2006 SUZUKI SX4 fuse diagram

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DTC C1111 / C1113 / C1115: Torque Sensor Circuit FailureS6RW0D6304012
DTC C1111: Steering Torque Sensor (Main) Circuit Voltage
DTC C1113: Steering Torque Sensor (Main and Sub) Circuit Correlation
DTC C1115: Steering Torque Sensor (Sub) Circuit Voltage
Wiring Diagram
DTC Detecting Condition and Trouble Area
[A]
123
453 21
4
5
67
8
9 11
10 12 13
141516
17 18 1920
1
2
[B]
[C]
LT GRN/
BLK
WHT GRN
BLK
E11-1
E11-10E11-8
E11-9
E11-19
E13-1 GRN
GRY
GRN
WHT
5
6
37
10
11
9
4 12
12V
E13-2BLK
9V
REDE11-20
5VYELE11-18E31-5
E31-2
E31-39V
E31-43V
E31-1
8
8
I6RW0C630004-02
[A]: P/S control module connector No.1 “E11” (viewed from harness side) 3. Junction block assembly 8. Torque sensor signal circuit
[B]: P/S control module connector No.2 “E13” (viewed from harness side) 4. Main fuse 9. “IGN” fuse
[C]: Torque sensor connector “E31” (viewed from harness side) 5. P/S control module 10. “P/S” fuse
1. Main fuse box 6. Torque sensor 11. “IG1 SIG” fuse
2. Ignition switch 7. Individual circuit fuse box No.1
DTC detecting condition Trouble area
DTC C1111:
Circuit voltage of sensor main is more than 4.5 V or less
than 0.5 V
(1 driving cycle detection logic)
DTC C1113:
Difference between steering torque calculated based on
sensor main signal and steering torque calculated based
on sensor sub signal is more than 4.9 N⋅m
or
Difference between instantaneous value and average
value of steering torque calculated based on sensor main
signal and steering torque calculated based on sensor sub
signal is more than 2.94 N⋅m
(1 driving cycle detection logic)
DTC C1115:
Circuit voltage of sensor sub signal is more than 4.5 V or
less than 0.5 V
(1 driving cycle detection logic)• Torque sensor signal circuit
• Torque sensor
• P/S control module

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DTC C1116: Steering Torque Sensor Power Supply CircuitS6RW0D6304013
Wiring Diagram
DTC Detecting Condition and Trouble Area
DTC Troubleshooting
[A]
123
453 21
4
5
67
8
9 11
10 12 13
141516
17 18 1920
1
2
[B]
[C]
LT GRN/
BLK
WHT GRN
BLK
E11-1
E11-10E11-8
E11-9
E11-19
E13-1 GRN
GRY
GRN
WHT
5
6
37
10
11
9
4 12
12V
E13-2BLK
9V
REDE11-20
5VYELE11-18E31-5
E31-2
E31-39V
E31-43V
E31-1
8
I6RW0C630005-02
[A]: P/S control module connector No.1 “E11” (viewed from harness side) 3. Junction block assembly 8. Torque sensor power supply circuit
[B]: P/S control module connector No.2 “E13” (viewed from harness side) 4. Main fuse 9. “IGN” fuse
[C]: Torque sensor connector “E31” (viewed from harness side) 5. P/S control module 10. “P/S” fuse
1. Main fuse box 6. Torque sensor 11. “IG1 SIG” fuse
2. Ignition switch 7. Individual circuit fuse box No.1
DTC detecting condition Trouble area
Circuit voltage of torque sensor 9 V power supply is less
than 7 V
(1 driving cycle detection logic)• Torque sensor 9 V power supply circuit
• Torque sensor
• P/S control module
Step Action Yes No
1Was “EPS System Check” performed?Go to Step 2. Go to “EPS System
Check”.
2DTC check
Is DTC C1153 indicated, together?Go to applicable DTC
diag. flow.Go to Step 3.
3Torque sensor power supply voltage check
1) With ignition switch turned OFF, disconnect torque
sensor connector.
2) Check for voltage between “E31-3” (“GRN” wire)
terminal and body ground with ignition switch ON.
Is it approx. 9 V?Go to Step 4. Go to Step 5.
4Torque sensor power supply voltage check
1) With ignition switch turned OFF, connect torque sensor
connector.
2) Check for voltage between “E11-8” (“GRN” wire)
terminal and body ground with ignition switch ON.
Is it approx. 9 V?Substitute a known-
good P/S control
module and recheck.Replace steering gear
case.

