check engine light SUZUKI SX4 2006 1.G Service Workshop Manual

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Illumination Cancel Switch Inspection (If
Equipped)
S6RW0D9206022
Check for continuity between terminals at each switch
position.
If check result is not as specified, replace switch.
Tail Light Relay, Headlight Relay, Front Fog
Light Relay Inspection (If Equipped)
S6RW0D9206032
1) Remove tail light relay (1), headlight relay and/or
front fog light relay (2).
2) Check that there is no continuity between terminal
“3” and “4”. If there is continuity, replace relay.
3) Connect battery positive (+) terminal to terminal “2”
of relay.
4) Connect battery negative (–) terminal to terminal “A”
of relay.
5) Check continuity between terminal “3” and “4”. If
there is no continuity when relay is connected to the
battery, replace relay.
1
2
3
Switch PositionTerminal
ON (PUSH IN)123
OFF
I5RW0A920015-01
8
[B] [A]
3
4
1
5 62
2
I6RW0C920027-02
[A]: Junction block with BCM type (other than discharge headlight model)
[B]: Junction block with BCM type (discharge headlight model)
[C]: Junction block without BCM type
3. Headlight low beam relay (left side)
4. Headlight low beam relay (right side)
5. Headlight high beam relay (left side)
6. Headlight high beam relay (right side)
7. Junction block
8. Battery
7
7
5 6
1
8
3
42 [C]
I6RW0C920028-01
“4” “2”“1”“3”
I4RS0A920022-01

Downloaded from www.Manualslib.com manuals search engine Instrumentation / Driver Info. / Horn: 9C-1
Body, Cab and Accessories
Instrumentation / Driver Info. / Horn
Precautions
Precautions in Diagnosing Troubles for Combination MeterS6RW0D9300001
Combination meter uses signals (information) from each control module by CAN communication to control
speedometer, tachometer, fuel meter, engine coolant temp meter, warning light and indicator light (other than air bag
warning light, EPS warning light, headlight leveling warning light (if equipped), rear fog light indicator light (if
equipped), high beam indicator light and turn signal indicator light). Therefor, check that no DTC is detected in each
module before performing combination meter symptom diagnosis. If any DTC is detected, correct trouble indicated by
that DTC troubleshooting first.
General Description
CAN Communication System DescriptionS6RW0D9301001
Refer to “CAN Communication System Description in Section 1A” for CAN communication system description.
Combination meter communicates control data with each control module as follows.
Combination Meter Transmission Data
BCM
Combination
meterDATA
TransmitCombination meter spec signal
I5RW0A930001-02

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Low Fuel Warning Light Symptom DiagnosisS6RW0D9304005
NOTE
• Confirm that fuel meter is in good condition before referring to the following possible causes.
• When fuel level sensor circuit is open or short, fuel level meter indicates empty even if fuel tank
does not empty.
• The low fuel warning light comes ON when fuel level is lower than specification below.

Low fuel warning light operation:
Oil Pressure Warning Light Symptom DiagnosisS6RW0D9304006
Low fuel warning light operation: Fuel amount: Resistance of fuel level sensor:
ON (2WD) Approx. 7.5 liter Approx. 261 Ω
ON (4WD) Approx. 6.8 liter Approx. 261 Ω
Condition Possible cause Correction / Reference Item
Low fuel warning light
does not come ON when
fuel level is lower than
specificationCircuit fuse blownReplace fuse and check for short circuit.
Fuel level sensor faultyCheck fuel level sensor referring to “Fuel Level
Sensor Inspection”.
Wiring or grounding faultyRepair circuit.
Combination meter faultyReplace combination meter.
ECM faultyReplace after making sure that none of above
parts is faulty.
Low fuel warning light
comes ON steadyLow fuelRefill fuel.
Fuel level sensor faultyCheck fuel level sensor referring to “Fuel Level
Sensor Inspection”.
Wiring or grounding faultyRepair circuit.
Combination meter faultyReplace combination meter.
ECM faultyReplace after making sure that none of above
parts is faulty.
Condition Possible cause Correction / Reference Item
Oil pressure warning light
does not light up when
ignition switch is turned
to ON position at engine
offCircuit fuse blownReplace fuse and check for short circuit.
Oil pressure switch faultyCheck oil pressure switch referring to “Oil
Pressure Switch Inspection”.
Wiring or grounding faultyRepair circuit.
Combination meter faultyReplace combination meter.
BCM faultyReplace after making sure that none of above
parts is faulty.
Oil pressure warning light
stays ONOil pressure switch faultyCheck oil pressure switch referring to “Oil
Pressure Switch Inspection”.
Wiring or grounding faultyRepair circuit.
Combination meter faultyReplace combination meter.
BCM faultyReplace after making sure that none of above
parts is faulty.

