Component Location; Immobilizer Control System Components Location; Diagnostic Information And Procedures; Immobilizer Control System Check - Suzuki SX4 Service Manual

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10C-5 Immobilizer Control System:

Immobilizer Control System Components Location

1
7
4
5
6
1. ECM
2. Immobilizer indicator light
3. ICM
4. Ignition key (keyless entry model)

Immobilizer Control System Check

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

Component Location

2
1

Diagnostic Information and Procedures

Action
3
5. Ignition key (non keyless entry model)
6. Ignition key (keyless start model)
7. Transponder
Yes
Go to Step 2.
Check ECM for DTC
referring to "DTC
Check". Then, go to
applicable DTC diag.
flow.
Go to Step 4.
Go to "Immobilizer
Indicator Light Remains
ON after Engine Start".
S7RW0AA303001
2
3
I6RW0BA30001-01
S7RW0AA304001
No
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".
Go to Step 3.
Go to "Engine and
Emission Control
System Check in
Section 1A".
Immobilizer control
system is in good
condition. Then, go to
"Keyless Start System
Check in Section 10E"
for keyless start model.

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