Downloaded from www.Manualslib.com manuals search engine 6C-22 Power Assisted Steering System:
DTC C1121 / C1123 / C1124: Vehicle Speed Signal Circuit FailureS6RW0D6304014
DTC C1121: No Vehicle Speed Signal (60 Seconds or More)
DTC C1123: No Vehicle Speed Signal (30 Seconds or More)
DTC C1124: Vehicle Speed Performance (Impossible Deceleration)
Wiring Diagram5Torque sensor power supply circuit check
1) Check that torque sensor power supply circuit is as
follows.
• Insulation resistance of wire harness is infinity
between “Torque sensor power supply circuit” terminal
and each other terminal at torque sensor connector.
• Wiring harness resistance of “Torque sensor power
supply circuit” is less than 1 Ω.
• Insulation between “Torque sensor power supply
circuit” and vehicle body ground is infinity.
Is circuit in good condition?Replace P/S control
module.Repair or replace
defective circuit. Step Action Yes No
[A]
123
4567
8
9 11
10 12 13
141516
17 18 1920
1
2
[B]
BRN RED/
BLU LT GRN/
BLK
E11-1
E11-14
E11-12
E13-1 GRN
GRN
WHT
8
3 10
12
13
11
4 1
2
12V
E13-2BLK
12V
12V
9 5
77
E11-11
G04-15
[E]G04-22
5V
PPL
E11-4
BLU/
WHTE04-9
6
14
IG11615
C07-25
[D][C]
[F]E01-44E01-4
[F]E01-27E01-26
I6RW0D630003-01
[A]: P/S control module connector No.1 “E11” (viewed from harness side) 3. Junction block assembly 11. “IGN” fuse
[B]: P/S control module connector No.2 “E13” (viewed from harness side) 4. Main fuse 12. “P/S” fuse
[C]: M/T model 5. ECM 13. “IG1 SIG” fuse
[D]: A/T model 6. BCM 14. Vehicle speed signal
[E]: Junction block without BCM model (Taiwan model) 7. Front left/right wheel speed sensor 15. TCM
[F]: M15A engine with 4A/T equipped with slip control model (Hong Kong model) 8. P/S control module 16. Output shaft speed sensor
1. Main fuse box 9. ABS control module
2. Ignition switch 10. Individual circuit fuse box No.1

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DTC C1122: Engine Speed SignalS6RW0D6304015
Wiring Diagram6Vehicle speed signal circuit check
1) With ignition switch turned OFF, disconnect connectors
from BCM.
2) Check BCM connector for proper connection.
3) If OK, turn ON ignition switch, measure voltage between
“G04-15” or “G04-22” wire terminal of BCM connector
and body ground.
Is voltage 4 – 5 V?Go to Step 7. Go to Step 8.
7BCM voltage check
1) With ignition switch turned OFF, connect BCM
connector.
2) Check BCM for vehicle speed signal output referring to
“Inspection of P/S Control Module and Its Circuits”.
Is it in good condition?Replace P/S control
module.Replace BCM.
8Vehicle speed signal circuit check
1) Check that vehicle speed signal circuit is as follows.
• Insulation resistance of wire harness is infinity
between “Vehicle speed signal” terminal and other
terminal at P/S control module connector.
• Wiring harness resistance of “Vehicle speed signal”
circuit is less than 1Ω.
• Insulation resistance between “Vehicle speed signal”
circuit and vehicle body ground is infinity.
• Circuit voltage between “Vehicle speed signal” circuit
and ground circuit is 0 – 1 V with ignition switch turned
ON.
Is it in good condition?Replace P/S control
module.Repair or replace
defective circuit. Step Action Yes No
[A]
123
4567
8
9 11
10 12 13
141516
17 18 1920
1
2
[B]
BRN LT GRN/
BLK
E11-1
E11-12
E13-1 GRN
GRN
WHT
6
37
9
10
8
4 12
12V
E13-2BLK12V5
11
[C]E01-44E01-4
I6RW0D630004-01
[A]: P/S control module connector No.1 “E11” (viewed from harness side) 3. Junction block assembly 8. “IGN” fuse
[B]: P/S control module connector No.2 “E13” (viewed from harness side) 4. Main fuse 9. “P/S” fuse
[C]: M15A engine with 4A/T equipped with slip control model (Hong Kong model) 5. ECM 10. “IG1 SIG” fuse
1. Main fuse box 6. P/S control module 11. Engine speed signal circuit
2. Ignition switch 7. Individual circuit fuse box No.1

