Dtc 31: Transponder Code Not Registered - Suzuki Liana RH413 Service Manual

10C-13 Immobilizer Control System:
NOTE
After replacing with a known-good Immobilizer Control Module, register ECM/Immobilizer Control
Module (ECU) code in ECM and Transponder code and ECM/Immobilizer Control Module (ECU) code in
Immobilizer Control Module by performing procedure described in "Procedure after Immobilizer
Control Module Replacement".
DTC 11 / 32: Transponder Code Not Matched
Description
Immobilizer Control Module checks if Transponder code
transmitted from ignition key and that registered in
Immobilizer Control Module match when ignition switch
is ON. If they do not, DTC 11 and/or 32 are set.
DTC Troubleshooting
Register ignition key with built-in transponder by using
SUZUKI scan tool and performing the following steps.
1) Register Transponder code in Immobilizer Control
Module by performing procedure described in "How
to Register Ignition Key".
2) Turn ignition switch OFF, and then turn it ON.
3) Make sure that DTC 11 and/or 32 are not set
referring to "DTC Check".
DTC 12: Fault in Immobilizer Control Module
Description
This DTC is set when an internal fault is detected in Immobilizer Control Module.
DTC Troubleshooting
Step
1 1) Ignition switch OFF.
2) Disconnect connectors from Immobilizer Control
Module.
3) Check for proper connection to Immobilizer Control
Module at all terminals.
Are they in good condition?
NOTE
After replacing with a known-good Immobilizer Control Module, register ECM/Immobilizer Control
Module (ECU) code in ECM and Transponder code and ECM/Immobilizer Control Module (ECU) code in
Immobilizer Control Module by performing procedure described in "Procedure after Immobilizer
Control Module Replacement".
S3RH0AA304007
Action

DTC 31: Transponder Code Not Registered

Description
Immobilizer Control Module checks if Transponder code
transmitted from ignition key and that registered in
Immobilizer Control Module match when ignition switch
is ON. If there is no Transponder code registered in
Immobilizer Control Module, this DTC is set.
DTC Troubleshooting
Register ignition key with built-in transponder by using
SUZUKI scan tool and performing the following steps.
1) Register Transponder code in Immobilizer Control
Module by performing procedure described in "How
to Register Ignition Key".
2) Turn ignition switch OFF, and then turn it ON.
3) Make sure that DTC 31 is not set referring to "DTC
Check".
Yes
Substitute a known-
good Immobilizer
Control Module and
recheck. See NOTE.
S3RH0AA304008
S3RH0AA304009
No
Repair or replace.