Ignition wire SUZUKI SWIFT 2007 2.G Service Workshop Manual

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4Check ESP ® control module power supply circuit
1) Turn ignition switch to OFF position.
2) Check for proper connection to ESP ® control module
connector at terminals “E85-1” and “E85-32”.
3) If OK, then turn ignition switch to ON position and measure voltage between each terminal of “E85-1”,
“E85-32” and vehicle body ground.
Are they 10 – 14 V? Go to Step 5. “WHT/BLU” and/or
“WHT/RED” wire circuit
open.
5 Check ESP ® control module ground circuit
1) Turn ignition switch to OFF position.
2) Check for proper connection to ESP ® control module
connector at terminals “E85-16” and “E85-47”.
3) If OK, measure resistance between each terminal of “E85-16”, “E85-47” and vehicle body ground.
Are resistance less than 2
Ω? Go to Step 6. Ground circuit for ESP
®
control module open or
high resistance.
6 Check serial data circuit
1) Check if communication is possible by trying
communication with other c ontroller (ECM, BCM, P/S
control module 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 Check DLC power supply circuit
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 Check DLC ground circuit
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.
Step Action Yes No

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DTC C1016: Stop Lamp Switch Circuit FailureS7RS0B4604026
Wiring Diagram9
Check serial data circuit
1) Turn ignition switch to OFF position.
2) Check proper connection at “E85-33” (“PPL/WHT” wire)
terminal for serial data circuit.
3) If OK, then check resistance between “E85-33” (“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 ESP
® hydraulic
unit / control module
and recheck. Check high resistance
or open in “PPL/WHT”
wire circuit for electronic
stability program. If
circuit is OK, substitute
a known-good BCM and
recheck.
Step Action Yes No
“E85-33”
2
1
I6RS0B460013-01
[A]
E85
161
15
2
3
4
5
6
7
8
9
10
11
12
13
14
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
3233
34
35
36
37
38
39
40
41
42
43
44
45
46
47
[B]
21
E23 34
1819
5671011
17
20
47 46
495051
2122
52 16
25 9
24
14
29
5557 54 53
59
60 5826
27
28
15
30
56 4832 31343536374042 39 38
44
45 43 41 33
1213
2382
1
E85-42
E85-46
56RED
WHT
4
6 7
E23-3
E23-18
12V
PNK3
GRN/WHT
E23-20
I6RS0B460014-01
[A]: ESP
® control module connector (viewed from te rminal side) 3. Stop lamp switch 6. CAN driver
1. Battery 4. Stop lamp 7. ESP ® hydraulic unit control module assembly
2. Main fuse box 5. ECM

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DTC Detecting Condition and Trouble Area
DTC Troubleshooting
DTC C1017 / C1023: Yaw Rate / G Sensor Assembly FailureS7RS0B4604025
DTC C1017: Lateral G Sensor Range / Performance
DTC C1023: Yaw Rate Sensor Failure
DTC Detecting Condition and Trouble AreaDTC Detecting Condition Trouble Area
Vehicle behavior and stop lamp switch signal is disagreed
for specified time. • Back up light switch circuit
• Back up light switch
•ECM
• ESP
® control module
Step Action YesNo
1 Was “Electronic Stability Pr ogram Check” performed? Go to Step 2.Go to “Electronic
Stability Program
System Check”.
2 DTC check for ESP®
1) Connect scan tool to DLC with ignition switch turned
OFF.
2) Turn ignition switch ON and check DTC for ESP ®.
Is DTC U1073 and/or U1100 detected? Go to applicable diag.
flow.
Go to Step 3.
3 Check stop lamp switch circuit
1) Check stop lamp, stop lamp (brake pedal) switch and
their circuit referring to “Brake Light Symptom Diagnosis
in Section 9B”.
Are they in good condition? Go to Step 4.
Repair or replace.
4 Check ECM circuit for stop lamp switch
1) Disconnect connectors from ECM.
2) Check for proper connection to “E23-20” wire of ECM
connector.
3) If connections are OK, check stop lamp switch circuit for
the following.
• Resistance of “GRN/WHT” wire terminal of stop lamp switch between stop lamp switch connector and ECM
connector is less than 1 Ω (continuity check)
• Resistance between “GRN/WHT” wire terminal of stop lamp switch connector and vehicle body ground is
infinity (ground short check)
• Voltage of between “GRN/WHT” wire terminal of stop switch connector and vehicle body ground is 0 V with
ignition switch tuned ON (power short check)
Are they in good condition? Substitute a known-
good ECM and recheck.
If DTC C1016 is still
detected, substitute a
known-good ESP
®
hydraulic unit / control
module assembly and
recheck. Repair or replace
defective wire.
DTC Detecting Condition
Trouble Area
C1017:
Lateral G sensor signal is out of specified range.
C1023:
• Yaw rate sensor signal is out of range.
• Vehicle behavior and yaw rate signal is disagreed. • Yaw rate / G sensor assembly
• ESP
® control module

