Dtc P1625: Immobilizer Antenna Error - Suzuki GRAND VITARA JB416 Service Manual

Step
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: in related manual".
2) Check if that DTC P1623 is detected referring to
"Diagnostic Trouble Code (DTC) Check: in related
manual".
Is DTC P1623 detected?
4 Immobilizer control module (ICM) check
1) Check immobilizer control module (ICM) referring to
"Inspection of Immobilizer Control Module (ICM) and Its
Circuit: in related manual".
Is immobilizer controller assembly normal?

DTC P1625: Immobilizer Antenna Error

Wiring Diagram
Refer to "Immobilizer Control System Wiring Circuit Diagram: "
Detecting Condition and Trouble Area
Detecting Condition
Immobilizer control module (ICM) is faulty.
Troubleshooting
Step
1 Diagnostic Trouble Code (DTC) confirmation
1) Clear DTC(s) referring to "Diagnostic Trouble Code
(DTC) Clearance: in related manual".
2) Turn the ignition switch to OFF position.
3) Check if any DTC is detected referring to "Diagnostic
Trouble Code (DTC) Check: in related manual".
Is DTC P1625 still detected?
2 Immobilizer control module (ICM) replacement and
Diagnostic Trouble Code (DTC) check
1) Replace immobilizer control module (ICM) referring to
"Immobilizer Control Module (ICM) Removal and
Installation: in related manual".
2) Check if DTC P1625 is still detected referring to
"Diagnostic Trouble Code (DTC) Check: in related
manual".
Is DTC P1625 still detected?
Action
Action
Immobilizer Control System:
Yes
Go to Step 4.
Replace ECM with new
one referring to "Engine
Control Module (ECM)
Removal and
Installation: in Section
1C in related manual",
and then perform
"Procedure after ECM
Replacement: in related
manual".
Trouble Area
• Immobilizer control module faulty
• ECM faulty
Yes
Go to Step 2.
Replace ECM with new
one referring to "Engine
Control Module (ECM)
Removal and
Installation: in Section
1C in related manual",
and then perform
"Procedure after ECM
Replacement: in related
manual".
10C-15
No
The troubleshooting is
completed.
Replace immobilizer
control module (ICM)
with new one referring
to "Immobilizer Control
Module (ICM) Removal
and Installation: in
related manual".
S5JB0EA304015
No
The troubleshooting is
completed.
The troubleshooting is
completed.