Suzuki GA413 Service Manual page 972

DTC11 TRANSPONDER CODE NOT MATCHED
DESCRIPTION:
Immobilizer Control Module checks if Transponder code transmitted from ignition key and that registered in Immo-
bilizer Control Module match when ignition switch is ON. If they do not, DTC 11 is set.
INSPECTION:
Register ignition key with built-in transponder by using SUZUKI scan tool and performing following steps.
1) Register Transponder code in Immobilizer Control Module by performing procedure described in "How To Reg-
ister Ignition Key".
2) Turn ignition switch OFF, then turn it ON and check that DTC11 is not set.
DTC31 TRANSPONDER CODE NOT REGISTERED
DESCRIPTION:
Immobilizer Control Module checks if Transponder code transmitted from ignition key and that registered in Immo-
bilizer Control Module match when ignition switch is ON. If there is no Transponder code registered in Immobilizer
Control Module, this DTC is set.
INSPECTION:
Register ignition key with built-in transponder by using SUZUKI scan tool and performing following steps.
1) Register Transponder code in Immobilizer Control Module by performing procedure described in "How To Reg-
ister Ignition Key".
2) Turn ignition switch OFF, then turn it ON and check that DTC31 is not set.
DTC12 FAULT IN IMMOBILIZER CONTROL MODULE
DESCRIPTION:
This DTC is set when an internal fault is detected in Immobilizer Control Module.
INSPECTION:
STEP
1 1) Ignition switch OFF.
2) Disconnect connectors from Immobiliz-
er Control Module.
3) Check for proper connection to Immo-
bilizer Control Module at all terminals.
Are they in good condition?
ACTION
IMMOBILIZER CONTROL SYSTEM (IF EQUIPPED) 8G-13
YES
Substitute a known-good Immobilizer
Control Module and recheck.
NOTE:
After replacing with a known-good
Immobilizer Control Module, register
ECM/Immobilizer Control Module
code in ECM and Transponder code
and ECM/Immobilizer Control Mod-
ule code in Immobilizer Control Mod-
ule by performing procedure de-
scribed in "Procedure After Immobi-
lizer Control Module Replacement".
NO
Repair or replace.