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DTC Troubleshooting
DTC 1020: Master Cylinder Pressure Sensor Power Supply FailureS7RS0B4604028
DTC Detecting Condition and Trouble Area
DTC Troubleshooting1) Turn ignition switch to OFF position.
2) Check for proper connection from harness to ESP ® control module.
3) If OK, substitute an ESP ® hydraulic unit / control module assembly with correct part number.
4) Recheck system.
Step Action Yes No
1 Was “Electronic Stability Pr ogram Check” performed? Go to Step 2. Go to “Electronic
Stability Program
System Check”.
2 Check brake fluid level
1) Check brake fluid level in reservoir.
Is brake fluid level upper than the minimum level? Go to Step 3. Replenish brake fluid to
reservoir.
3 DTC check for ESP®
1) Connect scan tool to DLC with ignition switch turned
OFF.
2) Turn ignition switch ON and check DTC for ESP ®.
Is DTC U1073 and/or U1140 detected? Go to applicable diag.
flow.
Go to Step 3.
4 Check brake fluid level switch
1) Turn ignition switch to OFF position.
2) Disconnect brake fluid level switch connector.
3) Check for proper connection at each terminal of brake
fluid level switch connector.
4) If OK, then check brake fluid level switch referring to “Brake Fluid Level Switch Inspection in Section 9C”.
Is check result OK? Go to Step 5. Replace brake fluid
level switch.
5 Check brake fluid level switch circuit
1) Disconnect BCM connector.
2) Check for proper connection to BCM connector at “E46-
5” terminal.
3) If OK, then check resistance between “E46-5” terminal and vehicle body ground.
Is resistance infinity? Go to Step 6. “BLKL/RED” wire circuit
is shorted to ground.
6 Check BCM
1) Connect brake fluid level switch connector and BCM
connector.
2) Check voltage at “E46-5” terminal of BCM referring to “Inspection of BCM and its Circuits in Section 10B”.
Is voltage in good condition? Substitute a known-
good ESP
® hydraulic
unit / control module
assembly and recheck. Check BCM power and
ground circuit. If circuit
is OK, substitute a
known-good BCM and
recheck.
DTC Detecting Condition
Trouble Area
Power supply voltage to master cylinder pressure sensor
in ESP® hydraulic unit / control mo dule assembly is out of
specification. • ESP
® control module

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DTC Detecting Condition and Trouble Area
DTC Troubleshooting
DTC C1028: Master Cylinder Pressure Sensor Circuit FailureS7RS0B4604031
DTC Detecting Condition and Trouble Area
DTC TroubleshootingDTC Detecting Condition Trouble Area
Mechanical switch failure, fa ilure in switch wiring is
shorted to ground. • ESP
® OFF switch
• ESP ® OFF switch circuit
• ESP ® control module
Step Action YesNo
1 Was “Electronic Stability Pr ogram Check” performed? Go to Step 2.Go to “Electronic
Stability Program
System Check”.
2 Check ESP ® OFF switch condition
Is ESP
® OFF switch is OFF condition? Go to Step 3. ESP
® OFF switch
turned OFF condition
and recheck.
3 Check ESP ® OFF switch
1) Turn ignition switch to OFF position.
2) Remove ESP® OFF switch referring to “ESP ® OFF
Switch Removal and Installation”.
3) Check for proper connection at each terminal of ESP ®
OFF switch.
4) If OK, then check ESP ® OFF switch referring to “ESP ®
OFF Switch Inspection”.
Is it good condition? Go to Step 4. Replace ESP
® OFF
switch.
4 Check ESP ® OFF switch circuit
1) Disconnect ESP ® control module connector.
2) Check for proper connection to ESP ® control module
connector at “E85-7” terminal.
3) If OK, then check resistance between “E85-7” terminal and vehicle body ground.
Is resistance infinity? Substitute a known-
good ESP
® hydraulic
unit / control module
assembly and recheck. “LT GRN/RED” wire
circuit is shorted to
ground.
DTC Detecting Condition
Trouble Area
Input signal voltage from master cylinder pressure sensor
in ESP ® control module is too high or low. • Leakage or air in the hydraulic brake system
• Clearance between brake pad and disc too high
Step
Action YesNo
1 Was “Electronic Stability Pr ogram Check” performed? Go to Step 2.Go to “Electronic
Stability Program
System Check”.
2 Check brake system
1) Check brake system as follows.
• Leakage or air in the hydraulic brake system
• Clearance between brake pad and disc too high
Are they in good condition? Go to Step 3.
Repair, replace or
adjust.
3 Check sensor calibration
1) Calibrate master cylinder pressure sensor referring to
“Sensor Calibration”.
2) Clear all DTC(s) and recheck DTC.
Is DTC C1028 still detected? Substitute a known-
good ESP
® hydraulic
unit / control module
assembly recheck. Master cylinder
pressure sensor
calibration was
incompleted.

