2006 SUZUKI SX4 light

Downloaded from www.Manualslib.com manuals search engine 10B-13 Body Electrical Control System:
DTC TableS6RW0DA204004
DTC
(displayed on
SUZUKI scan
tool)DTC (indicated
by theft
deterrent light) DTC (displayed on
odometer in
combination meter) Detected item Detecting condition
NO DTC 0000 0000 — No DTC detected
) B1133 1133 b1133 Battery voltage too high Battery voltage too high
) B1141 1141 b1141Outside air temperature
(ambient temperature)
sensor circuit openSensor output voltage too high
) B1142 1142 b1142Outside air temperature
(ambient temperature)
sensor circuit short to
groundSensor output voltage too low
) B1150 1150 b1150Air bag communication
circuit malfunctionAir bag communication circuit
open or short to ground
) B1157 1157 b1157Air bag deployment signal
inputAir bag deployment signal
inputted
) B1170 1170 b1170 EEPROM access error Memory error
) U0073 0073 U0073Control module
communication bus offTransmitting and receiving
error of BCM for specified time
continuously
) U0100 0100 U0100Lost communication with
ECMReceiving error of BCM from
ECM for specified time
continuously
) U0101 0101 U0101Lost communication with
TCMReceiving error of BCM from
TCM for specified time
continuously
) U0155 0155 U0155Lost communication with
instrument panel cluster
(IPC) control moduleReceiving error of BCM from
combination meter for
specified time continuously
) U1144 1144 U1144Lost communication with
keyless start control moduleReceiving error of BCM from
keyless start control module
for specified time continuously

Downloaded from www.Manualslib.com manuals search engine Body Electrical Control System: 10B-14
DTC CheckS6RW0DA204005
Using SUZUKI Scan Tool
1) Prepare SUZUKI scan tool.
2) With ignition switch turned OFF, connect it to data link connector (DLC) located on underside of instrument panel
of driver’s side.
Special tool
(A): SUZUKI scan tool
3) Turn ignition switch ON.
4) Read DTC according to instructions displayed on SUZUKI scan tool and print it or write it down.
Refer to SUZUKI scan tool operator’s manual for further details.
If communication between SUZUKI scan tool and BCM is not possible, check if SUZUKI scan tool is
communicable by connecting it to BCM in another vehicle. If communication is possible in this case, SUZUKI scan
tool is in good condition. Then check data link connector and serial data line (circuit) in the vehicle with which
communication was not possible.
5) After completing the check, turn ignition switch off and disconnect SUZUKI scan tool from data link connector.
Without Using SUZUKI Scan Tool
1) Turn ignition switch to OFF position.
2) Perform following Steps a) to d) within 10 seconds after ignition switch is turned ON and engine stops.
a) Turn headlight switch to “SMALL” position.
b) Turn headlight switch to “OFF” position.
c) Repeat Steps a) and b) 2 times.
d) Press and release driver side door switch 3 times.
(A)
I5RW0AA20008-02

Downloaded from www.Manualslib.com manuals search engine 10B-15 Body Electrical Control System:
3) Check DTC displayed on odometer of combination meter or read flashing pattern of theft deterrent light which
represents DTC as shown in the following example and write it down.
When more than 2 DTCs are stored in memory, flashing for each DTC starts with the smallest DTC number in
increasing order. Also, DTC is indicated repeatedly until the ignition switch is turned OFF.
4) After completing the check, turn ignition switch to OFF position.
DTC ClearanceS6RW0DA204006
After repair or replace of malfunction part(s), clear all DTCs by performing the following procedure.
Using SUZUKI Scan Tool
1) Connect SUZUKI scan tool to data link connector in the same manner as when making this connection for DTC
check.
2) Turn ignition switch ON and engine stops.
3) Erase DTC according to instructions displayed on scan tool. Refer to scan tool operator’s manual for further
details.
4) After completing the clearance, turn ignition switch off and disconnect scan tool from data link connector.
Without Using SUZUKI Scan Tool
1) Turn ignition switch to OFF position.
2) Perform following Steps a) to d) within 10 seconds after ignition switch is turned ON and engine stops.
a) Turn headlight switch to “SMALL” position.
b) Turn headlight switch to “OFF” position.
c) Repeat Steps a) and b) 3 times.
d) Press and release driver side door switch 4 times.
3) After completing above Steps, confirm that no malfunction DTC is detected.
B A [B] [A]
[C]
B A B A
3 113
3 113 T2
T1 T1 T1T1
1
2
T2T2
T2
T1 T1 T1T1T2T2
0
T2
0
T2
0
T2
0
T2
11 6 0
T1 T1 T1
T2 T3T2T2T2
I5RW0AA20009-01
[A]: No DTC (No. 0000) A: Indicator lamp turned ON T2: 1.0 seconds 2. Odometer
[B]: DTC B1133 (No. 1133) B: Indicator lamp turned OFF T3: 3.0 seconds
[C]: When 2 DTCs are detected T1: 0.3 seconds 1. Theft deterrent light

