2006 SUZUKI SWIFT instrument wiring

Downloaded from www.Manualslib.com manuals search engine 9C-9 Instrumentation / Driver Info. / Horn:
A/T Shift Position Indicator Symptom Diagnosis (A/T Model)S7RS0B9304009
Charge Warning Light Symptom DiagnosisS7RS0B9304010
Main Beam (High Beam) Indicator Symptom DiagnosisS7RS0B9304011
ConditionPossible cause Correction / Reference Item
All A/T shift position
indicator does not light up Circuit fuse blown
Replace fuse and check for short circuit.
Transmission range sens or (shift switch)
faulty Check transmission range sensor referring to
“Transmission Range Sensor (Shift Switch)
Inspection and Adjustment in Section 5A”.
Wiring and/or grounding faulty Repair as necessary.
Combination meter faulty Replace combination meter.
TCM faulty Replace after making sure that none of above
parts is faulty.
ConditionPossible cause Correction / Reference Item
Charge warning light
does not come ON Circuit fuse blown
Replace fuse and check for short circuit.
Wiring and/or grounding faulty Repair as necessary.
Combination meter faulty Replace combination meter.
BCM faulty Replace after making sure that none of above
parts is faulty.
Charge warning light stay
ON Charging system faulty
Check charging system.
Wiring and/or grounding faulty Repair as necessary.
Combination meter faulty Replace combination meter.
BCM faulty Replace after making sure that none of above
parts is faulty.
ConditionPossible cause Correction / Reference Item
Main beam (high beam)
indicator does not come
ON Circuit fuse blown
Replace fuse and check for short circuit.
Combination switch faulty Check combination switch referring to
“Headlight Switch (in Lighting Switch)
Inspection in Section 9B”.
Wiring and/or grounding faulty Repair as necessary.
Combination meter faulty Replace combination meter.
Main beam (high beam)
indicator stay ON Combination switch faulty
Check combination switch referring to
“Headlight Switch (in Lighting Switch)
Inspection in Section 9B”.
Wiring and/or grounding faulty Repair as necessary.
Combination meter faulty Replace combination meter.

Downloaded from www.Manualslib.com manuals search engine Instrumentation / Driver Info. / Horn: 9C-10
Warning Buzzer Circuit Symptom DiagnosisS7RS0B9304012
NOTE
• Use of SUZUKI scan tool makes it easy to check wh ether a faulty condition is on the input side or
output side of BCM. For checking procedure, re fer 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.

Cigarette Lighter Symptom Diagnosis (If Equipped)S7RS0B9304013
Horn Symptom DiagnosisS7RS0B9304014
Condition Possible cause Correction / Reference Item
Warning buzzer shows no
sounding Circuit fuse blown
Replace fuse and check for short circuit.
Driver side door switch faulty Check driver side door switch referring to
“Door Switch (Front / Rear Door) Inspection”.
Lighting switch faulty Check lighting switch referring to “Headlight
Switch (in Lighting Switch) Inspection in
Section 9B”.
Key reminder switch faulty Check key reminder switch referring to
“Ignition Switch Inspection”.
Seat belt switch faulty (if equipped) Check seat belt switch referring to “Front Seat
Belt Inspection in Section 8A”.
Wiring and/or grounding faulty Repair as necessary.
BCM faulty Replace after making sure that none of above
parts is faulty.
ConditionPossible 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 and/or grounding faulty Repair as necessary.
ConditionPossible 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 and/or grounding faulty Repair as necessary.
Horn faulty Check horn referring to “Horn Inspection”.

Downloaded from www.Manualslib.com manuals search engine 9C-11 Instrumentation / Driver Info. / Horn:
Information Display Symptom Diagnosis (If Equipped)S7RS0B9304015
NOTE
This thermometer indicates the ambient temperature in back 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.

ConditionPossible cause Correction / Reference Item
No displaying of
information display Circuit fuse Blown
Replace fuse and check for short circuit.
Wiring and/or grounding faulty Repair as necessary.
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 and/or grounding faulty Repair as necessary.
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 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.
Display of thermometer
does not change at 50
°C Outside air temperature is 50
°C (122
° F) or more —
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.
Display of thermometer
does not change at “– – –
°C” Outside air temperature sensor faulty
Check outside air temperature sensor referring
to “Outside Air Temperature Sensor Inspection
(If Equipped)”.
Outside air temperature sensor circuit is
open or short Repair as necessary.
Wiring and/or grounding faulty Repair as necessary.
Information display unit faulty Replace unit.
BCM faulty Replace after making sure that none of above
parts is faulty.

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.

