Suzuki Grand Vitara JB416 / JB420 / JB419. Manual - part 547
10C-49 Immobilizer Control System: For Diesel Engine Model
DTC B1713: Immobilizer Code Error
S6JB0AA324029
Wiring Diagram
Refer to “Immobilizer Control System Wiring Circuit Diagram: For Diesel Engine Model”.
Detecting Condition and Trouble Area
NOTE
Troubleshoot DTC B1704 first if both B1704 and B1713 are detected at the same time.
Troubleshooting
Detecting Condition
Trouble Area
Verification error between ICM and ECM
• ICM
• ECM
Step
Action
Yes
No
1
Was “Immobilizer Control System Check” performed?
Go to Step 2.
Go to “Immobilizer
Control System Check:
For Diesel Engine
Model”.
2
Diagnostic Trouble Code (DTC) check
1) Check ECM for DTC referring to “DTC Check: For Diesel
2) Check ABS control module or ESP
®
control module for
DTC. For ESP
®
model, refer to “DTC Check in Section
4F”. For non-ESP
®
model, refer to “DTC Check in
3) Check BCM for DTC referring to “DTC Check in Section
Is any DTC(s) detected?
Go to applicable DTC
diag. flow.
Go to Step 3.
3
ICM connector check
1) With the ignition key at OFF position, disconnect ICM
connector.
2) Check for proper connection at terminals and wires of
ICM connector. Refer to “Intermittent and Poor
Connection Inspection in Section 00”.
Is each terminal and wire connection normal?
Go to Step 4.
Repair poor
connection(s).
4
ECM connector check
1) With the ignition key at OFF position, disconnect ECM
connectors.
2) Check for proper connection at terminals and wires of
ECM connector. Refer to “Intermittent and Poor
Connection Inspection in Section 00”.
Is each terminal and wire connection normal?
Go to Step 5.
Repair poor
connection(s).
5
ICM power and ground circuit check
1) Check power and ground circuit of ICM referring to
“Inspection of Immobilizer Control Module (ICM) and Its
Circuit: For Diesel Engine Model”.
Is power and ground circuit of ICM normal?
Substitute a known-
good ICM and recheck.
If DTC B1702 is still
detected, substitute a
known-good ECM and
recheck.
Repair power and
ground circuit.