Fuel SUZUKI SWIFT 2007 2.G Service Workshop Manual
Page 1307 of 1496
Downloaded from www.Manualslib.com manuals search engine Instrumentation / Driver Info. / Horn:  9C-12
Clock Symptom Diagnosis (If Equipped)S7RS0B9304016
Audio System Symptom Diagnosis (If Equipped)S7RS0B9304017
Radio
NOTE
Electronic part / system with undiagnosed pr oblem may cause electromagnetic interference. 
Electromagnetic interference condition may have poor radio reception. To test for presence of 
electromagnetic interference in part / system, perform the following procedures.
1. Turn ignition switch to OFF.
2. Systematically disconnect the electronic part / system connector(s) one at a time.
3. Turn ignition switch to ON.
4. Check any improvement in radio reception.
 
Display of fuel 
consumption does not 
change at “– – – l / 100 km 
(km/l, MPG)” Vehicle is not running (instantaneous 
fuel consumption mode)
—
Fuel consumption was reset (average 
fuel consumption mo de, if equipped)Vehicle runs for a while.
Vehicle speed signal faulty Check ECM for DTC referring to “DTC Check 
in Section 1A”.
Wiring and/or grounding faulty Repair as necessary.
ECM faulty Check input and output signal of ECM referring 
to “Inspection of ECM and Its Circuits in 
Section 1A”.
Information display unit faulty Replace unit.
BCM faulty Replace after making sure that none of above 
parts is faulty.
Condition Possible cause Correction / Reference Item
Condition
Possible cause Correction / Reference Item
No displaying of clock Circuit fuse Blown Replace fuse and check for short circuit.
Wiring and/or grounding faulty Repair as necessary.
Clock unit faulty Replace unit.
ConditionPossible cause Correction / Reference Item
Poor radio reception Out of service area (Poor location) —
Antenna faulty Replace antenna.
Electrical part / system faulty Repair or replace electrical part / system 
referring to after-mentioned NOTE.
Wiring and/or grounding faulty Repair as necessary.
Radio assembly faulty Replace radio assembly.
Radio does not operate 
and speaker does not 
sound Circuit fuse(s) blown
Replace fuse(s) and check for short circuit.
Wiring and/or grounding faulty Repair as necessary.
Radio assembly faulty Replace radio assembly.
Radio does not operate, 
but speaker sound Wiring and/or grounding faulty
Repair as necessary.
Radio assembly faulty Replace radio assembly.
Radio is operative, but all 
speakers does not sound Wiring and/or grounding faulty
Repair as necessary.
Radio assembly faulty Replace radio assembly.
Individual speaker is 
noisy or inoperative Wiring and/or grounding faulty
Repair as necessary.
Speaker faulty Replace speaker.
Radio assembly faulty Replace radio assembly.
Sound quality is poor Out of service area (Poor location) —
Speaker installed incorrectly Install correctly.
Wiring and/or grounding faulty Repair as necessary.
Speaker faulty Replace speaker.
Radio assembly faulty Replace radio assembly.  
Page 1310 of 1496
Downloaded from www.Manualslib.com manuals search engine 9C-15 Instrumentation / Driver Info. / Horn: 
Combination Meter Removal and InstallationS7RS0B9306003
Removal1) Disconnect negative (–) cable at battery.
2) Remove steering column hole cover (1) pulling it in  arrow direction shown in figure.
3) Remove combination mete r cluster panel (1) pulling 
it in arrow direction shown in figure.
4) Remove screws (1) fast ening combination meter.
5) Remove combination me ter (2) pulling it arrow 
direction as shown.
Installation
Reverse removal procedure.
Fuel Level Sensor Removal and InstallationS7RS0B9306004
For removal and installation, refer to “Main Fuel Level 
Sensor Removal and Installation in Section 1G”.
Fuel Level Sensor InspectionS7RS0B9306005
• Check that resistance between terminals “a” and “b”  of fuel level sensor changes with change of float 
position.
• Check resistance between terminals “a” and “b” at  each float position in the following.
If the measured value is out of specification, replace.
Fuel level sensor specifications
Oil Pressure Switch Removal and InstallationS7RS0B9306006
For removal and installation , refer to “Oil Pressure 
Check in Section 1E”.
1
I4RS0B930005-02
1
I4RS0B930006-02
1
2
I4RS0A930012-02
Float Position Resistance (Ω)
Full Upper “C” 160 mm 
(6.30 in.) 40 
± 2
Full Lower “D” 19 mm
(0.75 in.) 280 
± 3.3
1. Fuel pump 2. Float
“b”“a”
2
“C”
“D”
1
I6RS0C930004-01  
Page 1405 of 1496
Downloaded from www.Manualslib.com manuals search engine Body Electrical Control System:  10B-2
CAN Communication System DescriptionS7RS0BA201002
Refer to “CAN Communication System Description in Section 1A” for CAN communication system description. BCM 
communication control data with ea ch control module as follows.
