2006 SUZUKI SX4 fuse box connector

Downloaded from www.Manualslib.com manuals search engine Engine General Information and Diagnosis: 1A-147
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 1A-160 Engine General Information and Diagnosis:
DTC P2135: Throttle Position Sensor (Main / Sub) Voltage CorrelationS6RW0D1104066
Wiring Diagram9Ground circuit check
1) Remove ECM from its bracket with ECM connectors
connected.
2) Check for proper connection of ECM connector at “E01-
51” terminal.
3) If OK, measure resistance between “E01-51” terminal of
ECM connector and engine ground.
Is resistance below 5
Ω?“WHT” wire is open or
high resistance circuit.Faulty ECM ground
circuit. If circuit is OK,
substitute a known-
good ECM and recheck.
10APP sensor assembly check
1) Check APP sensor (sub) referring to “Accelerator Pedal
Position (APP) Sensor Assembly Inspection in Section
1C”.
Is output voltage within specified value?Substitute a known-
good ECM and recheck.Replace APP sensor
assembly. 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/YEL
12BLK/YEL
BLK/YEL
BRN/WHT
E01-1
E01-60
C01-58
C01-15 C01-30
BLK/ORN
BLKBLKE01-31 BLK
BLK/RED
RED
BRN
BLU
GRN
GRNGRY
WHT
BLK
GRY
BLK/REDE01-16
E01-45
E01-32
C01-45
C01-44
C01-43
C01-54
C01-40
C01-42
C01-41
1-1
1-2
1-33
45
867
109
E01-29 GRNBLK/WHT
WHT
YEL
I6RW0D110049-02
1. Electric throttle body assembly 3. ECM 8. “IGN” fuse
1-1. Throttle actuator 4. Main relay 9. “IG COIL” fuse
1-2. Throttle position sensor (main) 5. Individual circuit fuse box No.1 10. Ignition switch
1-3. Throttle position sensor (sub) 6. “THR MOT” fuse
2. Throttle actuator control relay 7. “FI” fuse

Downloaded from www.Manualslib.com manuals search engine 1A-194 Engine General Information and Diagnosis:
Troubleshooting
NOTE
• Before performed trouble shooting, be sure to read the “Precautions of ECM Circuit Inspection”.
• When measuring circuit voltage, resistance and/or pulse signal at ECM connector, connect the
special tool to ECM and/or the ECM connectors referring to “Inspection of ECM and Its Circuits”.

Step Action Yes No
1Circuit fuse check
1) Disconnect connectors from ECM with ignition switch
turned OFF.
2) Check for proper connection to ECM connector at “E01-
2”, “E01-29”, “E01-60”, “E01-1”, “E01-16”, “E01-31”,
“C01-58”, “C01-15” and “C01-30” terminals.
3) If OK, check “DOME” fuse and “IG COIL” fuse for
blowing.
Are “DOME” fuse and “IG COIL” 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 “E01-2” terminal of ECM
connector and body ground.
Is voltage 10 – 14 V?Go to Step 3. “WHT/RED” or “WHT”
wire is open circuit.
3Ignition signal check
1) Turn ignition switch to ON position.
2) Measure voltage between “E01-29” terminal of ECM
connector and body ground.
Is voltage 10 – 14 V?Go to Step 4. “BLK/WHT” or “GRN”
wire is open circuit.
4Main relay circuit check
1) Turn ignition switch to OFF position.
2) Check “FI” fuse (1) (15 A) in individual circuit fuse box
No.1 for blowing.
3) If OK, measure voltage between “E01-60” terminal of
ECM connector and body ground.
Is voltage 10 – 14 V?Go to Step 5. Go to Step 9.
5Main relay circuit check
1) Connect connectors to ECM with ignition switch turned
OFF.
2) Turn ignition switch to ON position.
3) Measure voltage between “E01-60” terminal of ECM
connector and body ground.
Is voltage 0 – 1 V?Go to Step 7. Go to Step 6.
1
I5RW0A110058-02

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

Downloaded from www.Manualslib.com manuals search engine 1A-196 Engine General Information and Diagnosis:
Fuel Injector Circuit CheckS6RW0D1104074
Wiring Diagram11Sensor power source circuit check
1) Connect connectors to ECM with ignition switch turned
OFF.
2) Turn ON ignition switch, measure each voltage between
“C01-14”, “E01-35”, “E01-34” and “C01-43” terminal of
ECM connector and vehicle body ground.
Is each voltage 4 – 6 V?ECM power and ground
circuit is in good
condition.Go to Step 12.
12Sensor power source circuit check
1) Disconnect connectors from ECM, TP sensor, MAP
sensor, A/C refrigerant pressure sensor (if equipped with
A/C) and APP sensor with ignition switch turned OFF.
2) Measure each resistance between “C01-14”, “E01-35”,
“E01-34” and “C01-43” terminal of ECM connector and
vehicle body ground.
Is each resistance infinity?Check internal short
circuit of TP sensor,
MAP sensor, A/C
refrigerant pressure
sensor (if equipped with
A/C) and/or APP
sensor.“GRY/RED”, “BRN” and/
or “RED” wire is shorted
to ground circuit. Step Action Yes No
BLK/WHT
BLK/RED
BLK/RED
WHTBLK/YELBLK/YEL
BLK/YEL
GRN
BRN/WHT
12V5V
9
2 83E01-29
E01-1
E01-60
10 11
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
C01-1
C01-2
C01-16
C01-17
BLK/REDBLK/RED
BLU/YEL
BLU/RED
BLU/ORN
BLU/WHT
E01-16
4
5
6
71
C01-58
C01-15 C01-30
BLK/ORN
BLKBLKBLKE01-31
I6RW0D110053-01
1. Main fuse box 4. No.1 injector 7. No.4 injector 10. “FI” fuse
2. Main relay 5. No.2 injector 8. “IG COIL” fuse 11. “IGN” fuse
3. ECM 6. No.3 injector 9. Ignition switch

