC in Section 1A”.
DTC U0100: Lost Communication with ECM / PCM “A”S6RW0D5104052
Refer to “Troubleshooting for CAN-DTC in Section 1A”.
Inspection of TCM and Its CircuitsS6RW0D5104044
TCM and its circuits can be checked at TCM wiring connectors by measuring voltage, pulse signal and resistance.
CAUTION!
TCM cannot be checked by itself, it is strictly prohibited to connect voltmeter or ohmmeter to TCM with
connector disconnected from it.

1) Remove TCM (1) from vehicle referring to “Transmission Control Module (TCM) Removal and Installation”.
2) Connect TCM connectors (2) to TCM.
3) Check voltage and/or pulse signal at each terminal of connectors connected using voltmeter (3) and oscilloscope
(4).
NOTE
• As each terminal voltage is affected by battery voltage, confirm that it is 11 V or more when ignition
switch is ON.
• Voltage with asterisk(*) cannot be measured by voltmeter because it is pulse signal. Check it with
oscilloscope if necessary.

Terminal arrangement of TCM coupler (Viewed from harness side)
3
4
12
I4RS0A510021-02
65
16 15 14 13 12 1143
24 23 212210 9 8 721
19 20 18 17 C06
17 16
26 2515 14 65 342
13 12
23 22 2411 10 9
21 20 1987
18 1 C07
I6RW0B510018-01

Downloaded from www.Manualslib.com manuals search engine 5A-80 Automatic Transmission/Transaxle:
Reference waveform No. 5
Output shaft speed sensor (VSS) signal at vehicle speed
60 km/h (37 mile/h).
TCM Power and Ground Circuit CheckS6RW0D5104045
Wiring DiagramMeasurement
terminalCH1: “C07-25” to “C06-1”
Oscilloscope
settingCH1: 5 V/DIV
TIME: 20 ms/DIV
Measurement
condition• After warmed up to normal
operating temperature
• Drive vehicle at 60 km/h (37
mile/h).
I3RM0B510028-01
BLK
BLK
BLK
C06-1
C06-23
C06-6YEL/BLKYEL/BLU
LT GRN/BLK
+BB
C06-24WHT/RED1
23
6
24 231
C06C07
[A]
I6RW0B510019-01
1. TCM 3. Ignition switch
2. A/T relay [A]: Terminal arrangement of TCM connector (viewed from harness side)

Downloaded from www.Manualslib.com manuals search engine 5A-88 Automatic Transmission/Transaxle:
Installation
1) Lay interlock cable to its original cabling route.
C
1 2
3
4
5
61
9 [C] [A]
7
12
3
4
567
8
2 [B]
I5RW0C510073-01
[A]: LH steering vehicle 2. Clamp 6. EPS control module
[B]: RH steering vehicle 3. Steering lock assembly / Steering lock unit (if equipped with Keyless
start system)7. Brake switch bracket
[C]: View C 4. Key cylinder cover 8. Wiring harness
1. Key interlock cable 5. Select lever assembly 9. Marking

Downloaded from www.Manualslib.com manuals search engine 5B-12 Manual Transmission/Transaxle:
Manual Transaxle Unit Dismounting and
Remounting
S6RW0D5206010
Dismounting
1) Drain coolant.
2) Remove battery and tray with ECM.
3) Remove air cleaner case and resonator.
4) Remove clutch fluid pipe referring to “Clutch Fluid
Pipe Removal and Installation in Section 5C”.
5) Disconnect back up light switch coupler and undo
wiring harness clamps.
6) Disconnect gear shift and gear select control cables
(1) from transaxle.
7) Remove earth cable from transaxle.
8) Remove water inlet pipe.
9) Remove starting motor referring to “Starting Motor
Dismounting and Remounting in Section 1I”.
10) Remove transaxle to engine bolts (1) of upper side.
11) Drain transaxle oil and transfer oil, if equipped.
12) Remove engine under covers.
13) Remove drive shaft assembly and center shaft
referring to “Front Drive Shaft Assembly Removal
and Installation in Section 3A”.
14) Remove exhaust No.1, No.2 and No.3 pipes
referring to “Exhaust Pipe and Muffler Removal and
Installation in Section 1K”.
15) Remove suspension frame, engine front mounting
member and engine mounting member referring to
“Front Suspension Frame, Stabilizer Bar and/or
Bushing Removal and Installation in Section 2B” and
“Engine Mountings Components in Section 1D”.16) Remove transfer referring to “Transfer Dismounting
and Remounting in Section 3C”, if equipped.
17) Remove clutch housing lower plate.
18) Support transaxle with transmission jack.
19) Remove left mounting (1) and left mounting bracket
(2).
20) Remove stiffener bolts (2), transaxle to engine bolts
(1) and nut of lower side, and then lower transaxle.
Remounting
CAUTION!
• Care should be taken not to scratch oil
seal lip with drive shaft while raising
transaxle.
• Do not hit drive shaft joint with hammer
when installing it into differential gear.

