Dtc P1685: Can Communication (Reception Error For Abs/Esp® Control Module) - Suzuki Swift Sport 2004 Service & Repair Manual

1A-150 Engine General Information and Diagnosis:
Step
6 CAN communication circuit check
1) Turn ignition switch to OFF position.
2) Disconnect connectors form ECM, BCM and ABS/ESP®
control modules.
3) Check CAN communication circuit for open, short or
high resistance.
• Between ECM and ABS/ESP® control module
• Between ECM and BCM
Is each CAN communication circuit in good condition?
7 DTC check in ECM
1) Connect connectors to ECM, BCM and ABS/ESP®
control module with ignition switch turned.
2) Check ECM for DTC.
Does ECM communicate with control module other than
BCM (i.e. DTC P1676 and/or DTC P1685 are not detected)?
DTC P1685: CAN Communication (Reception Error for ABS/ESP® Control Module)
Wiring Diagram
Refer to "DTC P1674: CAN Communication (Bus Off Error)"
DTC detecting Condition and Trouble Area
DTC detecting condition
Reception error of communication data for ABS/ESP®
control module is detected for longer than specified time
continuously.
(1 driving cycle detection logic)
DTC confirmation procedure
1) Connect scan tool to DLC with ignition switch turned OFF.
2) Turn ON ignition switch and clear DTC by using scan tool.
3) Start engine and run it for 1 min. or more.
4) Check DTC.
Action Yes
Go to Step 7.
Substitute a known-
good BCM and recheck.
Trouble area
• ECM
• ABS/ESP® control module
• CAN communication circuit
No
Repair circuit.
Substitute a known-
good ECM and recheck.
S7RS0B1104066