Starting motor SUZUKI SX4 2006 1.G Service User Guide

Downloaded from www.Manualslib.com manuals search engine 1A-42 Engine General Information and Diagnosis:
CANIST PRG DUTY (EVAP CANISTER PURGE FLOW
DUTY, %)
This parameter indicates valve ON (valve open) time
rate within a certain set cycle of EVAP canister purge
valve which controls the amount of EVAP purge.
IGNITION ADVANCE (IGNITION TIMING ADVANCE
FOR NO.1 CYLINDER, °)
Ignition timing of No.1 cylinder is commanded by ECM.
The actual ignition timing should be checked by using
the timing light.
EGR VALVE OPENING (%)
This parameter indicates opening rate of EGR valve
which controls the amount of EGR flow.
VVT GAP (TARGET-ACTUAL POSITION, °) (VVT
model)
It is calculated using the formula: target valve timing
advance – actual valve timing advance.
FUEL PUMP (ON/OFF)
ON is displayed when ECM activates the fuel pump via
the fuel pump relay switch.
STARTER SW (STARTER SWITCH, ON/OFF)
This parameter indicates condition of starting motor relay
output.
ON: Starting motor relay is ON
OFF: Starting motor relay is OFF
A/C PRESSURE (A/C REFRIGERANT ABSOLUTE
PRESSURE, kPa)
This parameter indicates A/C refrigerant absolute
pressure calculated by ECM.
A/C SWITCH (ON/OFF)
ON: Command for A/C operation being output from ECM
to HVAC.
OFF: Command for A/C operation not being output.
A/C COMP RELAY (A/C COMPRESSOR RELAY, ON/
OFF)
This parameter indicates the state of the A/C switch.
BLOWER FAN (ON/OFF)
This parameter indicates the state of the blower fan
motor switch.
ELECTRIC LOAD (ON/OFF)
ON: Headlight or small light ON signal inputted.
OFF: Above electric loads all turned OFF.
RADIATOR COOLING FAN (RADIATOR COOLING
FAN CONTROL RELAY, ON/OFF)
ON: Command for radiator cooling fan control relay
operation being output.
OFF: Command for relay operation not being output.A/C COND FAN (A/C CONDENSER COOLING FAN
CONTROL RELAY, ON/OFF)
ON: Command for A/C condenser cooling fan control
relay operation being output.
OFF: Command for relay operation not being output.
TP SENSOR 1 VOLT (THROTTLE POSITION SENSOR
(MAIN) OUTPUT VOLTAGE, V)
The Throttle Position Sensor (Main) reading provides
throttle valve opening information in the form of voltage.
TP SENSOR 2 VOLT (THROTTLE POSITION SENSOR
(SUB) OUTPUT VOLTAGE, V)
The Throttle Position Sensor (Sub) reading provides
throttle valve opening information in the form of voltage.
APP SENSOR 1 VOLT (ACCELERATOR PEDAL
POSITION (APP) SENSOR (MAIN) OUTPUT
VOLTAGE, V)
The Accelerator Pedal Position (APP) Sensor (Main)
reading provides accelerator pedal opening information
in the form of voltage.
APP SENSOR 2 VOLT (ACCELERATOR PEDAL
POSITION (APP) SENSOR (SUB) OUTPUT VOLTAGE,
V)
The Accelerator Pedal Position (APP) Sensor (Sub)
reading provides accelerator pedal opening information
in the form of voltage.
ACCEL POSITION (RELATIVE ACCELERATOR
PEDAL POSITION, %)
When accelerator pedal is at fully released position,
accelerator pedal is indicated as 0 – 3% and 90 – 100%
fully depressed position.
TARGET THROTTLE POSI (TARGET THROTTLE
VALVE POSITION, %)
Target Throttle Valve Position is ECM internal parameter
which indicates the ECM requested throttle valve
position.
IAC THROTTLE OPENING (IDLE AIR (SPEED)
CONTROL THROTTLE VALVE OPENING, %)
This parameter indicates throttle valve opening of idle air
control in %.
(100% indicates the maximum idle air flow.)
THROTTLE MOTOR VOLT (V)
This parameter indicates power supply voltage of throttle
actuator (motor) control circuit (input voltage from
throttle actuator control relay).
CLOSED THROTTLE POS (CLOSED THROTTLE
POSITION, ON/OFF)
This parameter reads ON when throttle valve is fully
closed, or OFF when it is not fully closed.

