2006 SUZUKI SWIFT ECM power
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Downloaded from www.Manualslib.com manuals search engine ABS: 4E-4
Schematic and Routing Diagram
ABS SchematicS7RS0B4502001
INPUTOUTPUT
ABS control moduleWheel speed sensor (LF)
Wheel speed sensor (LR)
Wheel speed sensor (RF)Battery Voltage
Ignition Voltage
Pump motor
driver (transistor)
Solenoid valve power
supply driver (transistor)
Solenoid valve
driver (transistor) Hydraulic unit
Pump motor
LF inlet solenoid valve
LF outlet solenoid valve
LR inlet solenoid valve
LR outlet solenoid valve
RF inlet solenoid valve
RF outlet solenoid valve
RR inlet solenoid valve
RR outlet solenoid valve
Data link connector
ABS hydraulic unit/control
module assembly
Wheel speed sensor (RR)
3 7
2
645
8 12
14
21
15
16
1
13
18
17
19
19
11
10
9
CAN driverStop lamp switch
Engine torque
ECM
ABS warning light
EBD warning light
Combination meter
Torque request
ECMWheel speed signal (LF)
Wheel speed signal (LR)
Wheel speed signal (RF)
Wheel speed signal (RR)
ABS active
I6RS0C450003-03
Page 544 of 1496
Downloaded from www.Manualslib.com manuals search engine 4E-5 ABS:
ABS Wiring Circuit DiagramS7RS0B4502002
1. ABS hydraulic unit / control module assembly 8.
Pump motor 15. Wheel speed sensor (Right-front)
2. ABS control module 9. Stop lamp switch 16. Wheel speed sensor (Left-front)
3. ABS hydraulic unit 10. ABS warning light 17. Wheel speed sensor (Right-rear)
4. Solenoid valve power supply driver (transistor) 11. EBD warnin g light (Brake warning light) 18. Wheel speed sensor (Left-rear)
5. Solenoid valve driver (transistor) 12. Lamp driver module 19. Battery
6. Pump motor driver (transistor) 13. 4 way joint 20. Ignition switch
7. Solenoid valve 14. Data link connector 21. ECM
[A]
14
1516171819202122232425 1
23456789101112
13
26 E03
a
WHT/BLU
BLKWHT/BLU
M
12V
9
10 11 12
13
BLKE03-14E03-1
E03-13
E03-26
YELBRN
14E03-24
LT GRN/BLKLT GRN
15
WHTWHT/BLK
16
RED
WHTBLK
WHTBLK
WHTBLK
WHTBLKRED/BLK
17
12V
PPL/WHT
18E03-5
1912V
5V
12V
23
24
VCC22
E03-25
E03-15E03-16
E03-19E03-18
E03-22E03-21
WHT/RED
WHT/RED
+BB
GRN/ORN
E03-7
WHT/BLUGRN
1
2
3
4
8
RED/BLK
E03-12
E03-6
RED
WHTE03-10E03-8
REDWHT
20 7
6
529
29
G28-8
G28-10
25
29
E23-3E23-18
GRN/WHT
21
PPL
12V
E23-20
12V
12V
12V
12V
REDWHTE46-1
E46-2
BLK
RED/BLK
RED/BLK
RED
RED
WHT
WHT
27
28
26
29
G37-2
G37-4
REDWHT
I6RS0C450004-01
[A]: Terminal arrangement of ABS hydraulic unit / control module assembly 10. Solenoid valve power supply driver
(transistor) 21. Brake light switch
a: Upside 11. ABS pump motor driver (transistor) 22. Power control unit
Page 545 of 1496
Downloaded from www.Manualslib.com manuals search engine ABS: 4E-6
1. Battery12. Pump motor23. Internal memory
2. Main fuse box 13. Solenoid valves24. Solenoid valve driver (transistor)
3. Ignition switch 14. Right-rear wheel speed sensor25. ECM
4. Circuit fuse box 15. Left-rear wheel speed sensor26. BCM
5. Combination meter 16. Right-front wheel speed sensor27. Brake fluid level switch
6. ABS warning light 17. Left-front wheel speed sensor28. Parking brake switch
7. EBD warning light (Brake warning light) 18. Data link connector29. CAN driver
8. Lamp driver module 19. To ECM, SDM and BCM
9. ABS hydraulic unit / control module assembly 20. Stop lamp
Terminal Wire color Circuit
E03 1
WHT/RED ABS pump motor driver (Transistor)
2— —
3— —
4— —
5 PPL/WHT Data link connector
6 WHT CAN communication line (low) for BCM
7 GRN/ORN Ignition switch
8 WHT CAN communication line (low) for ECM
9— —
10 RED CAN communication line (high) for ECM
11 — —
12 RED CAN communication line (high) for BCM
13 BLK Ground
14 WHT/BLU Solenoid valve power supply driver (Transistor)
15 LT GRN/BLK Left–rear wheel speed sensor (–)
16 LT GRN Left–rear wheel speed sensor (+)
17 — —
18 WHT Right–front wheel speed sensor (+)
19 WHT/BLK Right–front wheel speed sensor (–)
20 — —
21 RED/BLK Left–front wheel speed sensor (–)
22 RED Left–front wheel speed sensor (+)
23 — —
24 YEL Right–rear wheel speed sensor (+)
25 BRN Right–rear wheel speed sensor (–)
26 BLK Ground
Page 550 of 1496
Downloaded from www.Manualslib.com manuals search engine 4E-11 ABS:
DTC CheckS7RS0B4504004
1) Turn ignition switch to OFF position.
