Suzuki 2006 SX4, Service Manual

Page: 1289 / 1478

Instrumentation / Driver Info. / Horn: 9C-10
Cigarette Lighter Symptom Diagnosis (If Equipped)
S6RW0C9304013
Horn Symptom Diagnosis
S6RW0C9304014
Information Display Symptom Diagnosis (If Equipped)
S6RW0C9304015
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 operation Circuit fuse blown Replace fuse and check for short circuit.
Cigarette lighter faulty Check cigarette lighter.
Ignition switch faulty Check ignition switch referring to “Ignition
Switch Inspection”.
Wiring or grounding faulty Repair circuit.
Condition Possible cause Correction / Reference Item
Horn does not operate Circuit fuse blown Replace fuse and check for short circuit.
Horn switch faulty Check horn switch.
Horn relay faulty Check horn relay referring to “Horn Relay
Inspection”.
Wiring or grounding faulty Repair circuit.
Horn faulty Check horn referring to “Horn Inspection”.
Condition Possible cause Correction / Reference Item
No displaying of
information display Circuit fuse Blown Replace fuse and check for short circuit.
Wiring or grounding faulty Repair circuit.
Information display unit faulty Replace unit.
Incorrect thermometer
display Outside air temperature sensor faulty Check outside air temperature sensor referring
to “Outside Air Temperature Sensor Inspection
(If Equipped)”.
Vehicle speed signal faulty Check ECM for DTC referring to “DTC Check
in Section 1A”.
Wiring or grounding faulty Repair circuit.
Information display unit faulty Replace unit.
BCM faulty Replace 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 faulty Check outside air temperature sensor referring
to “Outside Air Temperature Sensor Inspection
(If Equipped)”.
Information display unit faulty Replace unit.
BCM faulty Replace after making sure that none of above
parts is faulty.