Downloaded from www.Manualslib.com manuals search engine 1A-114 Engine General Information and Diagnosis:
DTC P0335: Crankshaft Position (CKP) Sensor CircuitS6RW0D1104041
Wiring Diagram
DTC Detecting Condition and Trouble Area7Knock sensor circuit for high resistance check
1) Turn OFF ignition switch, measure resistance between
“C01-56” terminal of ECM connector and “RED” wire
terminal of knock sensor harness connector.
Is resistance below 5
Ω?Faulty knock sensor. “RED” wire is high
resistance circuit. Step Action Yes No
E01C01
3 4
18 19 5 6 7 10 11
17 20
47 46 49 50 51 21 22
5216 259
24 14
29
55 57 54 53 59
60 582
26 27 28 15
30
56 4832 31 34 35 36 37 40 42 39 38 44
45 43 41 331 12 13
238 3 4
18 19 5 6 7 10 11
17 20
47 46 49 50 51 21 22
5216 259
24 14
29
55 57 54 53 59
60 582
26 27 28 15
30
56 4832 31 34 35 36 37 40 42 39 38 44
45 43 41 331 12 13
238
12V
5VBLK/REDBLK/RED
BLK/RED
BLK/YELBLK/YEL
BLK/YEL
BRN/WHT
5
84 123E01-29
E01-1
E01-60
C01-58
C01-15 C01-30
BLK/ORN
BLKBLK
9
BLK/REDE01-16
BLK/ORN
1
14
C01-21 5V
7
RED/WHTGRN/WHT
GRN
RED
E01-30
C01-48
BLK/WHT
YEL/GRN
YEL/GRN
WHT
6 11
10
13
PNK
2
WHT
WHT/BLU
BLKE01-31
I6RW0D110036-01
1. CKP sensor 6. Starting motor 11. “ST SIG” fuse
2. Sensor plate on crankshaft 7. Starting motor control relay 12. “IG COIL” fuse
3. ECM 8. Main fuse box 13. “IGN” fuse
4. Main relay 9. “FI” fuse 14. To CMP sensor
5. Ignition switch 10. “ST MOT” fuse
DTC detecting condition Trouble area
No CKP sensor signal for 2 sec. even if starting motor
signal is inputted at engine cranking.
(1 driving cycle detection logic)• CKP sensor circuit open or short
• Sensor plate teeth damaged
• CKP sensor malfunction, foreign material being attached
or improper installation
•ECM
• Engine start signal circuit malfunction

Downloaded from www.Manualslib.com manuals search engine 1A-116 Engine General Information and Diagnosis:
DTC P0340: Camshaft Position (CMP) Sensor CircuitS6RW0D1104042
Wiring Diagram5Ground circuit check
1) Turn ignition switch to OFF position.
2) Measure resistance between “BLK/ORN” wire terminal
of CKP sensor connector and engine ground.
Is measured resistance value less than 3
Ω?Go to Step 6. “BLK/ORN” wire is open
or high resistance.
6Was terminal “B+” voltage in Step 3 within specification?Go to Step 7. “BLK/RED” wire is open
circuit. If wire and
connection are OK,
substitute a known-
good ECM and recheck.
7Engine start signal check
1) Check starting motor circuit for opening and short
referring to Step 2 of “DTC P0616: Starter Relay Circuit
Low” and Step 3 and 4 of “DTC P0617: Starter Relay
Circuit High”.
Is check result satisfactory?Go to Step 8. Repair or replace.
8CKP sensor check
1) Check CKP sensor and sensor plate tooth referring to
“Camshaft Position (CMP) Sensor Inspection in Section
1C”.
Is check result satisfactory?Substitute a known-
good ECM and recheck.Replace CKP sensor
and/or sensor plate. Step Action Yes No
E01C01
3 4
18 19 5 6 7 10 11
17 20
47 46 49 50 51 21 22
5216 259
24 14
29
55 57 54 53 59
60 582
26 27 28 15
30
56 4832 31 34 35 36 37 40 42 39 38 44
45 43 41 331 12 13
238 3 4
18 19 5 6 7 10 11
17 20
47 46 49 50 51 21 22
5216 259
24 14
29
55 57 54 53 59
60 582
26 27 28 15
30
56 4832 31 34 35 36 37 40 42 39 38 44
45 43 41 331 12 13
238
12V
5VBLK/REDBLK/RED
BLK/RED
BLK/YELBLK/YEL
BLK/YEL
BRN/WHT
5
64 83
E01-29
E01-1
E01-60
C01-58
C01-15 C01-30
BLK/ORN
BLKBLK
7BLK/REDE01-16
BLK/ORN
1
10
C01-20 5V
GRNBLK/WHT
9
WHT
*E01-31 BLK
2
RED/YEL
I6RW0D110032-02
1. CMP sensor 3. ECM 5. Ignition switch 7. “FI” fuse 9. “IGN” fuse
2. Signal rotor 4. Main relay 6. Main fuse box 8. “IG COIL” fuse 10. To CKP sensor