Downloaded from www.Manualslib.com manuals search engine 10B-23 Body Electrical Control System:
BCM connector “G04”E04-13 — — —
E04-14 — — —
Terminal Circuit Normal voltage Condition
G04-1CAN communication line (low)
for DLC*1.6 – 2.5 V
Refer to “Reference waveform No. 3: ” G04-2CAN communication line (low)
for each control module*1.6 – 2.5 V
G04-3CAN communication line
(high) for DLC*2.5 – 3.6 V
G04-4CAN communication line
(high) for each control module*2.5 – 3.6 V
G04-5Serial communication line of
data link connector 7 – 12 V Ignition switch is at ON position
G04-6 — — —
G04-7 — — —
G04-8 Theft deterrent light10 – 14 V Theft deterrent light is not lit up
0 V Theft deterrent light is lit up
G04-9 — — —
G04-10 — — —
G04-11Serial communication line for
information display and HVAC
control module (if equipped)*0 – 1 V
↑↓
10 – 14 VRefer to “Reference waveform No. 5: ”
G04-12Ground for keyless entry
receiver (if equipped)0 V —
G04-13Power supply for keyless
entry receiver (if equipped)4 – 6 V Ignition switch is at all positions
G04-14Signal for keyless entry
receiver (if equipped)*0 – 1 V
↑↓
4 – 6 VRefer to “Reference waveform No. 6: ”
G04-15 Vehicle speed signal output*0 – 1 V
↑↓
4 – 6VRefer to “Reference waveform No. 7: ”
G04-16 Key reminder switch10 – 14 V Ignition key is inserted to ignition key cylinder
0 VIgnition key is pulled out from ignition key
cylinder
G04-17Rear end door window
defogger switch*3 – 14 V Refer to “Reference waveform No. 8: ”
0 VIgnition switch is at ON position and rear end
door window defogger switch is pushed
G04-18 A/C switch (if equipped)*3 – 14 V Refer to “Reference waveform No. 8: ”
0 VIgnition switch is at ON position, blower speed
selector is at any position other than OFF
position and A/C switch is at ON position
G04-19 — — —
G04-20 — — —
G04-21 Rear wiper INT switch*0 – 1 V
↑↓
10 – 14 VRefer to “Reference waveform No. 9: ”
0 VIgnition switch is at ON position and rear
wiper switch is at INT position
G04-22 Rear wiper low switch*0 – 1 V
↑↓
10 – 14 VRefer to “Reference waveform No. 9: ”
0 VIgnition switch is at ON position and rear
wiper switch is at LOW position Terminal Circuit Normal voltage Condition

Downloaded from www.Manualslib.com manuals search engine Body Electrical Control System: 10B-24
Junction block connector “E324”
Junction block connector “E325”
Junction block connector “G271”
Junction block connector “G272”
Junction block connector “G273”
Junction block connector “L312”
Junction block connector “L313”Terminal Circuit Normal voltage Condition
E324-2 Backup power source 10 – 14 V Ignition switch is at all positions
Terminal Circuit Normal voltage Condition
E325-3 Horn10 – 14 V Horn switch is at ON position
0 V Horn switch is at OFF position
Terminal Circuit Normal voltage Condition
G271-3 Ground for BCM 0 V Ignition switch is at all positions
G271-7Rear end door window
defogger indicator light10 – 14 VEngine is running and rear end door window
defogger indicator light is lit up
0 VEngine is running and rear end door window
defogger indicator light is not lit up
Terminal Circuit Normal voltage Condition
G272-3 Horn switch10 – 14 V Horn switch is not pushed
0 V Horn switch is pushed
G272-7 Lighting switch10 – 14 VEngine is running (with DRL model) or lighting
switch is at any position other than OFF
position
0 V Lighting switch is at OFF position
G272-9 Ground for BCM 0 V Ignition switch is at all positions
G272-11 Hazard warning switch10 – 14 V Hazard warning switch is at OFF position
0 VHazard warning switch is at ON position or
lock or unlock button of keyless entry
transmitter (answer back control) is pushed
Terminal Circuit Normal voltage Condition
G273-2 Power source (IG)10 – 14 V Ignition switch is at ON position
0 VIgnition switch is at any position other than
ON position
G273-5 Power source (ACC)10 – 14 V Ignition switch is at ACC or ON position
0 VIgnition switch is at any position other than
ACC or ON position
Terminal Circuit Normal voltage Condition
L312-4Power supply for rear wiper
motor10 – 14 VIgnition switch is at ON position
L312-5 Interior light10 – 14 VInterior light switch is at DOOR position and
interior light is not lit up
0 VInterior light switch is at DOOR position and
interior light is lit up
Terminal Circuit Normal voltage Condition
L313-2 Air bag communication line*0 – 1 V
↑↓
4 – 6 VRefer to “Reference waveform No. 10: ”
L313-3Serial communication line of
data link connector for SDM7 – 12 V Ignition switch is at ON position