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Brake and Parking Brake Warning Light Symptom DiagnosisS6RW0D9304007
Seat Belt Reminder Light Symptom DiagnosisS6RW0D9304008
A/T Shift Position Indicator Symptom Diagnosis (A/T Model)S6RW0D9304009
Condition Possible cause Correction / Reference Item
Brake warning light does
not light up when brake
fluid level is low or
parking brake is pulled up
or for 5 seconds after
turning ON ignition switchCircuit fuse blownReplace fuse and check for short circuit.
Brake fluid level switch faultyCheck brake fluid level switch referring to
“Brake Fluid Level Switch Inspection”.
Parking brake switch faultyCheck parking brake switch referring to
“Parking Brake Switch Inspection”.
ABS system faultyRefer to “ABS Check in Section 4E”.
Wiring or grounding faultyRepair circuit.
Combination meter faultyReplace combination meter.
BCM faultyReplace after making sure that none of above
parts is faulty.
Brake warning light stays
ONBrake fluid level switch faultyCheck brake fluid level switch referring to
“Brake Fluid Level Switch Inspection”.
Parking brake switch faultyCheck parking brake switch referring to
“Parking Brake Switch Inspection”.
EBD system faultyRefer to “EBD Warning Light (Brake Warning
Light) Check in Section 4E”.
Wiring or grounding faultyRepair circuit.
Combination meter faultyReplace combination meter.
BCM faultyReplace after making sure that none of above
parts is faulty.
Condition Possible cause Correction / Reference Item
Seat belt reminder light
does not light upCircuit fuse blownReplace fuse and check for short circuit.
Seat belt switch faultyCheck seat belt switch referring to “Front Seat
Belt Inspection in Section 8A”.
Wiring or grounding faultyRepair circuit.
Combination meter faultyReplace combination meter.
BCM faultyReplace after making sure that none of above
parts is faulty.
Seat belt reminder light
stays ONSeat belt switch faultyCheck seat belt switch referring to “Front Seat
Belt Inspection in Section 8A”.
Wiring or grounding faultyRepair circuit.
Combination meter faultyReplace combination meter.
BCM faultyReplace after making sure that none of above
parts is faulty.
Condition Possible cause Correction / Reference Item
All A/T shift position
indicator does not light upCircuit fuse blownReplace fuse and check for short circuit.
Transmission range sensor (shift switch)
faultyCheck transmission range sensor referring to
“Transmission Range Sensor Inspection and
Adjustment in Section 5A”.
Wiring or ground faultyRepair circuit.
Combination meter faultyReplace combination meter.
TCM faultyReplace after making sure that none of above
parts is faulty.

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Charge Warning Light Symptom DiagnosisS6RW0D9304010
Main Beam (High Beam) Indicator Symptom DiagnosisS6RW0D9304011
Warning Buzzer Circuit Symptom DiagnosisS6RW0D9304012
NOTE
• Use of SUZUKI scan tool makes it easy to check whether a faulty condition is on the input side or
output side of BCM. For checking procedure, refer to “Diagnosis Using Output Test Function of
SUZUKI Scan Tool” under “Scan Tool Data in Section 10B”.
• Check each part in the order from the top of the following list.

Condition Possible cause Correction / Reference Item
Charge warning light
does not come ONCircuit fuse blownReplace fuse and check for short circuit.
Wiring or grounding faultyRepair circuit.
Combination meter faultyReplace combination meter.
BCM faulty Replace after making sure that none of above
parts is faulty.
Charge warning light stay
ONCharging system faultyCheck charging system.
Wiring or grounding faultyRepair circuit.
Combination meter faultyReplace combination meter.
BCM faulty Replace after making sure that none of above
parts is faulty.
Condition Possible cause Correction / Reference Item
Main beam (high beam)
indicator does not come
ONCircuit fuse blownReplace fuse and check for short circuit.
Combination switch faultyCheck combination switch referring to
“Headlight Switch (in Lighting Switch)
Inspection in Section 9B”.
Wiring or grounding faultyRepair circuit.
Combination meter faultyReplace combination meter.
Main beam (high beam)
indicator stay ONCombination switch faultyCheck combination switch referring to
“Headlight Switch (in Lighting Switch)
Inspection in Section 9B”.
Wiring or grounding faultyRepair circuit.
Combination meter faultyReplace combination meter.
Condition Possible cause Correction / Reference Item
Warning buzzer shows no
soundingCircuit fuse blownReplace fuse and check for short circuit.
Driver side door switch faultyCheck driver side door switch referring to
“Door Switch (Front / Rear Door) Inspection”.
Lighting switch faultyCheck lighting switch referring to “Headlight
Switch (in Lighting Switch) Inspection in
Section 9B”.
Key reminder switch faultyCheck key reminder switch referring to
“Ignition Switch Inspection”.
Seat belt switch faultyCheck seat belt switch referring to “Front Seat
Belt Inspection in Section 8A”.
Wiring or grounding faultyRepair circuit.
BCM faultyReplace after making sure that none of above
parts is faulty.