Downloaded from www.Manualslib.com manuals search engine 1A-140 Engine General Information and Diagnosis:
DTC Troubleshooting
NOTE
Before this troubleshooting is performed, read the precautions for DTC troubleshooting referring to
“Precautions for DTC Troubleshooting”.

DTC P0616: Starter Relay Circuit LowS6RW0D1104054
Wiring DiagramStep Action Yes No
1DTC recheck
1) Clear DTC referring to “DTC Clearance”.
2) Turn OFF ignition switch.
3) Turn ON ignition switch and check DTC.
Is DTC P0601 or P0607 still indicated?Go to Step 2. Intermittent trouble.
Check for intermittent
referring to “Intermittent
and Poor Connection
Inspection in Section
00”.
2ECM reprogramming check
Was reprogramming of ECM executed?Execute reprogramming
of ECM correctly once
again.Go to step 3.
3ECM power and ground circuit check
1) Check that ECM power supply circuit and ECM ground
circuit is in good condition referring to “ECM Power and
Ground Circuit Check”.
Are check results OK?Substitute a known-
good ECM and recheck.Repair ECM power or
ground circuit.
E01C01
3 4
18 19 5 6 7 10 11
17 20
47 46 49 50 51 21 22
5216 259
24 14
29
55 57 54 53 59
60 582
26 27 28 15
30
56 4832 31 34 35 36 37 40 42 39 38 44
45 43 41 331 12 13
238 3 4
18 19 5 6 7 10 11
17 20
47 46 49 50 51 21 22
5216 259
24 14
29
55 57 54 53 59
60 582
26 27 28 15
30
56 4832 31 34 35 36 37 40 42 39 38 44
45 43 41 331 12 13
238
3
461E01-29
C01-58
C01-15 C01-30
BLK/ORN
BLKBLK
5
RED/WHTGRN/WHT
GRN
RED
E01-30
C01-48
BLK/WHT
YEL/GRN
YEL/GRN
WHT
2 7
8 9WHT
WHT/BLU
BLKE01-31
I6RW0D110045-01
1. ECM 4. Main fuse box 7. “ST SIG” fuse
2. Starter motor 5. Starting motor control relay 8. “ST MOT” fuse
3. Ignition switch 6. “IG COIL” fuse 9. “IGN” fuse

Downloaded from www.Manualslib.com manuals search engine 1A-142 Engine General Information and Diagnosis:
DTC Troubleshooting
NOTE
Before this troubleshooting is performed, read the precautions for DTC troubleshooting referring to
“Precautions for DTC Troubleshooting”.