BCM Transmission Data
BCM Reception Data
A/C switch ON signal
Electric load signal
"3" position switch signal
Illumination ON signal
Brake fluid level switch signal
Parking brake switch signal
Seat belt buckle switch signal
Charging system signal
Engine oil pressure switch signal
Diagnostic trouble code (DTC)
Door switch status
Door lock status ECM
TCM
(A/T model) Combination 
Meter  Keyless Start
Control Module
(if equipped)
Transmit DATA
BCM
ESP
Control Module
(if equipped)
I7RS0BA20002-01
Engine speed signal
Vehicle speed signal Engine coolant temperature signal
A/C refrigerant pressure signal
Fuel consumption signal A/C compressor clutch signal
Transmission range sensor signal
Fuel level signal
Ignition knob switch signal
Door lock/unlock request signal
Buzzer request signal
Answer back request signal
DATA
BCM
Receive
Combination
Meter
TCM
(A/T model) Keyless Start
Control Module (if equipped)
ECM
I7RS0AA20001-01  
Page 1415 of 1496
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Scan Tool DataS7RS0BA204003
Scan tool DataConditionNormal condition / 
reference value
Vehicle Speed At stop with ignition switch turned ON 0 km/h
Outside air Temp Reference value is relative to outside air temperature –40 
°C – 70  °C
(–40  °F – 158 ° F)
Battery Voltage At specified idle speed after warming up 10 – 14 V
Coolant Temp At specified idle speed after warming up 80 
°C – 100 ° C
(176  °F – 212 ° F)
Engine Speed Engine idling with no load applied after warming up Desired idle speed
± 50 rpm
Fuel Consumption At specified idle speed after warming up 0.0 km/l
Key Reminder Sw Ignition key inserted in 
ignition key cylinder Key in
Ignition key pulled out from ignition key cylinder Pulled
Rear Wiper Sw Rear wiper switch at ON position and ignition switch turned ON
ON
Rear wiper switch at INT position  and ignition switch turned ON INT
Rear wiper switch at OFF position and ignition switch turned ON OFF
Door key Sw  Key cylinder switch of driver side door at lock position
LOCK
Key cylinder switch of driver side door not turned Neutral
Key cylinder switch of driver side  door at unlock position Unlock
Door Lock Sw Lock side of manual door lock switch pressed
LOCK
Manual door lock switch not pressed Neutral
Unlock side of manual door lock switch pressed Unlock
Driv Door Sw  Driver side door open
Open
Driver side door closed Close
Pass Door Sw Doors other than driver side door open
Open
Doors other than driver side door closed Close
Brake Fluid Level Brake fluid level at MIN level or higher
Normal
Brake fluid level lower than MIN level Low
Parking Brake Sw Parking brake lever pulled
ON
Parking brake lever released OFF
Rear Defogger Sw Rear end door window defogger switch turned ON with engine 
running
ON
Rear end door window defogger switch turned OFF with engine 
running OFF
Tail Light Sw Lighting switch at HEAD 
or CLEARANCE position ON
Lighting switch at OFF position OFF
Driv Seatbelt Sw Driver side seat belt fastened
Fasten
Driver side seat belt unfastened Unfasten
Rear end door opener Rear end door open
ON
Rear end door closed OFF
“3” Position Sw A/T select lever at 2nd or 3rd position with ignition switch turned 
ON
ON
A/T select lever at other than 2nd or 3rd position with ignition 
switch turned ON OFF
Charge Lamp Engine at stop with ignition switch turned ON
ON
Engine running OFF
Oil pressure switch Engine at stop with ignition switch turned ON
ON
Engine running OFF
A/C Switch A/C and ignition switch turned ON
ON
A/C switch turned OFF OFF  
Page 1416 of 1496
Downloaded from www.Manualslib.com manuals search engine 10B-13 Body Electrical Control System: 
Scan Tool Data Definitions
Vehicle Speed (km/h, mph):  It is computed based on pulse signals from vehicle speed sensor on transmission.
Outside air Temp ( °C,  °F):   It is detected by outside air temperature sensor.
Battery Voltage (V):   This parameter indicates battery po sitive voltage inputted to BCM.
Coolant Temp (Engine coolant temperature) ( °C,  °F):   It is detected by engine coolant temperature sensor.