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DTC C1037: Steering Angle Sensor Power Supply FailureS7RS0B4604033
Wiring Diagram
DTC Detecting Condition and Trouble Area4
Check yaw rate / G sensor assembly power supply
circuit
1) Turn ignition switch to OFF position.
2) Disconnect ESP ® control module connector.
3) Check for proper connection to ESP ® control module
connector terminals at “E85-31” and “E85-37”.
4) If OK, then measure voltage between connector terminal “E85-37” and vehicle body ground.
Is it 0 V? Go to Step 5. “BLU/RED” wire circuit
is shorted to power
circuit.
5 Check yaw rate / G sensor assembly power supply
circuit
1) Measure resistance between the following points.
• Between terminal “E85-37” of module connector and terminal “E84-3” of sensor terminal.
• Between terminal “E85-31” of module connector and terminal “E84-5” of sensor terminal.
Are resistance less than 2
Ω? Substitute a known-
good ESP
® hydraulic
unit / control module
assembly recheck. “BLU/RED” and/or
“GRN/BLK” wire circuit
open or high resistance.
Step
Action YesNo
[A]
E85
161
15
2
3
4
5
6
7
8
9
10
11
12
13
14
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
3233
34
35
36
37
38
39
40
41
42
43
44
45
46
47
[C] G37
E46
124
53
67
891011121314124
53
67
891011
1213141516171819202122
WHTGRN
3
E85-13
E85-44REDWHT65E46-1E46-2
4 8
6
BLK/ORN
REDWHT
REDWHT
G37-4G37-2
G50-10G50-9
G50-2
6
2
1
7 910
G50-1
G50-3
GRN/ORN
WHT/RED
WHT
[B]
G50
109 321
I6RS0B460020-01
[A]: ESP® control module connector (viewed from
terminal side) 3. Ignition switch 8. ESP
® hydraulic unit control module assembly
[B]: Steering angle sensor connector (viewed from harness side) 4. Junction block assembly 9. Junction connector
[C]: BCM connector (viewed from harnes s side) 5. BCM (included in junction block
assembly) 10. To Combination meter and keyless start control
module
1. Battery 6. CAN driver
2. Main fuse box 7. Steering angle sensor
DTC Detecting Condition Trouble Area
Power supply voltage to steering angle sensor is to o low. • Steering angle sensor power supply circuit
• Steering angle sensor
• ESP® control module

