Coolant Level Check SUZUKI SX4 2006 1.G Service Owner's Manual

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DTC Confirmation Procedure
WARNING!
• When performing a road test, select a place where there is no traffic or possibility of a traffic
accident and be very careful during testing to avoid occurrence of an accident.
• Road test should be carried out with 2 persons, a driver and a tester, on a level road.

1) Connect scan tool to DLC with ignition switch OFF, if available.
2) Clear DTC in TCM memory and start engine.
3) Increase engine coolant temperature to about 50 °C (122 °F) and more.
4) Start vehicle and increase vehicle speed to about 20 km/h (12 mile/h) for 10 minutes or more.
5) Stop vehicle and check DTC.
DTC Troubleshooting
Step Action Yes No
1Was “A/T System Check” performed?Go to Step 2. Go to “A/T System
Check”.
2Check transmission fluid temperature circuit for open
1) Turn ignition switch OFF.
2) Disconnect TCM connectors from TCM.
3) Check for proper connection to transmission fluid
temperature sensor at terminals “C06-11” and “C06-12”.
4) If OK, check continuity between terminals “C06-11” and
“C06-12” of disconnected harness side TCM connector.
Is continuity indicated?Go to Step 3. “LT GRN” or “ORN”
circuit open.
3Check transmission fluid temperature circuit for IG
short
1) Cool down A/T fluid temperature under ambient
temperature.
2) Connect TCM connectors to TCM with ignition switch
OFF.
3) Turn ignition switch ON.
4) Measure voltage between terminal “C06-11” of TCM
connector and ground.
Is it 4.6 V or more?“LT GRN” circuit shorted
to power circuit.
If circuit is OK, go to
St ep 4 .Intermittent trouble or
faulty TCM.
Check for intermittent
referring to “Intermittent
and Poor Connection
Inspection in Section
00”.
If OK, substitute a
known-good TCM and
recheck.
4Inspect transmission fluid temperature sensor
1) Inspect transmission fluid temperature sensor referring
to “Transmission Fluid Temperature Sensor Inspection”.
Is result satisfactory?Intermittent trouble or
faulty TCM.
Check for intermittent
referring to “Intermittent
and Poor Connection
Inspection in Section
00”.
If OK, substitute a
known-good TCM and
recheck.Replace transmission
fluid temperature
sensor.

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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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Diagnostic Information and Procedures
Speedometer and VSS Symptom DiagnosisS6RW0D9304001
Tachometer Symptom DiagnosisS6RW0D9304002
Engine Coolant Temperature (ECT) Meter Symptom DiagnosisS6RW0D9304003
Fuel Meter Symptom DiagnosisS6RW0D9304004
Condition Possible cause Correction / Reference Item
Speedometer shows no
operation or incorrect
operationCircuit fuse blownReplace fuse and check for short circuit.
Front wheel speed sensor or sensor
encoder faulty (M/T model)Check front wheel speed sensor or sensor
encoder referring to “Front and Rear Wheel
Speed Sensor On-Vehicle Inspection in
Section 4E” or “Front Wheel Speed Sensor
Encoder On-Vehicle Inspection in Section 4E”.
Output shaft speed sensor (VSS) faulty
(A/T model)Check output shaft speed sensor (VSS)
referring to “Output Shaft Speed Sensor (VSS)
Inspection in Section 5A”
Wiring or grounding faultyRepair circuit.
Combination meter faulty Replace combination meter.
TCM faulty (A/T model)Check input and output signal of TCM referring
to “Inspection of TCM and Its Circuits in
Section 5A”
ECM faultyReplace after making sure that none of above
parts is faulty.
Condition Possible cause Correction / Reference Item
Tachometer shows no
operation or incorrect
operationCircuit fuse blownReplace fuse and check for short circuit.
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
Engine coolant
temperature (ECT) meter
shows no operation or
incorrect operationCircuit fuse blownReplace fuse and check for short circuit.
ECT sensor faultyCheck ECT sensor referring to “Engine
Coolant Temperature (ECT) Sensor Inspection
in Section 1C”.
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
Fuel meter shows no
operation or incorrect
operationCircuit 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.

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Engine Coolant Temperature (ECT) Sensor
Inspection
S6RW0D9306008
Check engine coolant temperature sensor for resistance,
refer to “Engine Coolant Temperature (ECT) Sensor
Inspection in Section 1C”.
Brake Fluid Level Switch InspectionS6RW0D9306009
Check for continuity between terminals of brake fluid
level switch coupler (1). If found defective, replace
switch.
Brake fluid level switch specification
OFF position (float up): No continuity
ON position (float down): Continuity
Parking Brake Switch InspectionS6RW0D9306010
Check for continuity between parking brake switch
terminal and body ground as shown in figure. If found
defective, replace switch.
Parking brake switch specification
OFF position (parking brake released): No continuity
ON position (parking brake lever pulled up):
Continuity
Door Switch (Front / Rear Door) InspectionS6RW0D9306011
Remove door switch from body and check switch for
continuity. If found defective, replace switch.
Door switch (front / rear door) specification
OFF position (Door closed): No continuity
ON position (Door open): Continuity
Rear End Door Switch InspectionS6RW0D9306012
Check for continuity between terminal “a” and “b” shown
in the following.
If check result is not as specified, replace switch.
Rear end door switch specification
Rear end door closed: No continuity
Rear end door opened: Continuity
1. Parking brake switch 2. Parking brake lever
1
I5RW0A930011-01
12
I4RS0A930014-01
I3RH0A930004-01
a
b
I4RS0A930015-01