2006 SUZUKI SX4 check engine light

Downloaded from www.Manualslib.com manuals search engine Keyless Start System: 10E-11
DTC CheckS6RW0DA504007
1) Check to make sure that all doors are closed.
2) Open driver side door window glass and door.
3) Check to make sure that ignition key is not inserted
in ignition key cylinder. If it is, remove it.
4) Perform “Key Indicator Light Check”.
5) Close driver side door and within 15 seconds after
that, perform Steps a) through e) described below.
a) Insert ignition key (1) in ignition key cylinder (2).
b) Remove ignition key from ignition key cylinder.
c) Repeat Steps a) and b) twice.
d) Insert ignition key in ignition key cylinder.
e) Push driver side door request switch (3) 4 times.
At the end of Step e), buzzer sounds 4 times to
inform that trouble diagnosis mode has started.6) Read flashing pattern of key indicator light (1) which
represents DTC as shown in example below and
write it down. When more than 2 DTCs are stored in
memory, flashing for each DTC is repeated three
times starting with the smallest DTC number in
increasing order.
NOTE
Go to “No DTC Detection After Performing
DTC Check” in case that any DTC is detected
after performing the procedure mentioned
above.

7) After completing the check, remove ignition key from
ignition key cylinder.
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I4RS0BA50009-02
[A]: DTC No. 12 (Normal) a: 0.3 seconds
[B]: DTC No. 52 b: 1.0 second
H: Key indicator light turned ON c: 3.0 seconds
L: Key indicator light turned OFF
bc a a
[A]
H
L
H
L [B]
52
bac a 2 11baa2
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Downloaded from www.Manualslib.com manuals search engine 10E-12 Keyless Start System:
DTC TableS6RW0DA504008
DTC ClearanceS6RW0DA504009
1) Perform Steps 1) through 5) of DTC check procedure
and have DTC indicated.
2) Open driver side door.
3) Close driver side door and within 10 seconds after
that, perform Steps a) to c) described below.
a) Push unlock side (3) of driver side manual door
lock switch (1).
b) Push lock side (2) of driver side manual door
lock switch.
c) Repeat Steps a) and b) 3 times.
At the end of Step c), DTCs are cleared and key
indicator light indicates DTC No. 12 (Normal).
4) After completing DTC clearance, remove ignition key
from ignition key cylinder. DTC (Flashing pattern
of key indicator light)Detected parts item Detecting condition
) 11Communication Error with Steering
Lock UnitNo communication is available between keyless
start control module and steering lock unit
12 — Normal (No malfunction DTC is detected)
) 13Release Signal Error from Steering
Lock UnitAlthough lock release signal is output to steering
lock unit, it is not inputted from steering lock unit
) 14Steering Lock Unit Malfunction Steering lock unit cannot be unlocked due to its
temperature rise
) 21Internal Error in Keyless Start Control
Module (EEPROM Reading Error)Data cannot be read from memory in keyless start
control module
) 22Internal Error in Keyless Start Control
Module (EEPROM Writing Error)Data cannot be written into memory in keyless start
control module
) 31Lost Communication with BCM Keyless start control module cannot receive data
sent by CAN from BCM
) 33Control Module Communication Bus
OffNo communication is available with all control
modules connected by CAN
) 51Driver Side Door Request Switch
MalfunctionInput signal from driver side door request switch
remains ON, unchanged
) 52Passenger Side Door Request Switch
MalfunctionInput signal from passenger side door request
switch remains ON, unchanged
) 53Rear End Door Request Switch
MalfunctionInput signal from rear end door request switch
remains ON, unchanged
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Downloaded from www.Manualslib.com manuals search engine 10E-14 Keyless Start System:
Keyless Start System Operation InspectionS6RW0DA504011
Keyless Engine Start Operation
1) Sit in driver seat with remote controller carried with
you.
2) Check that all doors are closed and ignition key is
not inserted in ignition key cylinder.
3) While pushing ignition knob switch (1) of steering
lock unit, check if ignition knob switch can be turned
from its lock position.
If key indicator light (2) in combination meter lights in
blue and ignition knob switch can be turned from its
lock position in this check, keyless engine start
operation is in good condition.
If key indicator light in combination meter lights in red
and ignition knob switch cannot be turned from its
lock position in this check, go to “Keyless Start
System Check”.
NOTE
Pushing ignition knob switch for 5 seconds
or longer causes function to protect steering
lock releasing solenoid against heat to work.
Then steering lock unit stops energizing
solenoid, preventing ignition knob switch
from turning. At the same time, key indicator
light in combination meter turns off. In such
case, take your hand off from ignition knob
switch once and operate it again.