Downloaded from www.Manualslib.com manuals search engine 9C-10 Instrumentation / Driver Info. / Horn:
Cigarette Lighter Symptom Diagnosis (If Equipped)S6RW0D9304013
Horn Symptom DiagnosisS6RW0D9304014
Information Display Symptom Diagnosis (If Equipped)S6RW0D9304015
NOTE
This thermometer indicates the ambient temperature in the under side of front bumper member. Under
any one of the following listed conditions, however, even when the ambient temperature goes up, the
thermometer display does not rise so as to correct the rise of the ambient temperature caused by the
radiant heat of the engine. When the ambient temperature drops, the thermometer reading follows the
change in the temperature.
Be sure to bear this in mind when diagnosing trouble.
• The vehicle speed is 30 km/h (18 mph) or lower.
• Vehicle speed signal is faulty.
• The ignition switch is turned on again within 2 hours.

Condition Possible cause Correction / Reference Item
Cigarette lighter shows
no operationCircuit fuse blownReplace fuse and check for short circuit.
Cigarette lighter faultyCheck cigarette lighter.
Ignition switch faultyCheck ignition switch referring to “Ignition
Switch Inspection”.
Wiring or grounding faultyRepair circuit.
Condition Possible cause Correction / Reference Item
Horn does not operateCircuit fuse blownReplace fuse and check for short circuit.
Horn switch faultyCheck horn switch.
Horn relay faultyCheck horn relay referring to “Horn Relay
Inspection”.
Wiring or grounding faultyRepair circuit.
Horn faultyCheck horn referring to “Horn Inspection”.
Condition Possible cause Correction / Reference Item
No displaying of
information displayCircuit fuse BlownReplace fuse and check for short circuit.
Wiring or grounding faultyRepair circuit.
Information display unit faultyReplace unit.
Incorrect thermometer
displayOutside air temperature sensor faultyCheck outside air temperature sensor referring
to “Outside Air Temperature Sensor Inspection
(If Equipped)”.
Vehicle speed signal faultyCheck ECM for DTC referring to “DTC Check
in Section 1A”.
Wiring or grounding faultyRepair circuit.
Information display unit faultyReplace unit.
BCM faultyReplace after making sure that none of above
parts is faulty.
Display of thermometer
does not change at –30
°C
(–22
°F)Outside air temperature is –30 °C (–22
°F) or less—
Outside air temperature sensor faultyCheck outside air temperature sensor referring
to “Outside Air Temperature Sensor Inspection
(If Equipped)”.
Information display unit faultyReplace unit.
BCM faultyReplace after making sure that none of above
parts is faulty.

Downloaded from www.Manualslib.com manuals search engine Wipers / Washers: 9D-3
Washer Tank and Washer Pump Removal and
Installation
S6RW0D9406002
Removal
1) Disconnect negative (–) cable at battery.
2) Remove front bumper referring to “Front Bumper
and Rear Bumper Components in Section 9K”.
3) Disconnect washer pump lead wire couplers and
hoses.
4) Remove washer tank attaching bolts (4).
5) Remove washer tank (1).
6) Remove windshield washer pump (2) and rear
washer pump (3) from washer tank (1).
Installation
Install washer tank and washer pump by reversing
removal procedure, noting the following instructions.
• Connect washer pump connector(s) and hose
securely.
Washer Pump InspectionS6RW0D9406003
1) Connect battery positive (+) and negative (–)
terminals to pump (+) and (–) terminals respectively.
2) Check windshield and rear washer pumps for
operation.
If pump does not operate, replace washer pump.
Windshield Wiper Removal and InstallationS6RW0D9406004
Removal
1) Disconnect negative (–) cable at battery.
2) Remove wiper pivot caps (1) and wiper arm nuts (2),
and remove windshield wiper arms with wiper blades
(3).
3) Remove cowl top garnish referring to “Cowl Top and
Front Lower Crossmember Components in Section
9K”.
4) Disconnect coupler from windshield wiper motor.
5) Remove bolts (1), and remove windshield wiper
assembly (2).
5. Rear wiper arm with blade assembly 12. Wiper switch : 8 N⋅m (0.8 kgf-m, 6.0 lb-ft)
6. Rear wiper motor 13. Rear wiper relay : 5 N⋅m (0.5 kgf-m, 4.0 lb-ft)
7. Washer pump for windshield washer 14. Junction block.
5. Right side headlight housing
1
4
34245
I7RW01940007-01
I5RW0A940004-01
1
3 3
2
I4RS0B940003-03
21I5RW0A940005-02

