Dtc P1614: Transponder Response Error; Dtc P1615: Id Code Does Not Registered (Vehicle Equipped With Keyless Start System Only) - Suzuki Swift Sport 2004 Service & Repair Manual

10C-9 Immobilizer Control System:

DTC P1614: Transponder Response Error

Detecting Condition and Trouble Area
Detecting Condition
Transponder code in the transponder built in the ignition
key cannot be read through ICM.
DTC Confirmation Procedure
1) Turn ignition switch to ON position.
2) Check DTC in ECM.
Troubleshooting
Step
1 Was "Immobilizer Control System Check" performed?
2 DTC check of ECM
1) Check if DTC other than P1614 is detected referring to
"Diagnostic Trouble Code (DTC) Check".
Is DTC other than P1614 detected?
3 Registration of ignition key in use with ECM
1) Register ignition key in use with ECM referring to
"Registration of the Ignition Key".
Was registration of ignition key completed?
4 Registration of spare ignition key with ECM
1) Register spare ignition key with ECM referring to
"Registration of the Ignition Key".
Was registration of spare ignition key completed?

DTC P1615: ID Code Does Not Registered (Vehicle equipped with keyless start system only)

Circuit Description
When the transponder code of the ignition key is registered in ECM, the remote controller ID code is also registered in
ECM and keyless start control module at the same time.
DTC P1615 is detected only when the remote controller ID code cannot be registered in ECM and keyless start control
module when the ignition key is registered.
NOTE
• Perform troubleshooting of DTC P1618 if both DTC P1615 and P1618 have been detected.
• After replacing ECM, be sure to register the transponder code in the ignition key with ECM referring
to "Registration of the Ignition Key". After replacing the keyless start control module of the vehicle
equipped with the keyless start system, be sure to register referring to "Registration of the Ignition
Key".
Detecting Condition and Trouble Area
Detecting Condition
• While registering the transponder code in the
transponder built in the ignition key in ECM, the keyless
start control module sent a signal to ECM indicating that
the ID code could not be registered.
• The ID code could not be registered in the keyless start
control module or ECM.
Action
Trouble Area
• Ignition key
• ICM
• ECM
Yes
Go to Step 2.
Go to applicable DTC
diag. flow.
Unregistered ignition
key.
Replace ignition key
which can not be
registered.
Trouble Area
• Circuit between steering lock unit and keyless start
control module
• CAN communication circuit
• Steering lock unit
• Keyless start control module
• ECM
S7RS0BA304008
No
Go to "Immobilizer
Control System Check".
Go to Step 3.
Go to step 4.
Substitute a known-
good ECM and recheck.
S7RS0BA304009