Suzuki SWIFT RS415 2017, Service Manual

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Immobilizer Control System: 10C-11
DTC P1625 Immobilizer Antenna Error
S4RS0AA304032
Possible Cause and Trouble Area
Troubleshooting
3 Registration of the unregistered ignition key with ECM
and Diagnostic Trouble Code (DTC) check:
1) Register the transponder code in the transponder in the
unregistered ignition key with ECM referring to
“Registration of the Ignition Key: ”.
2) Make sure that DTC P1623 is not detected referring to
“Diagnostic Trouble Code (DTC) Check: ”.
Is DTC P1623 still detected?
Go to Step 4. The troubleshooting is
completed.
4 Check for fault of immobilizer control module:
1) Check immobilizer control module referring to
“Inspection of Immobilizer Control Module and Its Circuit:
”.
Is immobilizer control module normal?
Replace ECM with new
one referring to “Engine
Control Module (ECM)
Removal and
Installation: in Section
1C”, and then perform
“Procedure after ECM
Replacement: ”. Replace immobilizer
control module with new
one referring to
“Immobilizer Control
Module Removal and
Installation: ”.
Step Action Yes No
Possible Cause Trouble Area
• Temporary error
• Immobilizer control module faulty
• ECM faulty • Immobilizer control module
• ECM
Step Action Yes No
1 Diagnostic Trouble Code (DTC) confirmation:
1) Clear DTC(s) referring to “Diagnostic Trouble Code
(DTC) Clearance: ”.
2) Turn the ignition switch to OFF position.
3) Check if any DTC is detected referring to “Diagnostic
Trouble Code (DTC) Check: ”.
Is DTC P1625 still detected?
Go to Step 2. The troubleshooting is
completed.
2 Immobilizer control module replacement and Diagnostic
Trouble Code (DTC) check:
1) Replace immobilizer control module referring to
“Immobilizer Control Module Removal and Installation: ”.
2) Check if DTC P1625 is still detected referring to
“Diagnostic Trouble Code (DTC) Check: ”.
Is DTC P1625 still detected?
Replace ECM with new
one referring to “Engine
Control Module (ECM)
Removal and
Installation: in Section
1C”, and then perform
“Procedure after ECM
Replacement: ”. The troubleshooting is
completed.