Engine Speed (RPM):   It is computed by reference pulse signals from CMP sensor.
Fuel Consumption (km/l):   This parameter indicates the fuel consumption computed by ECM.
Key Reminder Sw (Key reminder  switch) (Pulled / Key in):  This parameter indicates the state of the key reminder 
switch.
Rear Wiper Sw (Rear wiper switch) (ON / INT / OFF):   This parameter indicates the state of the rear wiper switch.
Door key Sw (Door key cylinder switch) (Lock / Neutral / Unlock):   This parameter indicates the state of the door 
key cylinder switch.
Door lock Sw (Manual door lock switch) (Lock / Neutral / Unlock):   This parameter indicates the state of the 
manual door lock switch.
Driv Door Sw (Driver side d oor switch) (Open / Close):   This parameter indicates the state of the driver side door 
switch.
Pass Door Sw (Other than driver  side door switch) (Open / Close):   This parameter indicates the state of the door 
switches other than driver side door switch.
Brake Fluid Level (Low / Normal):   Low: Brake fluid level is lower than specified level.
Normal: Brake fluid level  is higher than MIN level.
Parking Brake Sw (Parking brake switch) (ON / OFF):   ON: Parking brake lever is pulled up.
OFF: Parking brake lever is released.
Rear Defogger Sw (Rear end door window defogger switch) (ON / OFF):   This parameter indicates the state of 
the rear end door window defogger switch.
Tail Light Sw (Lighting switch) (ON / OFF):   This parameter indicates the state of the lighting switch.
Driv Seatbelt Sw (Driver seat belt switch) (Fasten / Unfasten):   This parameter indicates the state of the driver 
side seat belt buckle switch.
Rear end Door Opener (Rear end door opener switch) (ON / OFF):   This parameter indicates the state of the rear 
end door opener switch.
“3” position Sw (ON/OFF):   This parameter indicates the state of the “3 ” position switch included in A/T manual 
selector assembly.
Charge lamp (ON / OFF):   This parameter indicates the state of the charge system monitor switch.
Oil pressure switch (ON / OFF):   This parameter indicates the state of the oil pressure switch.
A/C Switch (ON / OFF):   This parameter indicates the state of the air conditioning switch.
Diagnosis Using Output Test Function of SUZUKI Scan Tool
SUZUKI scan tool has the output test  function which can force operation of following actuators and relays of the 
system controlled by BCM. When a malf unction is found in the system controlled by BCM, execute the output test 
which enables easy judgment whether the malfunction is on the input side or output side of BCM. For detailed 
information on operation of SUZUKI scan tool,  refer to “SUZUKI Scan Tool Operator’s Manual”.
Output Teat Item Controlled Parts
Hazard Warning Light Turn signal and hazard warning relay
Interior (Dome) Light Interior (Dome) light (wh en interior light switch is at DOOR position)
Door Each door lock actuator
Rear end door open Rear end door opener relay
Warning buzzer Warning buzzer (in BCM)
Rear wiper Rear wiper relay
Alarm indicator Theft deterrent light  (in information display or clock)
Rear defogger Rear end door window defogger relay  
Page 1445 of 1496
Downloaded from www.Manualslib.com manuals search engine Immobilizer Control System:  10C-2
• Do not leave ignition key in a place where 
temperature is high. High temperature may cause 
damage to the transponder built in the ignition key. • Do not turn ignition switch to ON position by bringing 
radio antenna close to coil antenna. Or, the 
immobilizer control syst em may detect some 
abnormal condition and prevent the engine from 
starting.
General Description
Immobilizer Control System IntroductionS7RS0BA301001
The immobilizer control system  is an anti-theft device that immobilizes the vehicle. It  stops the engine from working 
and prevents the vehicle from being stolen. It  mainly consists of the following components.
• Engine Control Module (ECM)
• Immobilizer control module (ICM) with the  built-in coil antenna
• Ignition key with the built-in transponder
A code called the transponder code is memorized in the tran sponder. And, the code is registered with ECM. Basically, 
when the ignition switch is turned ON, ECM reads the code by  the coil antenna. Then, if the code in transponder in the 
ignition key does not match with the one  registered with ECM, ECM stops the operati on of the fuel injection so as not 
to start up the engine  and turns the immobilizer indi cator lamp ON and OFF using CA N communication lines. In the 
case of the vehicle equipped with the keyless start system , in addition to the above operation, ECM makes the 
immobilizer indicator lamp ON and OFF when it detects a trouble related to ID code verification of the keyless start 
system.
I3RH0AA30003-01
I3RH0AA30004-01