Door Lock Operation (Keyless Start System)S6RW0DA504012
1) Check that all door locks are released and all doors
are closed.
2) With remote controller of which ID code is registered
in keyless start control module carried with yourself,
check that pushing driver door request switch once
locks all doors.
3) Check that pushing request switch of driver door,
passenger door or rear end door once releases
corresponding door lock.
4) Check that pushing again request switch pushed in
Step 3) releases all door locks.
NOTE
If door of which request switch has been
pushed is opened/closed before performing
Step 4), all door locks will not be released
even when Step 4) is performed. If Step 4) is
performed after door is opened/closed, only
the door of which request switch was pushed
will be locked.

Inspection of Keyless Start Control Module and
Its Circuits
S6RW0DA504013
Keyless start control module and its circuits can be
checked at keyless start control module wiring couplers
by measuring voltage and resistance.
CAUTION!
Keyless start control module cannot be
checked by itself. It is strictly prohibited to
connect voltmeter or ohmmeter to keyless
start control module with coupler
disconnected from it.

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I4RS0BA50013-01

Downloaded from www.Manualslib.com manuals search engine 10E-20 Keyless Start System:
No DTC Detection After Performing DTC CheckS6RW0DA504014
Wiring Diagram
Description
The keyless start control module detects DTC by using signals from the key reminder and driver side door request
switches. The keyless start control module makes the key indicator light in the combination meter flash on and off by
using CAN communication.
Troubleshooting
BLK/ORNG16-9
G16-15
G16-14
G16-16
G16-20G16-29G16-30
G16-10
G16-34
G16-11BLU/WHT
WHT/RED
WHT/RED
WHT/RED
PPL
RED/BLK
5V5V 5V5V
5V12V
12VWHTREDWHTREDG16-18G16-19G241-10G241-7
BLU/YEL
ORN
BLK/YELBRN/YELBRNG146-3
G146-1
G146-2G146-5
G146-4
G146-6
G146-7G146-8
WHT/RED
WHT/RED
G241-32
6 7
81
2
4 53
20 12 3 4 5 6 7 8 9 10 11 14 15 16
36 34 33 32 30 29 24 23 37 18 19
[A]
9
G16
I7RW01A50004-02
[A]: Keyless start control module connector (viewed from harness side) 4. Ignition knob switch 8. Key indicator light
1. Keyless start control module 5. Key reminder switch 9. CAN junction connector
2. Steering lock unit 6. Driver side door request switch
3. Steering lock solenoid 7. Combination meter
Step Action Yes No
1Combination meter power and ground circuit check
1) Turn ignition switch to ON position.
Do warning lights in combination meter other than key
indicator light light up?Go to Step 2. Check main fuse, circuit
fuse, combination meter
power and ground
circuit.
2Driver side door request switch and its circuit check
1) Check driver side door request switch and its circuit
referring to “DTC No. 51 / No. 52 / No. 53: Driver Side /
Passenger Side / Rear End Door Request Switch
Failure”.
Is it in good condition?Go to Step 3. Repair or replace
malfunction part.
3Key reminder switch and its circuit check
1) Turn ignition switch to OFF position.
2) Disconnect connector from ignition switch.
3) Check key reminder switch for operation referring to
“Ignition Switch Inspection in Section 9C”.
4) If OK, check for open, short and high resistance in key
reminder switch circuit.
Is it in good condition?Go to Step 4. Repair or replace
malfunction part.