Downloaded from www.Manualslib.com manuals search engine 6C-26 Power Assisted Steering System:
DTC C1141 / C1142 / C1143 / C1145: Motor Circuit FailureS6RW0D6304016
DTC C1141: P/S Motor Circuit Voltage
DTC C1142: P/S Motor Circuit Range/Performance
DTC C1143: P/S Motor Circuit Current Too High
DTC C1145: P/S Motor Circuit Current Too Low
Wiring Diagram
DTC Detecting Condition and Trouble Area
[A]
123
4567
8
9 11
10 12 13
141516
17 18 1920
1
2
[B]
1
2
[C]
LT GRN/
BLK
BLK
RED
E11-1
E12-1
E12-2 E13-1 GRNGRN
WHT
5
6 3 7
9
10
8
4 12
12V
E13-2BLK
E61-2
E61-1
11
I6RW0C630008-01
[A]: P/S control module connector No.1 “E11” (viewed from harness side) 2. Ignition switch 7. Individual circuit fuse box No.1
[B]: P/S control module connector No.2 “E13” (viewed from harness side) 3. Junction block assembly 8. “IGN” fuse
[C]: P/S control module connector No.3 “E12” (viewed from harness side) 4. Main fuse 9. “P/S” fuse
[D]: Motor connector “E61” (viewed from harness side) 5. P/S control module 10. “IG1 SIG” fuse
1. Main fuse box 6. P/S motor 11. Motor circuit
DTC detecting condition Trouble area
DTC C1141:
Voltage between both motor drive circuit is more than 8.5
V or less than 0.2 V for 0.5 second continuously while
motor is not driven.
(1 driving cycle detection logic)
DTC C1142:
Measured motor drive current is more than 10 A as
compared with target motor drive current.
(1 driving cycle detection logic)
DTC C1143:
Measured motor drive current is more than 65 A.
(1 driving cycle detection logic)
DTC C1145:
Measured motor drive current is less than 2 A
continuously for more than 3 seconds even though target
motor drive current is more than 4 A.
or
Measured motor drive current is less than 0.8 A for total 1
second even though motor control duty is more than 90%
when target motor drive current is less than 8 A.
(1 driving cycle detection logic)• P/S motor circuit
• P/S motor
• Torque sensor
• P/S control module

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DTC Troubleshooting
DTC C1153: P/S Control Module Power Supply CircuitS6RW0D6304017
Wiring Diagram
DTC Detecting Condition and Trouble AreaStep Action Yes No
1Was “EPS System Check” performed?Go to Step 2. Go to “EPS System
Check”.
2DTC check
Is DTC C1153 and/or C1155 indicated, together?Go to applicable DTC
diag. flow.Go to Step 3.
3Power supply and ground circuit check
1) Check P/S control module power supply and ground
circuit referring to “P/S Control Module Power Supply
and Ground Circuit Check”.
Is it in good condition?Go to Step 4. Repair or replace
defective circuit.
4Motor circuit check
1) With ignition switch turned OFF, disconnect P/S control
module connector No.3 and P/S motor connector.
2) Check P/S control module connector and P/S motor
connector for proper connection.
3) If OK, check for open, short and/or high resistance in
motor circuit between P/S control module and P/S motor.
Refer to “Electrical Circuit Inspection Procedure in
Section 00”.
Are they in good condition?Go to Step 5. Repair motor circuit.
5P/S motor check
1) Check P/S motor referring to “P/S Motor and Its Circuit
Inspection”.
Is P/S motor in good condition?Substitute a known-
good P/S control
module and recheck.Replace the steering
gear case assembly and
recheck.
[A]
123
4567
8
9 11
10 12 13
141516
17 18 1920
1
2
[B]
LT GRN/
BLKE11-1E13-1 GRNGRN
WHT
5
3 6
8
9
7
4 12
12V
E13-2BLK
I6RW0C630009-01
[A]: P/S control module connector No.1 “E11” (viewed from harness side) 3. Junction block assembly 7. “IGN” fuse
[B]: P/S control module connector No.2 “E13” (viewed from harness side) 4. Main fuse 8. “P/S” fuse
1. Main fuse box 5. P/S control module 9. “IG1 SIG” fuse
2. Ignition switch 6. Individual circuit fuse box No.1
DTC detecting condition Trouble area
Power supply voltage of P/S control module is less than 9
V for 5 seconds continuously while engine speed is more
than 600 rpm.
(1 driving cycle detection logic)• P/S control module power supply circuit
• Battery
• Generator
• P/S control module