Step Action Yes No
1Was “Engine and Emission Control System Check”
performed?Go to Step 2. Go to “Engine and
Emission Control
System Check”.
2Starter signal check
1) Turn OFF ignition switch.
2) Remove ECM from its bracket with ECM connectors
connected.
3) Start engine, measure voltage between “C01-48”
terminal of ECM connector and vehicle body ground.
Is voltage 0 – 1 V?Intermittent trouble.
Check for intermittent
referring to “Intermittent
and Poor Connection
Inspection in Section
00”. If OK, substitute a
known-good ECM and
recheck.Go to Step 3.
3Wire circuit check
1) Disconnect starting motor control relay in individual
circuit fuse box No.1 with ignition switch turned OFF.
2) Check for proper connection to starting motor control
relay at “RED/WHT”, “RED”, “WHT”, and “YEL/GRN”
wire terminals.
3) Disconnect connector from starting motor.
4) Measure voltage between “C01-48” terminal of ECM
connector and vehicle body ground with ignition switch
turned ON.
Is voltage 0 – 1 V?Go to Step 4. “YEL/GRN” wire is
shorted to power circuit.
If wires are OK,
substitute a known-
good ECM and recheck.
4Wire circuit check
1) Measure voltage between “RED/WHT” wire terminal of
starting motor control relay connector and vehicle body
ground with ignition switch turned ON.
Is voltage 0 – 1 V?Check starting motor
control relay. If OK,
substitute a known-
good ECM and recheck.Faulty ignition switch,
check ignition switch
referring to “Ignition
Switch Inspection in
Section 9C”.
If ignition switch is OK,
check for short circuit
between ignition switch
and starting motor
control relay to power
circuit.

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DTC P2103: Throttle Actuator Control Motor Circuit HighS6RW0D1104059
Wiring Diagram
Refer to “DTC P2101: Throttle Actuator Control Motor Circuit Range / Performance”.
DTC Detecting Condition and Trouble Area
DTC Confirmation Procedure
1) With ignition switch turned OFF, connect scan tool.
2) Turn ON ignition switch and clear DTC using scan tool.
3) Ignition switch turned OFF for 20 sec. or more.
4) Turn ON ignition switch and check DTC.4Throttle actuator control relay circuit check
1) Remove throttle actuator control relay from individual
circuit fuse box No.1 with ignition switch turned OFF.
2) Check for proper connection to throttle actuator control
relay at “BLK/RED”, “GRY”, “BRN” and “GRN” wire
terminals.
3) Measure voltage between engine ground and each
“BLK/RED”, “GRY” wire terminal with ignition switch
turned ON.
Is each voltage 10 – 14 V?Go to Step 5. “BLK/RED” wire and/or
“GRY” wire is open or
high resistance.
5Throttle actuator control relay circuit check
1) Disconnect connectors from ECM with ignition switch
turned OFF.
2) Measure resistance at following connector terminals.
• Between “BRN” wire terminal of throttle actuator
control relay connector and “E01-45” terminal of ECM
connector
• Between “GRN” wire terminal of throttle actuator
control relay connector and “E01-32” terminal of ECM
connector
Is each resistance below 5
Ω?Go to Step 6. “BRN” wire and/or
“GRN” wire is open or
high resistance.
6Throttle actuator control relay check
1) Check throttle actuator control relay referring to “Main
Relay, Fuel Pump Relay, Starting Motor Control Relay,
Throttle Actuator Control Relay and Radiator Cooling
Fan Relay Inspection in Section 1C”.
Is it in good condition?Substitute a known-
good ECM and recheck.Replace throttle
actuator control relay. Step Action Yes No
DTC detecting condition Trouble area
Power supply voltage of throttle actuator control circuit is higher than
specified value for specified time even if throttle actuator control relay is
turned off.
(1 driving detection logic)• Throttle actuator control relay circuit
• Throttle actuator control relay
•ECM

Downloaded from www.Manualslib.com manuals search engine 1A-148 Engine General Information and Diagnosis:
DTC Troubleshooting
NOTE
Before this troubleshooting is performed, read the precautions for DTC troubleshooting referring to
“Precautions for DTC Troubleshooting”.