Reverse dismounting procedure for remounting of
transaxle, noting the following points.
• Tighten each bolts and nuts to specified torque
referring to “Manual Transaxle Unit Components” and
“Engine Mountings Components in Section 1D”.
• Set each clamp for wiring securely.
• Fill transaxle oil and transfer oil referring to “Manual
Transaxle Oil Change” and “Transfer Oil Change in
Section 3C”.
• Connect battery and check function of engine, clutch
and transaxle.
1
I5RW0A520011-01
1
I5RW0A520012-01
1
2
I5RW0A520013-01
1
2I5RW0A520014-01

Downloaded from www.Manualslib.com manuals search engine Table of Contents 6- i
6
Section 6
CONTENTS
Steering
Precautions ................................................. 6-1
Precautions............................................................. 6-1
Precautions on Steering........................................ 6-1
Steering General Diagnosis.................... 6A-1
Precautions........................................................... 6A-1
Precautions for Steering Diagnosis ..................... 6A-1
Diagnostic Information and Procedures ............ 6A-1
Steering Symptom Diagnosis .............................. 6A-1
Steering System Inspection ................................ 6A-2
Steering Wheel and Column................... 6B-1
Precautions........................................................... 6B-1
Service Precautions of Steering Wheel and
Column.............................................................. 6B-1
General Description ............................................. 6B-1
Steering Wheel and Column Construction .......... 6B-1
Diagnostic Information and Procedures ............ 6B-2
Checking Steering Column for Accident
Damage ............................................................ 6B-2
Repair Instructions .............................................. 6B-3
Steering Wheel and Column Construction .......... 6B-3
Steering Wheel Removal and Installation ........... 6B-4
Contact Coil Cable Assembly Removal and
Installation ......................................................... 6B-5
Centering Contact Coil Cable Assembly ............. 6B-6
Contact Coil Cable Assembly Inspection ............ 6B-6
Steering Column Removal and Installation ......... 6B-6
Steering Column Inspection ................................ 6B-8
Ignition Switch Cylinder Assembly Removal
and Installation (Non- Keyless Start Model)...... 6B-8
Steering Lock Assembly (Ignition Switch)
Removal and Installation................................... 6B-9
Steering Lower Shaft Removal and
Installation ....................................................... 6B-10
Specifications..................................................... 6B-11
Tightening Torque Specifications ...................... 6B-11
Special Tools and Equipment ........................... 6B-11
Special Tool ...................................................... 6B-11
Power Assisted Steering System........... 6C-1
Precautions........................................................... 6C-1
P/S System Note ................................................. 6C-1
Precautions in Diagnosing Troubles ................... 6C-1General Description .............................................6C-2
P/S System Description ......................................6C-2
EPS Diagnosis General Description ...................6C-3
On-Board Diagnostic System Description ...........6C-3
Schematic and Routing Diagram ........................6C-4
EPS System Wiring Circuit Diagram ...................6C-4
Diagnostic Information and Procedures ............6C-5
EPS System Check .............................................6C-5
“EPS” Warning Light Check ................................6C-8
DTC Check..........................................................6C-8
DTC Clearance ...................................................6C-9
DTC Table ...........................................................6C-9
Visual Inspection ...............................................6C-11
Scan Tool Data .................................................6C-12
P/S System Symptom Diagnosis ......................6C-13
DLC and Its Communication Check (No
communication to P/S Control Module)...........6C-14
“EPS” Warning Light Does Not Come ON with
Ignition Switch Turned ON before Engine
Starts ...............................................................6C-16
“EPS” Warning Light Remains ON Steady
after Engine Starts ..........................................6C-18
DTC C1111 / C1113 / C1115: Torque Sensor
Circuit Failure ..................................................6C-19
DTC C1116: Steering Torque Sensor Power
Supply Circuit ..................................................6C-21
DTC C1121 / C1123 / C1124: Vehicle Speed
Signal Circuit Failure .......................................6C-22
DTC C1122: Engine Speed Signal....................6C-24
DTC C1141 / C1142 / C1143 / C1145: Motor
Circuit Failure ..................................................6C-26
DTC C1153: P/S Control Module Power
Supply Circuit ..................................................6C-27
DTC C1155: P/S Control Module Internal
Failure .............................................................6C-28
P/S Control Module Power Supply and
Ground Circuit Check ......................................6C-29
Inspection of P/S Control Module and Its
Circuits ............................................................6C-30
Steering Wheel Play Check ..............................6C-34
Steering Force Check .......................................6C-34
Repair Instructions ............................................6C-35
Steering Gear Case Assembly Components ....6C-35
Tie-Rod End Boot On-Vehicle Inspection .........6C-36
Tie-Rod End Removal and Installation..............6C-36

