Suzuki GRAND VITARA JB416, Service Manual

Page: 447 / 474

Immobilizer Control System: 10C-9
DTC P1618: Keyless Start Control Module CAN Communication Error (for Vehicle with Keyless Start
System)
S5JB0EA304011
Wiring Diagram
Refer to “Immobilizer Control System Wiring Circuit Diagram: ”
Detecting Condition and Trouble Area
Troubleshooting
Detecting Condition Trouble Area
Reception error of communication data for keyless start
control module is detected for longer than specified time
continuously. • 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
Step Action Yes No
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?
Go to Step 2. The troubleshooting is
completed.
2 Diagnostic Trouble Code (DTC) check in ECM
Is any DTC other than P1618 detected in Step 1?
Perform the
troubleshooting
referring to the
corresponding
flowchart. Go to Step 3.
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?
Go to Step 4. Repair poor
connection(s).