Downloaded from www.Manualslib.com manuals search engine 6C-28 Power Assisted Steering System:
DTC Troubleshooting
DTC C1155: P/S Control Module Internal FailureS6RW0D6304018
Wiring Diagram
Refer to “DTC C1153: P/S Control Module Power Supply Circuit”.
DTC Detecting Condition and Trouble Area
DTC TroubleshootingStep Action Yes No
1Was “EPS System Check” performed?Go to Step 2. Go to “EPS System
Check”.
2Battery voltage check
1) Check circuit fuse for P/S control module.
2) If OK, measure voltage between positive (+) battery
terminal and vehicle body ground with engine running.
Is voltage 10 V or more?Go to Step 3. Check charging system
referring to “Generator
Test (Undercharged
Battery Check) in
Section 1J”.
3P/S control module power supply circuit check
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 defective circuit.
DTC detecting condition Trouble area
Internal memory (EEPROM) is data error.
(In this case, “EPS” warning light does not light up)
or
Internal circuit is faulty.
or
Power supply voltage of P/S control module exceeded
17.5 V
(1 driving cycle detection logic)• Generator
• P/S control module
Step Action Yes No
1Was “EPS System Check” performed?Go to Step 2. Go to “EPS System
Check”.
2P/S control module power supply and ground circuit
check
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?Go to Step 3. Repair or replace
defective circuit.
3Battery voltage check
1) Check voltage between positive (+) battery terminal and
vehicle body ground with engine speed at 3000 rpm.
Is voltage 15.5 V or less?Replace P/S control
module.Check charging system
referring to “Generator
Test (Overcharged
Battery Check) in
Section 1J”.

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P/S Control Module Power Supply and Ground Circuit CheckS6RW0D6304019
Wiring Diagram
Refer to “DTC C1153: P/S Control Module Power Supply Circuit”.
DTC Troubleshooting
Step Action Yes No
1Circuit fuse check
1) Disconnect P/S control module connector with ignition
switch turned OFF.
2) Check for proper connection to P/S control module
connector at “E13-1”, “E13-2” and “E11-1” terminals.
3) If OK, check “P/S” fuse and “IG1 SIG” fuse for blowing.
Are “P/S” fuse and “IG1 SIG” fuse in good condition?Go to Step 2. Replace fuse (s) and
check for short in
circuits connected to
fuse(s).
2Power supply circuit check
1) Measure voltage between “E13-1” terminal of P/S
control module connector and body ground.
Is voltage 10 – 14 V?Go to Step 3. “GRN” or “WHT” wire is
open circuit.
3Ignition signal check
1) Turn ignition switch to ON position.
2) Measure voltage between “E11-1” terminal of P/S control
module connector and body ground.
Is voltage 10 – 14 V?Go to Step 4. “LT GRN / BLK” or
“GRN” wire is open
circuit.
4P/S control module ground circuit check
1) Turn ignition switch to OFF position.
2) Disconnect connectors from P/S control module.
3) Measure resistance between “E13-2” terminals of P/S
control module connector and body ground.
Is resistance 1
Ω or less?Go to Step 5. “BLK” wire is open or
high resistance circuit.
5P/S control module ground circuit check
1) Connect connectors to P/S control module.
2) Start engine.
3) Measure voltage between “E13-2” terminals of P/S
control module connector and body ground when
steering wheel fully turned to left or right.
Is voltage 0.3 V or less?P/S Control Module
Power Supply and
Ground Circuit is in
good condition.“BLK” wire is high
resistance circuit.