Downloaded from www.Manualslib.com manuals search engine 6C-4 Power Assisted Steering System:
Schematic and Routing Diagram
EPS System Wiring Circuit DiagramS6RW0D6302001
[A]
123
45
3 21
4
567
8
9 11
10 12 13
141516
17 18 19201
2
[B]
1
2
[C] [D]
10 9 8 7654 3 21
16 15 14 13 12 11
26 25 24 2322 21 20 19 18 17
32 31 30 29 28 27
[F][E]
12
BRN RED/
BLU GRY LT GRN/
BLK
BLK
RED
WHT GRN
BLK
E11-1
E11-5
E11-14
E11-12
[J]:E01-44E01-4
[J]:E01-27E01-26
E12-1
E12-2
E11-10E11-8
E11-9
E11-19
E13-1 GRN
GRY
GRN
WHT
G241-25G241-31
RED/BLK
11
12
1314 3 18
20
21
7 19
4 12
22
12V
E13-2BLK
9V
REDE11-20
12V
12V
E61-2
E61-1
610
55
5V
8
E11-115V
PPL
E11-4
9
23
+BB
BLU/
WHTE04-9
1524YELE11-18E31-5
E31-2
E31-39V
3V
E31-4
E31-1IG11617
C07-25
[H]
[G]
G04-15
[I]:G04-22
25L313-3
[I]
I6RW0D630001-01
[A]: P/S control module connector No.1 “E11” (viewed from harness side) 3. Junction block assembly 15. BCM
[B]: P/S control module connector No.2 “E13” (viewed from harness side) 4. Main fuse 16. Output shaft speed sensor
[C]: P/S control module connector No.3 “E12” (viewed from harness side) 5. Front (left/right) wheel speed sensor 17. TCM
[D]: Combination meter connector “G241” (viewed from harness side) 6. ABS control module 18. Individual circuit fuse box No.1
[E]: Torque sensor connector “E31” (viewed from harness side) 7. Combination meter 19. “IGN” fuse
[F]: Motor connector “E61” (viewed from harness side) 8. “EPS” warning light 20. “P/S” fuse
[G]: M/T model 9. Data link connector (DLC) 21. “IG1 SIG” fuse
[H]: A/T model 10. ECM 22. “MTR” fuse
[I]: Junction block without BCM model (Taiwan model) 11. P/S control module 23. To ABS control module
[J]: M15A engine with 4A/T equipped with slip control model (Hong Kong
model)12. P/S motor 24. To HVAC control module
1. Main fuse box 13. Shield 25. To SDM
2. Ignition switch 14. Torque sensor (built into steering gear case)