Downloaded from www.Manualslib.com manuals search engine 10C-2 Immobilizer Control System:
• 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 system may detect some
abnormal condition and prevent the engine from
starting.
General Description
Immobilizer Control System IntroductionS6RW0DA301001
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. For immobilizer control
system components location, refer to “Immobilizer Control System Components Location”.
•ECM
• ICM with the built-in coil antenna
• Ignition key with the built-in transponder
A code called the transponder code is memorized in the transponder. 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 operation of the fuel injection so as not
to start up the engine and turns the immobilizer indicator light ON and OFF using CAN communication lines. (In
addition to the above operation, ECM also turns the immobilizer indicator light ON and OFF when some trouble is
detected in the keyless start system.)
On-Board Diagnostic System Description (Self-diagnosis Function)S6RW0DA301002
ECM diagnoses if there is any trouble with the immobilizer control system. The diagnostic information is stored as the
diagnostic trouble code (DTC) in ECM. To read the diagnostic information, use SUZUKI scan tool referring to “DTC
Check”.
With the ignition switch turned ON (but the engine at stop) regardless of the condition of the engine and emission
control system, ECM indicates whether there is any trouble with the immobilizer control system or not by either lighting
ON or flashing ON and OFF the immobilizer indicator light.
Immobilizer indicator light lights ON:
No trouble exists in the immobilizer control system. (After starting up the engine, the light turns OFF.)
Immobilizer indicator light flashes ON and OFF:
There is some trouble in the immobilizer control system or in the keyless start system. Its diagnostic information is
stored in ECM.
I3RH0AA30003-01
I3RH0AA30004-01

Downloaded from www.Manualslib.com manuals search engine 10C-4 Immobilizer Control System:
BLK/WHT
BLK/ORN12V
G17-1
G17-2
12V
5V
12V
12VYEL/RED
YEL/BLK
G17-4
G17-3
5V
BRNBRN/YELBLK/YEL
1 2
22
2 34
251014
15
1 2 3
4 G17
[A]
5
6
G16-20 G16-29 G16-30 G146-3 G146-7 G146-8
WHT/RED
5V
5V
9
G16-18G16-19 E01-13
E01-28
BLU
RED
WHTE08-12
E08-1E01-18
E01-3
RED
WHTE08-13
E08-2
WHT
RED
G05-4
G05-2
12V
G05-35 8
11
G17-5WHT 76
G17-6WHT/RED
17
REDWHT
REDWHT
G241-10 G241-7
IG1
18
WHT
REDG05-1
G05-3
16 [C]
I6RW0DA30002-01
[A]: ICM connector (harness side view) 5. ICM 12. To SDM
[B]: Junction block with BCM type 6. Illumination ring (if equipped) 13. To ABS control module
[C]: Junction block without BCM type 7. To BCM 14. Steering lock unit (keyless start model)
1. Battery 8. ABS control module 15. Keyless start control module (if equipped)
2. Fuse 9. DLC 16. CAN junction connector
3. Ignition switch 10. ECM 17. Combination meter
4. Junction block 11. BCM 18. Immobilizer indicator light

Downloaded from www.Manualslib.com manuals search engine Immobilizer Control System: 10C-5
Component Location
Immobilizer Control System Components LocationS6RW0DA303001
Diagnostic Information and Procedures
Immobilizer Control System CheckS6RW0DA304001
3
4567
1
2
2
13
I6RW0BA30001-01
1. ECM 5. Ignition key (non keyless entry model)
2. Immobilizer indicator light 6. Ignition key (keyless start model)
3. ICM 7. Transponder
4. Ignition key (keyless entry model)
Step Action Yes No
1Immobilizer indicator light check
1) Turn ignition switch to ON position using ignition key.
Does immobilizer indicator light come on?Go to Step 2. Check if DTC P1636
and/or P1638 are
detected by ECM
referring to “DTC
Check”. If detected, go
to applicable DTC diag.
flow. If not detected, go
to “Immobilizer Indicator
Light Does Not Come
ON with Ignition Switch
ON and Engine Stop”.
2Immobilizer indicator light check
Does immobilizer indicator light flash on and off continuously
in Step 1?Check ECM for DTC
referring to “DTC
Check”. Then, go to
applicable DTC diag.
flow.Go to Step 3.
3Engine start check
1) Start engine using ignition key.
Does engine start?Go to Step 4. Go to “Engine and
Emission Control
System Check in
Section 1A”.
4Immobilizer indicator light check
1) Check if immobilizer indicator light remains ON after
engine start.
Does immobilizer indicator light remains ON after engine
start?Go to “Immobilizer
Indicator Light Remains
ON after Engine Start”.Immobilizer control
system is in good
condition. Then, go to
“Keyless Start System
Check in Section 10E”
for keyless start model.