Suzuki Wagon R Manual page 4080

IMMOBILIZER CONTROL SYSTEM (Z10XEP / Z12XEP ENGINE MODELS) 8G4-25
5) Pull off key cylinder (1) from column ass'y.
6) Disconnect wire harness connector from immobilizer control
module.
7) Remove immobilizer control module (2).
Installation
Reverse removal procedure. Before inserting key cylinder to
steering column, push protrusion on key cylinder.
How to Register Ignition Key
To register ignition key with built-in transponder, perform "Register
New Ig Key (Fix Code)" mode by using SUZUKI scan tool.
For your details, refer to "SUZUKI Tech2 Operator's Manual".
NOTE:
Registering SECRET KEY CODE (SKC) to ignition key
with built-in transponder is available only once.
Procedure after Immobilizer Control Module
Replacement
When Immobilizer Control Module must be replaced including
when replaced because rechecking by using a known-good
Immobilizer Control Module is necessary during trouble diagno-
sis, register FIX CODE (FC) and SECRET KEY CODE (SKC) to
Immobilizer Control Module by performing the following proce-
dure.
Perform "IMM Cont (Register Secret Key Code)" and "Register
New Ig Key (Fix Code)" modes by using SUZUKI scan tool. For
your details, refer to "SUZUKI Tech2 Operator's Manual".
Procedure after ECM Replacement
When ECM is replaced, including when replaced because
rechecking by using a known-good ECM is necessary during trou-
ble diagnosis, register password (PWD) and SECRET KEY
CODE (SKC) to ECM.