2006 SUZUKI SX4 ecm terminal

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 Engine General Information and Diagnosis: 1A-115
DTC Confirmation Procedure
1) With ignition switch turned OFF, connect scan tool.
2) Turn ON ignition switch and clear DTC using scan tool.
3) Crank engine for 3 – 5 sec.
4) Check DTC and pending DTC.
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”.
2CKP sensor and connector for proper installation check
Is CKP sensor installed properly and connector connected
securely?Go to Step 3. Correct.
3Wire harness and connection check
1) Disconnect connector from CKP sensor with ignition
switch turned OFF.
2) Check for proper connection to CKP sensor at “BLK/
RED”, “PNK” and “BLK/ORN” wire terminals.
3) If OK, turn ON ignition switch and check voltage at “BLK/
RED”, “PNK” and “BLK/ORN” wire terminals of
disconnected CKP sensor connector.
CKP sensor voltage
Terminal “B+”: 10 – 14 V
Terminal “Vout”: 4 – 5 V
Terminal “GND”: 0 V
Is check result satisfactory?Go to Step 7. Go to Step 4.
4Was terminal “Vout” voltage in Step 3 within specification?Go to Step 5. “PNK” wire is open or
shorted to ground /
power supply circuit.
If wire and connection
are OK, substitute a
known-good ECM and
recheck.
I2RH0B110048-01

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-118 Engine General Information and Diagnosis:
3Wire harness and connection check
1) Disconnect connector from CMP sensor.
2) Check for proper connection to CMP sensor at “BLK/
RED”, “RED/YEL” and “BLK/ORN” wire terminals.
3) If OK, turn ON ignition switch and check voltage at “BLK/
RED”, “RED/YEL” and “BLK/ORN” wire terminals of
disconnected CMP sensor connector.
CMP sensor voltage
Terminal “B+”: 10 – 14 V
Terminal “Vout”: 4 – 5 V
Terminal “GND”: 0 V
For engine without VVT system
For engine with VVT system
Is check result satisfactory?Go to Step 7. Go to Step 4.
4Was terminal “Vout” voltage in Step 3 within specification?Go to Step 5. “RED/YEL” wire is open
or shorted to ground /
power supply circuit.
If wire and connection
are OK, substitute a
known-good ECM and
recheck.
5Ground circuit check
1) Turn ignition switch to OFF position.
2) Measure resistance between “BLK/ORN” wire terminal
of CMP 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
circuit.
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. Step Action Yes No
I4RS0B110031-01
I4RS0B110094-01

Downloaded from www.Manualslib.com manuals search engine Engine General Information and Diagnosis: 1A-123
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 Description”.
2EGR valve power supply circuit check
1) Remove air intake pipe.
2) With ignition switch turned OFF, disconnect EGR valve
connector.
3) With ignition switch turned ON, measure voltage
between “BLK/RED” wire terminal of EGR valve
connector and vehicle body ground.
Is check voltage 10 – 14 V?Go to Step 3. “BLK/RED” wire is open
circuit.
3Wire circuit check
1) Disconnect connectors from ECM with ignition switch
turned OFF.
2) Turn ON ignition switch.
3) Measure voltage between engine ground and each
“GRN/RED”, “GRN/ORN”, “WHT/RED”, “BRN/YEL” wire
terminals of EGR valve connector.
Is each voltage 0 V?Go to Step 4. Faulty wire(s) are
shorted to other circuit.
If wires are OK,
substitute a known-
good ECM and recheck.
4Wire circuit check
1) With ignition switch turned OFF, measure resistance
between engine ground and each “GRN/RED”, “GRN/
ORN”, “WHT/RED”, “BRN/YEL” wire terminals of EGR
valve connector.
Is resistance infinity?Go to Step 5. Faulty wire(s) are
shorted to ground
circuit.
If wires are OK,
substitute a known-
good ECM and recheck.
5Short circuit check for EGR valve control circuit
1) With ignition turned OFF, measure resistance between
each EGR valve control circuit wire (“GRN/RED”, “GRN/
ORN”, “WHT/RED” and “BRN/YEL” wire) and each EGR
valve control circuit wire.
Is each resistance infinity?Go to Step 6. Faulty wire(s) are short
circuit.
6EGR valve stepper motor coil circuit check
1) With ignition switch turned OFF, connect EGR valve
connector.
2) Measure resistance between “E01-1/16” and each “C01-
4”, “C013”, “C01-19”, “C01-18” terminals of ECM
connector.
Is each resistance 20 – 31
Ω at 20 °C, 68 °F?Faulty ECM. Substitute
a known-good ECM and
recheck.Go to Step 7.
7EGR valve check
1) Check EGR valve resistance referring to “EGR Valve
Inspection (If Equipped) in Section 1B”.
Is resistance within specified value?Faulty wire(s) are open
or high resistance
circuit. If wires are OK,
substitute a known-
good ECM and recheck.Faulty EGR valve.

Downloaded from www.Manualslib.com manuals search engine Engine General Information and Diagnosis: 1A-127
DTC Troubleshooting
WARNING!
In order to reduce risk of fire and personal injury, this work must be performed in a well ventilated area
and away from any open flames such as gas water heater.

