Dtc P1625: Immobilizer Antenna Error - Suzuki GRAND VITARA Owner's Manual

Step
4 Immobilizer control module (ICM) check
1) Check immobilizer control module (ICM) referring to
"Inspection of Immobilizer Control Module (ICM) and Its
Circuit: ".
Is immobilizer controller assembly normal?

DTC P1625: Immobilizer Antenna Error

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: ".
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?
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: ".
2) Check if DTC P1625 is still detected referring to
"Diagnostic Trouble Code (DTC) Check: ".
Is DTC P1625 still detected?
Action
Action
Immobilizer Control System:
Yes
Replace ECM with new
one referring to "Engine
Control Module (ECM)
Removal and
Installation: in Section
1C", and then perform
"Procedure after ECM
Replacement: ".
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", and then perform
"Procedure after ECM
Replacement: ".
10C-19
No
Replace immobilizer
control module (ICM)
with new one referring
to "Immobilizer Control
Module (ICM) Removal
and Installation: ".
S5JB0AA304010
No
The troubleshooting is
completed.
The troubleshooting is
completed.