Downloaded from www.Manualslib.com manuals search engine Engine General Information and Diagnosis: 1A-199
Troubleshooting
NOTE
• Before performed trouble shooting, be sure to read the “Precautions of ECM Circuit Inspection”.
• When measuring circuit voltage, resistance and/or pulse signal at ECM connector, connect the
special tool to ECM and/or the ECM connectors referring to “Inspection of ECM and Its Circuits”.

Step Action Yes No
1Fuel pump control system check for operation
Is fuel pump heard to operate 2 sec. after ignition switch is
turned ON?Fuel pump circuit is in
good condition.Go to Step 2.
2Fuel pump relay power supply check
1) Disconnect fuel pump relay from individual circuit fuse
box No.1 with ignition switch turned OFF.
2) Check for proper connection to fuel pump relay at each
terminal.
3) If OK, turn ON ignition switch, measure voltage between
“BLK/WHT” wire terminal of fuel pump relay connector
and engine ground.
Is voltage 10 – 14 V?Go to Step 3. “BLK/WHT” wire is open
or shorted to ground
circuit.
3Fuel pump relay power supply check
1) Turn ON ignition switch, measure voltage between “BLK/
RED” wire terminal of fuel pump relay connector and
engine ground.
Is voltage 10 – 14 V?Go to Step 4. “BLK/RED” wire is open
circuit.
4Fuel pump relay check
1) Check fuel pump 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 relay in good condition?Go to Step 5. Faulty relay.
5Fuel pump relay drive signal check
1) Connect fuel pump relay to individual circuit fuse box
No.1.
2) Connect voltmeter between “E01-15” terminal of ECM
connector and vehicle body ground.
3) Measure voltage 2 second after ignition switch is turned
ON.
Is voltage 10 – 14 V?Go to Step 6. “GRN/WHT” wire is
open circuit or shorted
to ground circuit.
I2RH01110132-01

Downloaded from www.Manualslib.com manuals search engine Engine General Information and Diagnosis: 1A-203
Troubleshooting
Step Action Yes No
1Check A/C condenser fan control system
Is A/C condenser fan started when A/C is operating?Intermittent trouble.
Check for intermittent
referring to “Intermittent
and Poor Connection
Inspection in Section
00”.Go to Step 2.
2Check A/C condenser fan relay and its circuit
1) Connect scan tool to DLC with ignition switch OFF.
2) Check pending DTC and DTC with scan tool.
Is DTC P0481 displayed?Go to “DTC P0481:
Cooling Fan 2 (A/C
Condenser Fan) Control
Circuit”.Go to Step 3.
3Check A/C refrigerant
1) Check amount of A/C refrigerant referring to “A/C
System Performance Inspection in Section 7B”.
Is it good condition?Go to Step 4. Recharge refrigerant.
4Check wire circuit
1) Disconnect A/C condenser cooling fan control relay from
individual circuit fuse box No.1 with ignition switch
turned OFF.
2) Turn ON ignition switch, measure voltage between
engine ground and “BLU/YEL” wire terminal of A/C
condenser cooling fan control relay connector.
Is voltage 10 – 14V?Go to Step 7. Go to Step 5.
5Check wire circuit
1) Disconnect A/C compressor control relay from individual
circuit fuse box No.1 with ignition switch turn OFF.
2) Turn ON ignition switch, measure voltage between
engine ground and “BLU/YEL” wire terminal of A/C
compressor control relay connector.
Is voltage 10 – 14 V?Faulty A/C compressor
control relay.Go to Step 6.
6Check wire circuit
1) Remove “A/C” fuse “20 A” from individual circuit fuse box
No.1 with ignition switch turned OFF.
2) Measure resistance between “BLU/YEL” wire terminal of
main fuse connector and engine ground.
Is resistance infinity?Open wire in “BLU/YEL”
circuit. If OK, go to Step
7.“BLU/YEL” wire shorted
to ground circuit.
7Check wire circuit
1) Disconnect connector from A/C condenser cooling fan
with ignition switch tun OFF.
2) Measure resistance between engine ground and “RED”
wire terminal of A/C condenser fan connector.
Is resistance infinity?Go to Step 8. “RED” wire shorted to
ground circuit.
8Check A/C condenser cooling fan control relay
1) Check A/C condenser cooling fan control relay referring
to “A/C System Relay Inspection in Section 7B”.
Is result in good condition?Go to Step 9. Replace relay.