Dtc P1618: Keyless Start Control Module Can Communication Error - Suzuki GRAND VITARA JB416 Service Manual

DTC P1618: Keyless Start Control Module CAN Communication Error (for Vehicle with Keyless Start
System)
Wiring Diagram
Refer to "Immobilizer Control System Wiring Circuit Diagram: "
Detecting Condition and Trouble Area
Detecting Condition
Reception error of communication data for keyless start
control module is detected for longer than specified time
continuously.
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 P1618 still detected?
2 Diagnostic Trouble Code (DTC) check in ECM
Is any DTC other than P1618 detected in Step 1?
3 Poor connection check at ECM, ABS/ESP® control
module and keyless start control module connectors
1) With the ignition key at OFF position, check each
connector and wire terminal at ECM, ABS/ESP® control
module and keyless control module for secure
connection.
Is each connector and wire terminal connected securely?
Action
Immobilizer Control System:
Trouble Area
• CAN communication wire circuits faulty
• Steering angle sensor (if equipped) faulty
• Keyless start control module faulty
• 4WD control module (if equipped) faulty
• TCM (if equipped) faulty
• BCM faulty
• ABS/ESP® control module faulty
• Combination meter faulty
• ECM faulty
Yes
Go to Step 2.
Perform the
troubleshooting
referring to the
corresponding
flowchart.
Go to Step 4.
10C-9
S5JB0EA304011
No
The troubleshooting is
completed.
Go to Step 3.
Repair poor
connection(s).