Downloaded from www.Manualslib.com manuals search engine 9D-8 Wipers / Washers:
Windshield Wiper and Washer Switch Removal
and Installation
S6RW0D9406008
Removal
1) Disconnect negative (–) cable at battery.
2) Remove steering column hole cover (1).
3) Remove steering column covers (2).
Turn steering wheel to access steering column cover
rear end screws (3).
4) (Immobilizer model)
Remove immobilizer control module referring to
“ICM Removal and Installation in Section 10C”.
5) Remove windshield wiper and washer switch (1)
from combination switch assembly (2) and
disconnect its coupler (3).
Installation
Reverse removal procedure.
Windshield Wiper and Washer Switch
Inspection
S6RW0D9406009
Windshield Wiper and Washer Switch
Check for continuity between terminals at each switch
position. If check result is not as specified, replace
switch.
12
3I5RW0A940016-01
1 2
3
I4RS0B940008-01
[A]: RHD without rear fog light
[B]: Other than RHD without rear fog light
[C]: Terminal
[D]: Wiper switch
[E]: Washer switch
OFF
INT6543
MIST
OFF12
ONLO
HI
65432112
3
4
5
6 [A]
[B]
[C]
[D]
[E][C]
I5JB0D940001-01

Downloaded from www.Manualslib.com manuals search engine Wipers / Washers: 9D-9
Intermittent Wiper Relay Circuit
1) Turn the windshield wiper switch to “INT” position.
2) Connect battery positive (+) terminal to terminal “5”
and its negative (–) terminal to terminal “2”.
3) Connect voltmeter positive lead to terminal “4” and
its negative lead to terminal “2”.
4) Check that the voltmeter indicates the battery
voltage (10 – 14 V).
5) Connect terminal “3” and terminal “5” by a jumper
wire.
6) Disconnect end of the jumper wire from terminal “5”.
7) Connect disconnected jumper wire end to terminal
“2”, then check that voltage between terminal “4” and
terminal “2” changes as shown.
If check result is not satisfied, replace switch.Washer Linked Circuit
1) Make sure that front wiper switch is at “OFF”
position.
2) Connect battery positive (+) terminal to terminal “5”
and its negative (–) terminal to terminal “2”.
3) Connect voltmeter positive lead to terminal “4” and
its negative lead to terminal “2”.
4) When front washer switch is ON, check that voltage
changes as shown in figure.
If check result is not satisfied, replace switch.
[A]: RHD without rear fog light
[B]: Other than RHD without rear fog light
[A]: RHD without rear fog light
[B]: Other than RHD without rear fog light
V
2
3 4 52
34 5 [B] [A]
I5JB0D940002-02
V
INT
TIME
INT
TIME
10-14V
0V
10-14V
0V
2
3 4 52
34 5 [B] [A][C] [D]
[E]
[F]
I5JB0D940003-02
[C]: Voltage
[D]: INT time control switch position
[E]: 1.6 ± 1 sec.
[F]: 10.7 ± 5 sec.
[A]: RHD without rear fog light
[B]: Other than RHD without rear fog light
[C]: Wiper switch
[D]: Voltage
[E]: Approx. 2.2 sec.
[F]: Approx 0.3 se.
V
2
4 52
45 [B] [A]
ON
OFF
High
Low
[E]
[F] [C]
[D]
I5JB0D940004-02

Downloaded from www.Manualslib.com manuals search engine 9D-10 Wipers / Washers:
Rear Wiper and Washer Switch Removal and
Installation
S6RW0D9406010
For removal and installation, refer to “Windshield Wiper
and Washer Switch Removal and Installation”.
Rear Wiper and Washer Switch InspectionS6RW0D9406011
Check for continuity between terminals at each switch
position. If check result is not as specified, replace
switch.
Rear Wiper Relay Removal and InstallationS6RW0D9406012
Removal
1) Disconnect negative (–) cable at battery.
2) Remove junction block (1).
3) Remove rear wiper relay (2) from junction block.
Installation
Reverse removal procedure for installation.
Rear Wiper Relay InspectionS6RW0D9406013
1) Check that there is no continuity between terminal
“3” and “4”. If there is continuity, replace relay.
2) Connect battery positive (+) terminal to terminal “2”
of relay.
3) Connect battery negative (–) terminal to terminal “1”
of relay.
4) Check continuity between terminal “3” and “4”. If
there is no continuity when relay is connected to the
battery, replace relay.[A]: RHD without rear fog light
[B]: Other than RHD without rear fog light
OFF
[C]
[D]4 3 12
1 2 3
4 [A]
[B]123
4 [C] [D] [E]
[F]
[E]
[F]
I5JB0D940005-01
2
1
I7RW01940006-01
“4” “2”“1”“3”
I4RS0A940028-01