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DTC Troubleshooting
DTC C1038: Steering Angle Sensor Detect Rolling Counter Failure from ESP® Control ModuleS7RS0B4604034
DTC Detecting Condition and Trouble AreaStep Action Yes No
1 Was “Electronic Stability Pr ogram Check” performed? Go to Step 2 Go to “Electronic
Stability Program
System Check”.
2 Check fuse
1) Check circuit fuses for steering angle sensor and its
circuit.
Is it good condition? Go to Step 3. Replace fuse and check
for short circuit to
ground.
3 Check steering angle sensor power supply circuit
1) Turn ignition switch to OFF position.
2) Disconnect steering angle sensor connector.
3) Check for proper connection to steering angle sensor
connector terminals at “G50-1”, “G50-2” and “G50-3”.
4) If OK, then measure voltage between connector terminal “G50-3” and vehicle body ground.
Is it 10 – 14 V? Go to Step 4. “WHT/RED” wire circuit
open.
4 Check steering angle sensor power supply circuit
1) Measure voltage between connector terminal “G50-1”
and vehicle body ground with ignition switch turned ON.
Is it 10 – 14 V? Go to Step 5. “GRN/ORN” wire circuit
open.
5 Check steering angle sensor ground circuit
1) Turn ignition switch to OFF position.
2) Measure resistance between connector terminal “G50-2”
and vehicle body ground.
Is resistance less than 2
Ω? Go to Step 6. “BLK/ORN” wire circuit
open or high resistance.
6 Check steering angle sensor
1) Connect steering angle sensor connector.
2) Check steering angle sensor referring to “Steering Angle
Sensor On-Vehicle Inspection”.
Is it good condition? Substitute a known-
good ESP
® hydraulic
unit / control module
assembly and recheck. Substitute a known-
good steering angle
sensor and recheck.
DTC Detecting Condition
Trouble Area
ESP ® control module rolling counte r failure is detected by
steering angle sensor. • CAN communication circuit
• Steering angle sensor
• ESP
® control module

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DTC C1057: ESP® Control Module Power Supply Circuit FailureS7RS0B4604053
Wiring Diagram
DTC Detecting Condition and Trouble Area
DTC Troubleshooting
[A]
E85
161
15
2
3
4
5
6
7
8
9
10
11
12
13
14
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
3233
34
35
36
37
38
39
40
41
42
43
44
45
46
47
WHT/BLU
1
2
3
12V
E85-1
BLKE85-16
E85-47BLK
I6RS0B460023-02
[A]: ESP
® control module connector (viewed from terminal side) 2. Main fuse box
1. Battery 3. ESP ® hydraulic unit / control module assembly
DTC Detecting Condition Trouble Area
• ESP ® control module power supply voltage is too high.
• ESP ® control module power supply voltage is too low. • ESP
® control module power supply circuit
• ESP ® control module
Step Action YesNo
1 Was “Electronic Stability Pr ogram Check” performed? Go to Step 2.Go to “Electronic
Stability Program
System Check”.
2 Check power supply circuit from battery
1) Disconnect ESP ® hydraulic unit / control module
connector with ignition switch turned OFF.
2) Check for proper connection to ESP ® control module
connector at terminals “E83-1”, “E85-16” and “E85-47”.
3) If OK, then turn ignition switch to ON position and measure voltage between terminals “E85-1” and “E85-
16”, “E85-47”.
Are voltage 9.7
± 0.3 V or more? Go to Step 5. Go to Step 3.
3 Check ESP ® control module ground circuit
1) Measure resistance between each terminal of “E85-16”, “E85-47” and vehicle body ground.
Is resistance less than 2
Ω? Go to Step 4. “BLK” wire circuit in
open or high resistance.
4 Check power supply circuit from battery
1) Measure voltage between positive battery terminal and
vehicle body ground with engine running.
Is voltage 9.7
± 0.3 V or more? Imperfect short between
“WHT/BLU” wire circuit
and vehicle body
ground.
Check charging system
referring to “Generator
Test (Undercharged
Battery Check) in
Section 1J”.

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3) Remove front brake pipe referring to “Front Brake Hose / Pipe Removal and In stallation in Section 4A”.
4) Remove ESP ® hydraulic unit / control module with
bracket from vehicle by removing bracket bolts.
5) Remove bolt (4) and pull out ESP ® hydraulic unit /
control module assembly (1) from bracket (3) using
flat end rod or the like (2).
Installation 1) Install hydraulic unit / co ntrol module assembly and
by reversing removal procedure.
Tightening torque
Brake pipe flare nut: 16 N·m (1.6 kgf-m, 11.5 lb-
ft)
ESP ® hydraulic unit / control module assembly
bolt: 9 N·m (0.9 kgf-m, 6.5 lb-ft)
ESP ® hydraulic unit / control module assembly
bracket bolt: 25 N·m (2.5 kgf-m, 18.0 lb-ft)
2) Bleed air from brake system referring to “Air Bleeding of Brake System in Section 4A”.
3) Check each installed part for fluid leakage.
4) Connect SUZUKI Scan Tool.
5) Turn ignition switch to ON position. And SLIP indicator lamp flush. (Other than replace with new
one) If other than SLIP indicator lamp light, check
DTC and repair it.
6) Turn ignition switch to ON position. And ESP®
warning lamp, SLIP indicator lamp, ESP ® OFF
lamp, Brake warning lamp lights and ABS warning
lamp flush. (Replace new one)
7) Check DTC.
NOTE
If any DTC(s) other than C1075, C1076 or
C1078 are detected, sensor calibration can
not be completed. Repair the detected it(s)
first.

