Suzuki SWIFT 2005 User Manual

Body Electrical Control System: 10B-26
DTC Troubleshooting
Step Action Yes No
1 DTC check of BCM
Is DTC U1100 (No. 1100) and DTC U1073 (No. 1073)
detected together?
Go to “DTC U1073 (No.
1073): Control Module
Communication Bus
Off”.
Go to Step 2.
2 DTC check of ECM
1) Check ECM for DTC.
Is DTC P1674 detected?
Go to “DTC P1674:
CAN Communication
(Bus Off Error) in
Section 1A”.
Go to Step 3.
3 DTC check of ABS/ESP® control module
1) Check ABS/ESP® control module for DTC.
Is DTC U1073 detected?
Go to “DTC U1073:
Control Module
Communication Bus Off
in Section 4E” or “DTC
U1073: Control Module
Communication Bus Off
in Section 4F”.
Go to Step 4.
4 Control module connector check
1) Check connection of connectors of all control modules
communicating by means of CAN.
2) Recheck BCM for DTC.
Is DTC U1100 (No. 1100) detected?
Go to Step 5. Intermittent trouble.
Check for intermittent
referring to “Intermittent
and Poor Connection
Inspection in Section
00”.
5 DTC check of ABS/ESP® control module
1) Check DTC for ABS/ESP® control module.
Is DTC U1100 detected?
Go to Step 6. Go to Step 7.
6 CAN communication circuit check
1) Disconnect connectors from ECM and ABS/ESP®
control module.
2) Check CAN communication circuit between ECM and
ABS/ESP® control module for open, short and high
resistance.
Is each CAN communication circuit in good condition?
Check ECM power and
ground circuit. If circuit
is OK, substitute a
known-good ECM and
recheck.
Repair circuit.
7 CAN communication circuit check
1) Disconnect connectors from BCM and ABS/ESP®
control module.
2) Check CAN communication circuit between BCM and
ABS/ESP® control module for open, short and high
resistance.
Is each CAN communication circuit in good condition?
Go to Step 8. Repair circuit.
8 CAN communication circuit check
1) Disconnect connectors of all control modules
communicating by means of CAN.
2) Check CAN communication circuit between control
modules other than Step 7 for open, short and high
resistance.
Is each CAN communication circuit in good condition?
Go to Step 9. Repair circuit.

Suzuki SWIFT 2005 Specifications

General

Brand	Suzuki
Model	SWIFT 2005
Category	Automobile
Language	English