Downloaded from www.Manualslib.com manuals search engine Keyless Start System: 10E-21
Key Indicator Light Circuit Check (Key Indicator Light Doesn’t Light when Ignition Knob Switch is
Pushed)
S6RW0DA504015
Wiring Diagram4Keyless start control module power and ground circuit
check
1) Check keyless start control module power and ground
circuit for condition referring to “Keyless Start Control
Module Power and Ground Circuit Check”.
Is it in good condition?Go to Step 5. Repair circuit.
5CAN communication circuit check
1) Turn ignition switch to OFF position.
2) Disconnect connectors of all control modules
communicating by means of CAN.
3) Check CAN communication circuit between control
modules for open, short and high resistance.
Is each CAN communication circuit in good condition?Substitute a known-
good keyless start
control module and
recheck.Repair circuit. Step Action Yes No
5V5V 5V5V5V 12V
1 2 3 4 5 6 7 8 9 10 11 14 15 16
36 34 33 32 30 29 24 23 37 18 19 20
12
4
5
7 6
[A]8
3
G16
9
WHT/RED
WHTREDG16-18G16-19WHTREDG241-10G241-7
WHT/REDG241-32
WHT/REDG146-6
G146-3G146-7G146-8
G146-1
G146-2G146-5
G146-4WHT/RED
WHT/RED
G16-20G16-29G16-30BLK/YELBRN/YELBRN
G16-14
G16-34
BLU/YEL
ORN
BLK/ORNG16-9
G16-15
G16-10
G16-11BLU/WHT
WHT/RED
RED/BLK
I7RW01A50005-01
[A]: Keyless start control module connector (viewed from harness side) 5. Steering lock solenoid
1. Keyless start control module 6. Key reminder switch
2. Combination meter 7. Ignition knob switch
3. Key indicator light 8. CAN junction connector
4. Steering lock unit 9. Ignition knob switch signal circuit

Downloaded from www.Manualslib.com manuals search engine 10E-22 Keyless Start System:
Description
When the ignition knob switch is pushed, the key indicator light lights up in blue if you carry the remote controller
registered in the keyless start control module and it lights in red if you carry the remote controller which has not been
registered in the keyless start control module or if you carry no remote controller.
Troubleshooting
Step Action Yes No
1Combination meter power and ground circuit check
1) Turn ignition switch to ON position.
Do warning lights in combination meter other than key
indicator light light up?Go to Step 2. Check main fuse, circuit
fuse, combination meter
power and ground
circuit.
2Keyless start control module power and ground circuit
check
1) Check keyless start control module power and ground
circuit for condition referring to “Keyless Start Control
Module Power and Ground Circuit Check”.
Is it in good condition?Go to Step 3. Repair circuit.
3Steering lock unit ignition knob switch check
1) Check ignition knob switch of steering lock unit for
operation referring to “Steering Lock Unit Inspection”.
Is it in good condition?Go to Step 4. Replace steering lock
unit.
4Wire harness check
1) Turn ignition switch to OFF position.
2) Disconnect connectors from keyless start control
module, steering lock unit and combination meter.
3) Check for open, short and high resistance in following
circuits.
• Ignition knob switch signal circuit
• Keyless start control module and combination meter
CAN communication circuit
Is each circuit in good condition?Go to Step 5. Repair circuit.
5Keyless start system operation check
1) With remote controller of which ID code is registered in
keyless start control module carried with you, try to turn
ignition knob switch.
Can it be turned to any position other than “LOCK” position?Replace combination
meter.Substitute a known-
good keyless start
control module and
recheck.

Downloaded from www.Manualslib.com manuals search engine Keyless Start System: 10E-29
Keyless Start Control Module Removal and
Installation
S6RW0DA506006
Removal
1) Disconnect negative cable at battery.
2) Remove glove box from instrument panel.
3) Disconnect connector from keyless start control
module.
4) Remove keyless start control module mounting bolt
and then remove keyless start control module (1)
from steering support member (2).
Installation
For installation, reverse removal procedure.
If keyless start control module is replaced, register ID
code of remote controller into keyless start control
module, referring to “Registration Procedure for Remote
Controller ID Code”.
Remote Controller InspectionS6RW0DA506007
Check that remote controller operation indicator light (3)
lights up when lock (1), unlock (2) or panic (4) (if
equipped) button of remote controller is pushed.
If it doesn’t light up in this check, replace battery and
then recheck. If it doesn’t light up even after battery
replacement, replace remote controller.
NOTE
When remote controller transmits lock,
unlock or panic signal, it makes operation
indicator light light up.

Replacement of Remote Controller BatteryS6RW0DA506008
If remote controller operation indicator light fails to light
up when lock or unlock button of remote controller is
pushed, replace its battery as follows.
1) If ignition key (1) is inserted in remote controller,
remove it.
2) With tip of flat blade screwdriver (2) put in slot (3) of
remote controller (4), pry it open.
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I4RS0BA50032-01