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”.
2EVAP canister purge power supply circuit check
1) Turn OFF ignition switch and disconnect connector from
EVAP canister purge valve.
2) Measure voltage between engine ground and “BLK/
RED” wire terminal of EVAP canister purge valve
connector with ignition switch turned ON.
Is it voltage 10 – 14 V?Go to Step 3. “BLK/RED” wire is open
circuit.
3Wire circuit check
1) Disconnect connectors from ECM with ignition switch
turned OFF.
2) Measure resistance between “C01-29” terminal of ECM
connector and vehicle body ground.
Is resistance infinity?Go to Step 4. “BLU/BLK” wire is
shorted to ground
circuit.
4Wire circuit check
1) Measure voltage between “C01-29” terminal of ECM
connector and vehicle body ground with ignition switch
turned ON.
Is voltage 0 V?Go to Step 5. “BLU/BLK” wire is
shorted to other circuit.
5Wire circuit check
1) Connect connector to purge control valve with ignition
switch turned OFF.
2) Turn ON ignition switch and measure voltage between
“C01-29” terminal of ECM connector and vehicle body
ground.
Is it voltage 10 – 14 V?Go to Step 6. “BLU/BLK” wire is open
circuit.
6EVAP canister purge control valve check
1) Check EVAP canister purge control valve referring to
“EVAP Canister Purge Valve Inspection in Section 1B”.
Is it in good condition?Go to Step 7. Faulty EVAP canister
purge control valve.
7EVAP canister purge control circuit check
1) With ignition switch turn OFF, measure resistance
between “E01-1/16” terminal and “C01-29” terminal of
ECM connector.
Is resistance below 34
Ω at 20 °C, 68 °F?Faulty ECM. Substitute
a known-good ECM and
recheck.“BLK/RED” and/or
“BLU/BLK” wire are high
resistance circuit.

Downloaded from www.Manualslib.com manuals search engine 1A-130 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”.
2Wire circuit check
1) Disconnect radiator cooling fan relay (1) from individual
circuit fuse box No.1 with ignition switch turned OFF.
2) Turn ON ignition switch, measure voltage between
engine ground to “BLK/RED” wire terminal.
Is voltage 10 – 14 V?Go to Step 3. Open wire in “BLK/RED”
wire is open circuit.
3Wire circuit check
1) Connect radiator cooling fan relay to individual circuit
fuse box No.1 with ignition switch turned OFF.
2) Turn ON ignition switch, measure voltage between
vehicle body ground and “E01-46” terminal of ECM
connector when engine coolant temp. is below 100 °C
(212 °F).
Is voltage 10 – 14 V?Go to Step 7. Go to Step 4.
4Wire circuit check
1) Disconnect connectors from ECM with ignition switch
turned OFF.
2) Disconnect radiator cooling fan relay from individual
circuit fuse box No.1.
3) Measure resistance between “E01-46” terminal of ECM
connector and vehicle ground.
Is resistance infinity?Go to Step 5. “LT GRN” wire is
shorted to ground
circuit.
5Wire circuit check
1) Turn ON ignition switch.
2) Measure voltage between “E01-46” terminal of ECM
connector and vehicle body ground.
Is voltage 0 V?Go to Step 7. “LT GRN” wire is
shorted to other circuit.
6Radiator cooling fan relay check
1) Check radiator cooling fan relay referring to “Radiator
Cooling Fan Relay Inspection in Section 1F”.
Is check result satisfactory?“LT GRN” wire is open
circuit.Replace relay.
1
I5RW0A110036-02

Downloaded from www.Manualslib.com manuals search engine Engine General Information and Diagnosis: 1A-131
DTC P0481: Cooling Fan 2 (A/C Condenser Fan) Control CircuitS6RW0D1104049
Wiring Diagram
Circuit Description
A/C condenser cooling fan motor is turned ON and OFF by its relay which ECM controls. A/C condenser cooling fan
motor is turned ON when ECM outputs A/C ON signal or when engine coolant temp. is 110 °C, 230 °F or more.
DTC Detecting Condition and Trouble Area7Radiator cooling fan control check
1) Run engine until ECT is over 100 °C, 212 °F.
2) Measure voltage between vehicle body ground and
“E01-46” terminal of ECM connector.
Is voltage lower than 1.5 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.Faulty ECM.
Substitute a known-
good ECM and recheck. 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
BLK/WHT
WHT
1
GRN
27
E01-29
10
89
REDBLK
3
5BLK/WHT
RED/BLKE01-58
WHT
4E01-47 GRY
BLU/YEL
6
C01-58
C01-15 C01-30
BLK/ORN
BLKBLKE01-31BLK
I6RW0D110042-01
1. Individual circuit fuse box No.1 5. A/C condenser cooling fan motor 9. “A/C” fuse
2. Ignition switch 6. A/C compressor 10. “IG COIL” fuse
3. A/C condenser cooling fan relay 7. ECM
4. A/C compressor relay 8. “FI” fuse
DTC detecting condition Trouble area
Monitor signal of A/C condenser cooling fan relay is different
from command signal.
(1 driving cycle detection logic but MIL does not light up)• A/C condenser cooling fan relay circuit malfunction
• A/C condenser cooling fan relay malfunction
• ECM malfunction