Diagnostic Information And Procedures; Immobilizer Control System Check; Diagnostic Trouble Code (Dtc) Check - Suzuki Swift Sport 2004 Service & Repair Manual

10C-5 Immobilizer Control System:

Immobilizer Control System Check

Step
1 Immobilizer indicator lamp check
Turn ignition switch to ON position using ignition key.
Does it immobilizer indicator lamp come on?
2 Immobilizer indicator lamp check
Does it immobilizer indicator lamp flashes on and off
continuously in Step 1?
3 Engine start check
Start engine using ignition key.
Does engine start?
4 Immobilizer indicator lamp check
Check Immobilizer indicator lamp remains ON after engine
start.
Does immobilizer indicator lamp remains ON after engine
start?

Diagnostic Trouble Code (DTC) Check

NOTE
To know how to use SUZUKI scan tool in
detail, refer to its operator's manual.
Using Scan Tool
1) Turn the ignition switch to OFF position.
2) Connect SUZUKI scan tool to data link connector
(DLC) (1) located under instrument panel at driver's
seat side.
Special tool
(A): SUZUKI scan tool

Diagnostic Information and Procedures

Action
S7RS0BA304002
Yes
Go to Step 2.
Check ECM for DTC
referring to "Diagnostic
Trouble Code (DTC)
Check". Then, Go to
applicable DTC diag.
flow.
Go to Step 4.
Go to "Immobilizer
Indicator Lamp
Remains ON after
Engine Starts".
(A)
3) Turn the ignition switch to ON position.
4) Check if any DTC is stored in ECM according to the
instructions displayed on SUZUKI scan tool.
5) After completing the check, turn ignition switch to
OFF position, and then disconnect SUZUKI scan
tool from DLC.
Using Diagnosis Connector (If equipped)
Refer to "Without Using Scan Tool (Vehicle Equipped
with Diagnosis Connector)" under "DTC Check in
Section 1A".
S7RS0BA304001
No
Check if DTC P1636
and/or P1638 are
detected by ECM
referring to "Diagnostic
Trouble Code (DTC)
Check". If detected, go
to applicable DTC diag.
flow. If not detected, go
to "Immobilizer Indicator
Lamp Does Not Come
ON with Ignition Switch
ON and Engine Stop".
Go to Step 3.
Perform "Engine and
Emission Control
System Check in
Section 1A".
Immobilizer system is
good condition. Then go
to "Keyless Start
System Check in
Section 10E". (Vehicle
equipped with keyless
start system only)
1
I4RS0BA30003-03