Immobilizer Indicator Light Remains On After Engine Start; Dtc P1614: Transponder Response Error - Suzuki 2006 SX4 Service Manual

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10C-10 Immobilizer Control System:

Immobilizer Indicator Light Remains ON after Engine Start

Wiring Diagram
Refer to "Immobilizer Control System Wiring Circuit Diagram".
Circuit Description
Refer to "Immobilizer Indicator Light Does Not Come ON with Ignition Switch ON and Engine Stop".
Troubleshooting
Step
1
DTC check of ECM
1) Check ECM for DTC referring to "DTC Check in Section
1A".
Is DTC detected?
2
CAN communication circuit check
1) Disconnect connectors from ECM, BCM, ABS control
module and combination meter.
2) Check CAN communication circuit for open, short and
high resistance.
• Between ECM and ABS control module
• Between BCM and ABS control module
• Between BCM and combination meter
Is each CAN communication circuit in good condition?

DTC P1614: Transponder Response Error

Wiring Diagram
Refer to "Immobilizer Control System Wiring Circuit Diagram".
Detecting Condition and Trouble Area
Detecting Condition
Transponder code in transponder built in ignition key
cannot be read through ICM.
Troubleshooting
Step
1
Was "Immobilizer Control System Check" performed?
2
DTC check of ECM
1) Check if any DTC other than P1614 is detected referring
to "DTC Check".
Is DTC other than P1614 detected?
3
Registration of ignition key in use with ECM
1) Register ignition key in use with ECM referring to
"Registration of the Ignition Key".
Was registration of ignition key completed?
4
Registration of the spare ignition key
1) Register the spare ignition key with ECM referring to
"Registration of the Ignition Key".
Was registration of spare ignition key completed?
Action
Action
Yes
Go to applicable DTC
diag. flow.
Substitute a known-
good combination meter
and recheck. If
immobilizer indicator
light still remains ON,
substitute a known-
good ECM and recheck.
Trouble Area
• Use of ignition key without transponder
• Use of unregistered ignition key
• Corruption of transponder in ignition key
• ICM
• ECM
Yes
Go to Step 2.
Go to applicable DTC
diag. flow.
Recheck DTC.
Replace ignition key
which can not be
registered.
S6RW0DA304007
No
Go to Step 2.
Repair circuit.
S6RW0DA304008
No
Go to "Immobilizer
Control System Check".
Go to Step 3.
Go to Step 4.
Substitute a known-
good ECM and recheck.

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