diagnosis SUZUKI SWIFT 2008 2.G Service Workshop Manual
Page 1471 of 1496
Downloaded from www.Manualslib.com manuals search engine Keyless Start System:  10E-9
Customer Questionnaire (Example)S7RS0BA504005
3 1) Inspect and repair basic parts referring to “Keyless Start System Symptom Diagnosis”.
Is there faulty condition? Repair or replace 
malfunction part(s), and 
go to Step 5.
Go to Step 4.
4 1) Check for intermittent problems referring to “Intermittent  and Poor Connection Inspection in Section 00”.
Is there any faulty condition? Repair or replace 
malfunction part(s), and 
go to Step 5.
Go to Step 5.
5 1) Confirm if the problem is solved and the keyless start  system is free from any abnormal conditions. If what has 
been repaired is related to  the DTC, clear the DTC once 
and then confirm that no DTC is indicated.
Is there any problem symptom, DTC or abnormal condition? Go to 2) of Step 1 and 
perform trouble 
diagnosis again.
End.
Step Action Yes No
Customers name: 
  Model: 
 VIN: 
 
Date of issue: 
  Date Reg: 
 Date of problem: 
  Mileage: 
 
Problem Symptoms 
Engine can not be started by turning Ignition knob 
switch 
All doors can not be locked / unlocked by all of 
request switches 
Other            
Frequency of Occurrence Continuous / Intermittent (      times a day, a month) 
/ Other          
 
Environmental Condition 
Weather:  
Fine / Cloudy / Rain / Snow / Other          
 
Temperature:    (F ) 
Stopping near area where intense radio waves are 
emitted such as TV station, radio station, etc. 
Yes / No 
Diagnostic Trouble Code 
First check: 
Normal code / malfunction code (           ) 
Second check:   
Normal code / malfunction code (           ) 
I4RS0BA50007-03  
Page 1472 of 1496
Downloaded from www.Manualslib.com manuals search engine 10E-10 Keyless Start System: 
Key Indicator Lamp CheckS7RS0BA504006
Push the ignition knob switch (2) of the steering lock unit 
(1) and check that the key indicator lamp (3) in the 
combination meter lights up in red or blue. If it does not 
light, go to “Key Indicator Lamp Circuit Check (Key 
indicator lamp doesn’t light when ignition knob switch is 
pushed.)”.
DTC CheckS7RS0BA504007
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 Lamp 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.
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2
I4RS0BA50008-01
2
1
3
I4RS0BA50009-02  
Page 1474 of 1496
Downloaded from www.Manualslib.com manuals search engine 10E-12 Keyless Start System: 
DTC ClearanceS7RS0BA504009
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 lamp indicates DTC No. 12 (Normal).
4) After completing DTC clearance, remove ignition key from ignition key cylinder.
Keyless Start System Symptom DiagnosisS7RS0BA504010
Door Lock Function of Keyless Start System
NOTE
Before performing trouble diagnosis procedure for door  lock function of keyless start system, check 
that power door lock system operates properly referring to “Power Door Lock System Operation 
Inspection in Section 9F”. If power door lock system does not operate properly, go to “Power Door 
Lock System Symptom Diagnosis in Section 9F”.
 
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I4RS0BA50011-02
Condition
Possible cause Correction / Reference Item
All doors can not be 
locked / unlocked by all of 
door request switches Circuit fuse(s) blown
Replace fuse(s) and check for short circuit.
Remote controller battery dead Replace battery.
Remote controller faulty Check remote controller for operation referring 
to “Remote Controller Inspection”.
Wiring or grounding faulty Repair circuit.
Antennas or keyless start control 
module faulty Check input and output signals of keyless start 
control module referring to “Inspection of 
Keyless Start Control Mo
dule and Its Circuits”.
BCM faulty Check input and output signal of BCM referring 
to “Inspection of BCM and its Circuits in 
Section 10B”.
All doors can not be 
locked / unlocked by any 
one of door request 
switch Request switch faulty
Check request switch for operation referring to 
“Front Door (Driver and Passenger Side), Rear 
End Door Request Switch Inspection”.
Wiring or grounding faulty Repair circuit.
Antennas or keyless start control 
module faulty Check input and output signals of keyless start 
control module referring to “Inspection of 
Keyless Start Control Mo
dule and Its Circuits”.
BCM faulty Check input and output signal of BCM referring 
to “Inspection of BCM and its Circuits in 
Section 10B”.  
Page 1475 of 1496
Downloaded from www.Manualslib.com manuals search engine Keyless Start System:  10E-13
Keyless Engine Start Function
NOTE
Before performing symptom diagnosis procedure for keyless engine start system, check that engine 
starts by using ignition key. If it cannot be started by using ignition key, go to “Engine Symptom 
Diagnosis in Section 1A”.
 
Keyless Start System Operation InspectionS7RS0BA504011
Keyless engine start operation
1) Sit in driver seat with re mote 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 lamp (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 lamp 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 
lamp in combination mete r turns off. In such 
case, take your hand off from ignition knob 
switch once and operate it again.
 
Condition Possible cause Correction / Reference Item
Engine can not be started 
by turning Ignition knob 
switch Circuit fuse(s) blown
Replace fuse(s) and check for short circuit.
Remote controller battery dead Replace battery.
Remote controller faulty Check remote controller for operation referring 
to “Remote Controller Inspection”.
Steering lock unit faulty Check steering lock unit for operation referring 
to “Steering Lock Unit Inspection”.
Wiring or grounding faulty Repair circuit.
Antennas or keyless start control 
module faulty Check input and output signals of keyless start 
control module referring to “Inspection of 
Keyless Start Control Mo
dule and Its Circuits”.
ECM faulty Check input and output signal of ECM referring 
to “Inspection of ECM and Its Circuits in 
Section 1A”.
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I4RS0BA50012-01