2) Connect SUZUKI scan tool to data link connector (1).
Special tool
(A): SUZUKI scan tool
3) Turn ignition switch to ON position.
4) Read DTC according to instructions displayed on SUZUKI scan tool and print it or write it down. Refer
to SUZUKI scan tool operator’s manual for further
details.
NOTE
If SUZUKI scan tool can not communicate
ABS hydraulic unit / control module, perform
“Serial Data Link Circuit Check”.
5) After completing the check, turn ignition switch off and disconnect SUZUKI scan tool from DLC.
DTC TableS7RS0B4504005
CAUTION!
Be sure to perform “ABS Check” before
starting diagnosis.
1 (A)I4RS0A450009-01
DTC (displayed on
SUZUKI scan tool) Diagnostic Items
NO DTC Normal
) C1021 RF
Wheel speed sensor circuit
)
C1025 LF
) C1031 RR
) C1035 LR
) C1022 RF
Wheel speed sensor circuit
or sensor ring
)
C1026 LF
) C1032 RR
) C1036 LR
) C1041
RFInlet solenoid valve circuit
) C1042 Outlet solenoid valve circuit
) C1045
LFInlet solenoid valve circuit
) C1046 Outlet solenoid valve circuit
) C1051
RRInlet solenoid valve circuit
) C1052 Outlet solenoid valve circuit
) C1055
LRInlet solenoid valve circuit
) C1056 Outlet solenoid valve circuit
) C1057 Power source
) C1061 ABS pump motor and/or motor
driver circuit
) C1063 Solenoid valve power supply driver
circuit
) C1071 ABS control module
) U1073 Control Module
Communication
Bus Off
) U1100 Lost Communication with ECM
(Reception error)
Page 556 of 1496
Downloaded from www.Manualslib.com manuals search engine 4E-17 ABS:
5 1) Turn ignition switch to OFF position.2) Check for proper connection to ABS hydraulic unit / control module connector at terminals “E03-13” and
“E03-26”.
3) If OK, measure resistance between each terminal of “E03-13”, “E03-26” and vehicle body ground.
Are resistance less than 2
Ω? Go to Step 6. Ground circuit for ABS
hydraulic unit / control
module open or high
resistance.
6 1) Check if communication is possible by trying communication with other controller (ECM, BCM or
SDM).
Is it possible to commun icate with other controller? Go to Step 7. Repair open in common
section of serial data
circuit (“PPL/WHT” wire
circuit) used by all
controllers or short to
ground or power circuit
which has occurred
somewhere in serial
data circuit (“PPL/WHT”
wire circuit).
7 1) Turn ignition switch to ON position.
2) Measure voltage between terminal B of data link connector and vehicle body ground.
Is voltage 10 – 12 V? Go to step 8. Terminal B circuit open
or shorted to ground.
8 1) Turn ignition switch to OFF position. 2) Measure resistance between the following terminals;• Terminal G of data link connector and vehicle body ground.
• Terminal G1 of data link connector and vehicle body ground.
Is each resistance 1
Ω or less? Go to step 9. Terminal G and/or G1
circuit open or high
resistance.
9 1) Turn ignition switch to OFF position. 2) Check proper connection at “E03-5” (“PPL/WHT” wire) terminal for serial data circuit.
3) If OK, then check resistance between “E03-5” (“PPL/ WHT” wire) terminal and “PPL/WHT” wire terminal (2) for
serial data circuit in DLC (1).
Is resistance 1
Ω or less? Substitute a known-
good ABS hydraulic unit
/ control module and
recheck.
Repair high resistance
or open in “PPL/WHT”
wire circuit for anti lock
brake system.
Step Action Yes No
I4RS0A450013-02
Page 566 of 1496
Downloaded from www.Manualslib.com manuals search engine 4E-27 ABS:
DTC U1100: Lost Communication with ECM (Reception Error)S7RS0B4504019
Wiring Diagram
Refer to “DTC U1073: Control Module Communication Bus Off”.
DTC Detecting Condition
Reception error of communication data for ECM is detected more than specified time continuously.
DTC Troubleshooting Step Action Yes No 1 Was “ABS Check” performed? Go to Step 2. Go to “ABS Check”.
2 1) Check DTC for ABS.
Is DTC U1073 detected? Go to “DTC U1073:
Control Module
Communication Bus
Off”.Go to Step 3.
3 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.
4 1) Check connection of connectors of all control modules communicating by means of CAN.