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CD Player
Auto Volume Control System
Remote Audio Control Switch Symptom Diagnosis (If Equipped)S7RS0B9304018
ConditionPossible cause Correction / Reference Item
CD-ROM does not insert Another CD-ROM already inserted Eject CD-ROM.
Circuit fuse blown Replace fuse and check for short circuit.
Wiring and/or grounding faulty Repair as necessary.
Extraneous material come to be mixed
CD player Clear extraneous material from CD player or
replace radio assembly.
Radio assembly faulty Replace radio assembly.
CD-ROM does not eject Circuit fuse blown Replace fuse and check for short circuit.
Wiring and/or grounding faulty Repair as necessary.
Extraneous material come to be mixed
in CD player Clear extraneous material from CD player or
replace radio assembly.
Radio assembly faulty Replace radio assembly.
CD player does not load
CD-ROM CD-ROM faulty
—
CD-ROM inserted wit h incorrect side upInsert correctly.
Temperature in cabin is too hot —
Water droplets form on internal lens Dry about 1 hour with power on.
Radio assembly faulty Replace radio assembly.
Sound skips or is noisy CD-ROM faulty —
Driving vibration —
Water droplets form on internal lens Dry about 1 hour with power on.
Radio assembly installed incorrectly Install correctly.
Radio assembly faulty Replace radio assembly.
CD player 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 or volume
is poor CD-ROM faulty
—
Wiring and/or grounding faulty Repair as necessary.
Speaker installed incorrectly Install correctly.
Speaker faulty Replace speaker.
ConditionPossible cause Correction / Reference Item
Sound volume does not
vary according to
changes of vehicle speed Auto volume control system is “OFF”
mode
Select auto volume control.
Vehicle speed signal faulty Check vehicle speed signal referring to
“Vehicle Speed Signal Inspection (For Audio
Unit) (If Equipped)”.
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”
Radio assembly faulty Replace radio assembly.
ConditionPossible cause Correction / Reference Item
Audio system is
operative, but remote
control switch does not
control audio system Remote audio control switch faulty
Check remote audio control switch referring to
“Remote Audio Control Switch Inspection (If
Equipped)”.
Contact coil faulty Replace contact coil.
Wiring and/or grounding faulty Repair as necessary.
Radio assembly faulty Replace radio assembly.

Downloaded from www.Manualslib.com manuals search engine Instrumentation / Driver Info. / Horn: 9C-14
Navigation Symptom Diagnosis (If Equipped)S7RS0B9304019
Repair Instructions
Ignition Switch Removal and InstallationS7RS0B9306001
Removal
1) Disconnect negative (–) cable at battery.
2) Confirm that ignition key is removed.
3) Remove steering column hole cover (1).
4) Turn steering wheel to remove steering column cover screws (3) and then remove steering column
covers (2).
5) Disconnect couplers (1) from ignition switch (2).
6) Remove ignition switch (2) from key cylinder (3).
Installation
Reverse removal procedure.
Ignition Switch InspectionS7RS0B9306002
• Check for continuity between terminals at each switch
position. If check result is not as specified, replace
switch.
Condition Possible cause Correction / Reference Item
No displaying of
navigation Circuit fuse Blown
Replace fuse and check for short circuit.
Wiring and/or grounding faulty Repair as necessary.
Navigation unit faulty Replace unit.
1
32
I4RS0B920004-02
1 1
2
3
I4RS0A930008-01
PositionTerminal
LOCK
ACC
ON
START
OUT
INK2K1ST
IG2
IG1
ACC
B1 B2
Ignition knob switch
(with keyless start system only)
ACC
IG1 IG2
ST
B2
B1 K2
K1
P2
P1
Terminal
OFF (ignition knob switch released) ON (ignition knob switch pushsed)P1 P2
Key
I5RS0D930003-02

Downloaded from www.Manualslib.com manuals search engine 9C-19 Instrumentation / Driver Info. / Horn:
Installation
Reverse removal procedure noting the following.
• When installing each part, be careful not to catch any
cable or wiring harness.
• Tighten instrument panel mounting bolts to specified
torque
Tightening torque
Instrument panel mounting bolt (a): 23 N·m (2.3
kgf-m, 17.0 lb-ft)
• Tighten steering column mounting nuts referring to “Steering Column Removal an d Installation in Section
6B”.
• Enable air bag system referring to “Enabling Air Bag System in Section 8B”.
Information Display (Clock) Removal and
Installation
S7RS0B9306016
Removal
1) Remove information display (clock) garnish (1) from instrument panel (2) pulling it arrow direction as
shown.
2) Remove information di splay (clock) (3) from
instrument panel (2) pulli ng it in arrow direction
shown in figure.
3) Disconnect information display (clock) coupler. Installation
Reverse removal procedure.
Audio Unit Removal and InstallationS7RS0B9306017
Removal
1) Disconnect negative (–) cable at battery.
2) Remove globe box referring to Step 6) of “Instrument Panel Removal and Installation”.
3) Remove 2 mounting bolts (1).
4) Disconnect electrical connectors from audio unit.
5) Remove audio unit (2) from instrument panel.
Installation
Reverse removal procedure.
Front Speaker Removal and InstallationS7RS0B9306018
Removal 1) Remove front door trim refe rring to Step 1) to 3) of
“Front Door Glass Remo val and Installation in
Section 9E”.
2) Remove 3 front speaker mounting screws (1).
3) Remove front speaker (2) from front door panel (3).
4) Disconnect front speaker coupler from front speaker (2).
Installation
Reverse removal procedure.
(a) (a)
I4RS0B930013-01
1
2I4RS0A930032-01
3
2I4RS0A930025-01
2
1
1
I4RS0B930014-01
1
2
3
I4RS0A930027-01

