Cigarette Lighter Symptom Diagnosis (If Equipped); Horn Symptom Diagnosis; Information Display Symptom Diagnosis (If Equipped) - Suzuki 2006 SX4 Service Manual

9C-10 Instrumentation / Driver Info. / Horn:

Cigarette Lighter Symptom Diagnosis (If Equipped)

Condition
Cigarette lighter shows
no operation

Horn Symptom Diagnosis

Condition
Horn does not operate

Information Display Symptom Diagnosis (If Equipped)

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