2) Check DTC for ABS.
Is DTC U1100 detected? Go to Step 5. Intermittent trouble.
Check for intermittent
referring to “Intermittent
and Poor Connection
Inspection in Section
00” in related manual.
5 1) Turn ignition switch to OFF position.
2) Disconnect connectors of ABS control module and ECM
communicating by means of CAN.
3) Check CAN communication circuit between ABS control module and ECM for open, short and high resistance.
Is CAN communication circuit in good condition? Go to Step 6. Repair or replace the
CAN communication
line.
6 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 1) Turn ignition switch to OFF position. 2) Connect connector of disconnected control modules communicating by means of CAN.
3) Disconnect connector from any one of control modules other than BCM and ABS control module.
4) Recheck ABS contro l module for DTC
IS DTC U1100 detected? Disconnected
connectors of control
modules other than the
one whose connector is
disconnected in Step 3)
one by one and check
that DTC U1100 is
detected by ABS control
module each time
connector is
disconnected.
When DTC U1100 is not
detected by ABS
module while checking
in this way, go to
description under “NO”
below. If DTC U1100 is
detected by ABS control
module, go to Step 8.Check power and
ground circuit of control
module disconnected in
Step 3) circuit is OK,
substitute a know-good
control module
disconnected in Step 3)
and recheck.
Page 582 of 1496
Downloaded from www.Manualslib.com manuals search engine 4F-8 Electronic Stability Program:
Schematic and Routing Diagram
Electronic Stability Program SchematicS7RS0B4602001
INPUTOUTPUT
ESP® control module
Wheel speed sensor (LF)
Wheel speed sensor (LR)
Wheel speed sensor (RF) Battery VoltageMaster cylinder pressure sensor
Pump motor driver
(transistor)
Solenoid valve power
supply driver (transistor)
Solenoid valve driver
(transistor)
CAN driver
CAN driver (for yaw rate /
G sensor assembly) Hydraulic unit
Pump motor
LF inlet solenoid valve
LF outlet solenoid valve
LR inlet solenoid valve
LR outlet solenoid valve
RF inlet solenoid valve
RF outlet solenoid valve
RR inlet solenoid valve
RR outlet solenoid valve
Data link connector
Data link connector
ESP® hydraulic unit/control module assembly
Wheel speed sensor (RR)
Master cylinder cut solenoid valve No. 1
Master cylinder cut solenoid
valve No. 2
Low pressure solenoid valve No. 1
Low pressure solenoid valveNo. 2
Stop lamp switch
Engine torque
Accelerator pedal position
Engine speed ECM
Brake fluid level switch
Parking brake switch
BCM
Steering angle sensor
ESP® OFF switch
Yaw rate
Lateral G Yaw rate / G sensor assembly
ABS warning lamp
EBD warning lamp
ESP® warning lamp
SLIP indicator lamp
ESP® OFF lampCombination meter
Torque request
ECM
Steering angle neutral positionSteering angle sensor
Yaw rate / G sensor assembly
Lateral G neutral position
I7RS0B460006-01
Page 583 of 1496
Downloaded from www.Manualslib.com manuals search engine Electronic Stability Program: 4F-9
Electronic Stability Program Wiring Circuit DiagramS7RS0B4602002
WHT/BLU
WHT/BLUGRN
M
12V3
12V
5V
12V
VCC
WHT/RED
WHT
7
REDWHT
12V
12V
6 19
20
21RED/BLK
RED/BLK
GRN/WHT
PNK
12V
GRN/BLK
5V
LT GRN/RED
BLK/ORN
4
16
17
186
22
6 29
30 34
36
38
33
35
32
31
6
6 37
BLK
BLK
RED/BLKRED12V
BLKWHT
23
WHT/BLKWHT
12V
BLKWHT
24
BLKWHTLT GRN/BLKLT GRN
12V
25
BLKWHTBRN
12V
26YEL
12V
98101211
13
6BLK/ORN
1
227
5
WHT/REDGRN/ORN
BLK/ORN
REDWHT
REDWHT
PPL/WHT
6
REDWHT
REDWHT
6
REDWHT
RED/BLK
PPL/WHT
28
39
15 14
BLU/RED
GRN/ORN
12V
12V
E85-35
E85-33
E85-13E85-44
E85-46
E85-29E85-25
E85-37
E85-31
E85-14E85-15
E85-12E85-11
E85-16
E85-47
E85-3
E85-32
E85-1
E85-2
E85-5E85-6
E85-7
E85-42
RED/BLKWHT/BLK
I7RS0B460007-02
1. Battery 14. Junction connector 27. DLC
2. Relay box 15. Keyless start control module 28. To SDM
3. Ignition switch 16. Stop lamp switch 29. ESP® hydraulic unit / control module
4. Junction block assembly 17. Stop lamp 30. “ESP OFF” switch
5. Steering angle sensor 18. ECM 31. Power control unit
6. CAN driver 19. BCM (included in junction block assembly) 32. Internal memory