DTC P2111: Throttle Actuator Control System - Stuck OpenS6RW0D1104060
Wiring Diagram
Refer to “DTC P2101: Throttle Actuator Control Motor Circuit Range / Performance”.
DTC Detecting Condition and Trouble Area
DTC Confirmation Procedure
1) With ignition switch turned OFF, connect scan tool.
2) Turn ON ignition switch and clear DTC using scan tool.
3) Ignition switch turned OFF for 20 sec. or more.
4) Turn ON ignition switch and check DTC. Step Action Yes No
1Was “Engine and Emission Control System Check”
performed?Go to Step 2. Go to “Engine and
Emission Control
System Check”.
2Throttle actuator control relay circuit check
1) Remove throttle actuator control relay from individual
circuit fuse box No.1 with ignition switch turned OFF.
2) Check for proper connection to throttle actuator control
relay at “BLK/RED”, “GRY”, “BRN” and “GRN” wire
terminals.
3) Turn ON ignition switch.
4) Measure voltage between engine ground and “E01-32”
terminal of ECM connector.
Is voltage 0 V?Go to Step 3. “GRN” wire is shorted to
other circuit.
3Throttle actuator control relay circuit check
1) Disconnect connectors from ECM with ignition switch
turned OFF.
2) Measure resistance between engine ground and “E01-
45” terminal of ECM connector.
Is resistance infinity?Go to Step 4. “BRN” wire is shorted to
ground circuit.
4Throttle actuator control relay check
1) Check throttle actuator control relay referring to “Main
Relay, Fuel Pump Relay, Starting Motor Control Relay,
Throttle Actuator Control Relay and Radiator Cooling
Fan Relay Inspection in Section 1C”.
Is it in good condition?Substitute a known-
good ECM and recheck.Replace throttle
actuator control relay.
DTC detecting condition Trouble area
Throttle position does not change by specified value during diagnosing throttle
valve at ignition switch turned OFF.
(1 driving detection logic)• Electric throttle body assembly
•ECM

Downloaded from www.Manualslib.com manuals search engine Engine General Information and Diagnosis: 1A-177
C01-48YEL/
GRNStarting motor
signal0 – 1 V Ignition switch turned ON.
—
6 – 14 V While engine cranking.
C01-49 — — — — —
C01-50WHT/
BLUGround of ECM for
shield wireBelow 0.3 V Ignition switch turned ON. —
C01-51 — — — — —
C01-52 — — — — —
C01-53RED/
BLKManifold absolute
pressure (MAP)
sensor signal (if
equipped)Approx. 4 V
(“Reference
waveform No.17: ”)Ignition switch turned ON
with barometric pressure
at 100 kPa, 760 mmHg.
—
0.4 – 2.0 V
(“Reference
waveform No.18: ”)While engine running at
specified idle speed after
warmed up with
barometric pressure at
100 kPa, 760 mmHg.
C01c01-
54GRNThrottle position
sensor (main)
signal0.75 – 1.08 VIgnition switch turned ON
and accelerator pedal at
idle position after warmed
up engine.
—
3.67 – 4.24 V
(“Reference
waveform No.29: ”)Ignition switch turned ON
and accelerator pedal at
full depressed position
after warmed up engine.
C01-55GRY/
BLUGround for sensors Below 0.3 V Ignition switch turned ON. —
C01-56 REDKnock sensor
signal2 – 3 V
(“Reference
waveform No.19: ”
and “Reference
waveform No.20: ”)Ignition switch turned ON.
— Engine running at 4000 r/
min. after warmed up.
C01-57 ORN Ground for sensors Below 0.3 V Ignition switch turned ON. —
C01-58BLK/
ORNGround for ECM Below 0.3 V Ignition switch turned ON. —
C01-59GRN/
WHTOil control valve
ground (for engine
with VVT system)Below 1.3 V Ignition switch turned ON. —
C01-60GRN/
REDOil control valve
output (for engine
with VVT system)*0 – 0.6 V
↑↓
10 – 14 V
(“Reference
waveform No.21: ”
and “Reference
waveform No.22: ”)At the moment of ignition
switch turned ON.Output signal is active
high pulse. Duty ratio
varies depending on
vehicle condition. Terminal
No.Wire
colorCircuit Normal voltage Condition Remarks
Terminal
No.Wire
colorCircuit Normal voltage Condition Remarks
E01-1BLK/
REDMain power supply 10 – 14 V Ignition switch turned ON. —
E01-2WHT/
REDPower source for
ECM internal
memory10 – 14 V Ignition switch turned ON. —
E01-3 REDCAN (high)
communication line
(active high signal)
to ABS control
module*2.5 – 4.5 V
(“Reference
waveform No.23: ”)Ignition switch turned ON
with engine at stop.CAN communication line
signal is pulse. Pulse
signal displayed with a
regular frequency with
varies depending on
engine condition.