8) Perform “Sensor Calibration”.
9) Perform “ESP ® Hydraulic Unit Operation Check”.
10) Turn ignition switch to OFF position once and then
ON position. In this state, make sure that indicator
light and warning light turns off.
11) Check DTC(s) are not stored in hydraulic unit / control module.
Front / Rear Wheel Speed Sensor On-Vehicle
Inspection
S7RS0B4606028
CAUTION!
Incorrect voltage and/or wrong connection
cause damage to wheel speed sensor.

Output Voltage Inspection
1) Disconnect negative (–) cable from battery.
2) Hoist vehicle a little.
3) Disconnect wheel speed sensor connector.
4) Disconnect wheel speed grommet from vehicle body.
5) Set up measuring devices as shown in figure, the resistance to 115 Ω and the power supply voltage
to12 V.
4
1
2 3
I6RS0B460030-02
[A]: Front wheel speed sensor 3. “WHT” wire terminal
[B]: Rear wheel speed sensor 4. “BLK” wire terminal
1. Wheel speed sensor connector 5. Power supply (12 V)
2. Resistance (115 Ω)
V
2
5
4 1
3
43
1
[A]
[B]
I6RS0B460031-02

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Visual InspectionS7RS0B5104002
Visually check the following parts and systems.
Malfunction Indicator Lamp (MIL) CheckS7RS0B5104003
Refer to the same item in “Malfunction Indicator Lam p (MIL) Check in Section 1A” for checking procedure.
Transmission Warning Light CheckS7RS0B5104004
1) Turn ignition switch ON.
2) Check that transmission warning light lights for about 2 – 4 sec. and then goes OFF.
If anything faulty is found, advance “Transmission Warn ing Light Circuit Check – Light Does Not Come “ON” at
Ignition Switch ON” or “Transmission Warning Light Circu it Check – Light Remains “ON” at Ignition Switch ON”.
Inspection item Referring
• A/T fluid ----- level, leakage, color “Automatic Transaxle Fluid Level Inspection in Section 0B”
• A/T fluid hoses ----- disconnection, looseness, deterioration “A/T Fluid Cooler Hoses Replacement”
• A/T select cable ----- installation “S elect Cable Removal and Installation”
• Engine oil ----- level, leakage “Engine Oil and Filter Change in Section 0B”
• Engine coolant ----- level, leakage “Engine Coolant Change in Section 0B”
• Engine mountings ----- play, looseness, damage “Engine Assembly Removal and Installation in Section 1D”
• Suspension ----- play, looseness “Suspension, Wheels and Tires Symptom Diagnosis in Section 2A”
• Drive shafts ----- damage “Front Drive Shaft Assembly On-Vehicle Inspection in Section 3A”
• Battery ----- indicator condition, corrosion of terminal “Battery Inspection in Section 1J”
• Connectors of electric wire harness ----- disconnection, friction “Electronic Shift Control System Components
Location”
• Fuses ----- burning
• Parts ----- installation, damage
• Bolts ----- looseness
• Other parts that can be checked visually
Also check the following items at engine start, if possible.
• Transmission warning light (if equipped) ----- Operation “Transmission Warning Light Check”
• Malfunction indicator lamp ----- Operation “Malfunction Indicator Lamp (MIL) Check”
• Charge warning lamp ----- Operation “Generator Symptom Diagnosis in Section 1J”
• Engine oil pressure warning lamp ----- Operation “Oil Pressure Warning Ligh t Symptom Diagnosis in
Section 9C”
• Engine coolant temp. meter ----- Operation “Engine Coolant Temperature (ECT) Meter
Symptom Diagnosis in Section 9C”
• Other parts that can be checked visually
I4RS0A510008-01