Downloaded from www.Manualslib.com manuals search engine Table of Contents 10- i
10
Section 10
CONTENTS
Control Systems
Precautions ............................................... 10-1
Precautions........................................................... 10-1
Precautions for Control Systems......................... 10-1
Body Electrical Contro l System ........... 10B-1
Precautions......................................................... 10B-1
Precautions in Diagnosing Trouble ................... 10B-1
General Description ........................................... 10B-1 BCM General Description ................................. 10B-1
CAN Communication System Description......... 10B-2
Theft Deterrent Light ......................................... 10B-3
Security Alarm Description (If Equipped) .......... 10B-3
Schematic and Routing Diagram ...................... 10B-4 Body Electrical Control System Wiring Circuit Diagram .......................................................... 10B-4
Connector Layout Diagram of BCM and Junction Block Assembly ................................ 10B-7
Component Locatio n ......................................... 10B-8
BCM and Related System Component Location .......................................................... 10B-8
Diagnostic Information an d Procedures .......... 10B-9
BCM Self-Diagnosis Function ........................... 10B-9
Body Electrical Control System Check............ 10B-10
Scan Tool Data ............................................... 10B-12
DTC Table ....................................................... 10B-14
DTC Check ..................................................... 10B-14
DTC Clearance ............................................... 10B-15
BCM Power Circuit and Ground Circuit Check 10B-16
DTC B1133 (DTC No. 1133): Battery Voltage Too High ....................................................... 10B-17
DTC B1141 / DTC B1142 (No. 1141 / No. 1142): Outside Air Temperature (Ambient
Temp.) Sensor Circuit Ma lfunction ................ 10B-18
DTC B1150 (No. 1150): Air Bag Communication Circuit Malfunction .............. 10B-19
DTC B1157 (No. 1157): Air Bag Deployment Signal Input ................................................... 10B-20
DTC B1170 (No. 1170 ): EEPROM Access
Error .............................................................. 10B-21
DTC U0155 (No. 0155): Lost Communication with Instrument Panel Cluster (IPC) Control
Module .......................................................... 10B-21
DTC U1073 (No. 1073): Control Module Communication Bus Off ................................ 10B-24 DTC U1100 (No. 1100): Lost Communication
with ECM ....................................................... 10B-25
DTC U1101 (No. 1101): Lost Communication with TCM ....................................................... 10B-27
DTC U1144 (No. 1144): Lost Communication with Keyless Start Control Module ................ 10B-29
Inspection of BCM and its Circuits .................. 10B-31
Repair Instructions ........... ...............................10B-39
BCM (Included in Junction Block Assembly) Removal and Installation ............................... 10B-39
Outside Air Temperature Sensor Removal and Installation .............................................. 10B-39
Outside Air Temperature Sensor Inspection ... 10B-39
Security Alarm Mode Selection Procedure (If Equipped) ...................................................... 10B-39
Special Tools and Equipmen t .........................10B-40
Special Tool .................................................... 10B-40
Immobilizer Control Syst em ................. 10C-1
Precautions.........................................................10C-1
Precautions in Diagnosing Troubles .................10C-1
Precaution in Replacing ECM ...........................10C-1
Precautions in Handli ng Immobilizer Control
System ............................................................10C-1
General Description ...........................................10C-2 Immobilizer Control System Introduction ..........10C-2
Immobilizer Control System Components Location...........................................................10C-3
On-Board Diagnostic System Description (Self-diagnosis Function) ................................10C-3
Schematic and Routing Diag ram ......................10C-4
Immobilizer Control System Wiring Circuit Diagram...........................................................10C-4
Diagnostic Information an d Procedures ..........10C-5
Immobilizer Control System Check ...................10C-5
Diagnostic Trouble Code (DTC) Check.............10C-5
Diagnostic Trouble Code (DTC) Clearance ......10C-6
Diagnostic Trouble Code (DTC) Table ..............10C-6
Scan Tool Data .................................................10C-7
Immobilizer Indicator Lamp Does Not Come ON with Ignition Switch ON and Engine Stop ..10C-7
Immobilizer Indicator Lamp Remains ON after Engine Starts...................................................10C-8
DTC P1614: Transponder Re sponse Error .......10C-9