Downloaded from www.Manualslib.com manuals search engine Engine General Information and Diagnosis: 1A-179
E01-26RED/
BLUEPS signal10 – 14 V Ignition switch turned ON.
—
0 – 1 VWith engine running at idle
speed, and steering wheel
turned to the right or left as
far as it stops.
E01-27 — — — — —
E01-28YEL/
BLKSerial
communication line
for immobilizer coil
antenna10 – 14 V Ignition switch turned ON. —
E01-29BLK/
WHTIgnition switch
signal0 – 1 V Ignition switch turned OFF.
—
10 – 14 V Ignition switch turned ON.
E01-30 WHTStarting motor
control relay output0 – 1 V Ignition switch turned ON.
—
0 – 1 VIgnition switch is turned to
ST (engine cranking)
position.
E01-31 BLK Ground for ECM Below 0.3 V Ignition switch turned ON. —
E01-32 GRNPower supply of
throttle actuator
drive circuit10 – 14 V Ignition switch turned ON. —
E01-33 — — — — —
E01-34 REDOutput for 5 V
power source of
APP sensor (sub)4.5 – 5.5 V Ignition switch turned ON. —
E01-35 BRNOutput for 5 V
power source of
APP sensor (main)4.5 – 5.5 V Ignition switch turned ON. —
E01-36 YELAPP sensor (sub)
signal0.37 – 0.38 VIgnition switch turned ON
and accelerator pedal at
idle position after warmed
up engine.
—
1.70 – 2.00 V
(“Reference
waveform No.30: ”)Ignition switch turned ON
and accelerator pedal at
full depressed position
after warmed up engine.
E01-37 GRNAPP sensor (main)
signal0.75 – 0.85 VIgnition switch turned ON
and accelerator pedal at
idle position after warmed
up engine.
—
3.46 – 4.24 V
(“Reference
waveform No.30: ”)Ignition switch turned ON
and accelerator pedal at
full depressed position
after warmed up engine.
E01-38 — — — — —
E01-39 — — — — —
E01-40 — — — — —
E01-41 — — — — —
E01-42 — — — — —
E01-43 — — — — —
E01-44 — — — — —
E01-45 BRNThrottle actuator
control relay output0 – 1 V Ignition switch turned ON. — Terminal
No.Wire
colorCircuit Normal voltage Condition Remarks

Downloaded from www.Manualslib.com manuals search engine Engine General Information and Diagnosis: 1A-195
6ECM ground circuit check
1) Turn ignition switch to OFF position.
2) Disconnect connectors from ECM.
3) Measure resistance between each “E01-31”, “C01-58”,
“C01-15” and “C01-30” terminals of ECM connector and
body ground.
Is resistance 1
Ω or less?Substitute a known-
good ECM and recheck.“BLK/ORN” or “BLK”
wire is open or high
resistance circuit.
7Main relay circuit check
1) Disconnect connectors from ECM with ignition switch
turned OFF.
2) Using service wire, ground “E01-60” terminal of ECM
connector and measure voltage between each “E01-1”
and “E01-16” terminals of ECM connector and body
ground.
Is voltage 10 – 14 V?Go to Step 11. Go to Step 8.
8Main relay circuit check
1) Remove main relay (1) from individual circuit fuse box
No.1.
2) Check for proper connection to main relay connector at
“BLK/YEL” and “BLK/RED” wire terminals.
3) If OK, measure resistance between each “E01-1” and
“E01-16” wire terminals of ECM connector and “BLK/
RED” wire terminal of main relay connector.
Is resistance 1
Ω or less?Go to Step 9. “BLK/RED” wire is open
circuit or high resistance
circuit.
9Main relay circuit check
1) Remove main relay from individual circuit fuse box No.1
with ignition switch turned OFF.
2) Measure voltage between “BLK/YEL” wire terminal of
main relay connector and body ground.
Is voltage 10 – 14 V?Go to Step 10. “BLK/YEL” wire is open
circuit.
10Main relay check
1) Check main relay referring to “Main Relay, Fuel Pump
Relay, Starting Motor Control Relay, Throttle Actuator
Control Relay and Radiator Cooling Fan Relay
Inspection in Section 1C”.
Is main relay in good condition?“BRN/WHT” wire is
open or high resistance
circuit.Replace main relay. Step Action Yes No
1
I5RW0A110059-02