Downloaded from www.Manualslib.com manuals search engine 6C-14 Power Assisted Steering System:
DLC and Its Communication Check (No communication to P/S Control Module)S6RW0D6304009
Wiring Diagram
Troubleshooting
[A]
123
4567
8
9 11
10 12 13
141516
17 18 1920
1
2
[B]
10 9 8 7654 3 21
16 15 14 13 12 11
26 25 24 2322 21 20 19 18 17
32 31 30 29 28 27
[C]
LT GRN/BLKE11-1
E11-11
E13-1 GRN
GRN
WHT
8
13
318
19
20
5
6 17
4
12
712V
E13-2BLK
9
G241-31
+BB
BLU/
WHTE04-9
10
11
RED/BLK
G241-25E11-5GRY
L313-312
BLKBLK/
ORN
16
16
15
14[D]
I6RW0D630002-01
[A]: P/S control module connector No.1 “E11” (viewed from harness side) 5. Combination meter 13. Individual circuit fuse box No.1
[B]: P/S control module connector No2 “E13” (viewed from harness side) 6. “EPS” warning light 14. Serial data circuit
[C]: Combination meter connector “G241” (viewed from harness side) 7. Data link connector (DLC) 15. DLC power supply circuit
[D]: Junction block without BCM model (Taiwan model) 8. P/S control module 16. DLC ground circuit
1. Main fuse box 9. BCM 17. “IGN” fuse
2. Ignition switch 10. To HVAC control module 18. “P/S” fuse
3. Junction block assembly 11. To ABS control module 19. “IG1 SIG” fuse
4. Main fuse 12. To SDM 20. “MTR” fuse
Step Action Yes No
1“EPS” warning light check
1) Turn ignition switch to ON position.
Does “EPS” warning light turn on?Go to step 2. Go to ““EPS” Warning
Light Does Not Come
ON with Ignition Switch
Turned ON before
Engine Starts”.
2Scan tool condition check
1) Make sure that SUZUKI scan tool is as follows.
• Correct PCMCIA card (software) is used.
• There are no deformation and wear for DLC cable
terminals.
• Connection for DLC cable terminals is in good
condition.
Are they OK?Go to step 3. Repair or replace
defective part.

Downloaded from www.Manualslib.com manuals search engine Power Assisted Steering System: 6C-15
3Communication check
1) Check DLC terminal for deformation and wear.
2) If it is in good condition, connect SUZUKI scan tool to
DLC with ignition switch tuned OFF.
3) Check if communication is possible by making
communication with other control modules (BCM, ABS,
HVAC control module or SDM).
Is it possible to communicate with the other control
modules?Go to Step 4. Go to Step 6.
4Serial communication circuit check
1) With ignition switch turned OFF, disconnect “E11”
connector from P/S control module and check for proper
connection at P/S control module connector terminal.
2) If connections are OK, check that “Serial data circuit” is
as follows.
• Wiring resistance of “Serial data circuit” wire between
DLC connector and P/S control module connector is
less than 1 Ω.
Is it resistance less than 1
Ω?Go to Step 5. “Serial data circuit” is
open or high resistance.
5P/S control module power and ground circuit check
1) Check power supply circuit and ground circuit for P/S
control module referring to “P/S Control Module Power
Supply and Ground Circuit Check”.
Is check result in good condition?Substitute a known-
good P/S control
module and recheck.Repair or replace
defective circuit.
6DLC power and ground circuit check
1) Check power supply circuit and ground circuit for DLC
connector as follows.
• Voltage of “DLC connector power supply circuit”
between DLC connector terminal and vehicle body
ground is 10 –14 V with ignition switch turned ON.
• Wire resistance of each “DLC connector ground
circuit” between DLC connector terminal and vehicle
body ground is less than 1 Ω.
Is check result in good condition?Go to Step 7. Repair or replace
defective circuit.
7Serial communication circuit check
1) With ignition switch turned OFF, disconnect “E11”
connector from P/S control module and check for
terminal to P/S control module connector.
2) If connections are OK, check that “Serial data circuit” is
as follows.
• Insulation resistance of “Serial data circuit” wire is
infinity between its terminal and other terminals at P/S
control module connector.
• Insulation resistance of “Serial data circuit” wire is
infinity between its terminal and vehicle body ground.
Is circuit in good condition?Go to Step 8. Repair or replace
defective circuit. Step Action Yes No