combination meter SUZUKI SWIFT 2008 2.G Service Workshop Manual
Page 1489 of 1496
Downloaded from www.Manualslib.com manuals search engine Keyless Start System:  10E-27
DTC No. 33: Control Module Communication Bus OffS7RS0BA504021
Wiring Diagram
Refer to “DTC No. 31: Lost Communication with BCM”.
DTC Detecting Condition and Trouble Area
DTC Confirmation Procedure1) Clear DTC referring  to “DTC Clearance”.
2) Start engine and run it for 1 min. or more.
3) Check DTC referring to “DTC Check”.
Troubleshooting 8
DTC check of keyless start control module
1) Turn ignition switch to OFF position.
2) Disconnect connector of any one of control module other 
than keyless start control module.
3) Recheck keyless start  control module for DTC.
Is DTC No.31 detected? Using same method, 
disconnect connectors 
of control module other 
than keyless start 
control module one by 
one to check if DTC 
No.31 is detected.
If DTC No.31 is 
detected even through 
connector of control 
module other than 
keyless start control 
module is disconnected, 
substitute a known-
good keyless start 
control module and 
recheck.Check power and 
ground circuit of 
disconnected control 
module and recheck. If 
circuit is OK, substitute 
a known-good 
disconnected control 
module and recheck.
Step Action Yes No
DTC detecting condition
Trouble area
Communication is not availabl e with all control modules 
connected by CAN • CAN communication circuit
• Combination meter
• Keyless start control module
•BCM
• TCM (A/T model)
•ECM
• ABS control module
Step
Action YesNo
1 Was “Keyless Start System Check” performed? Go to Step 2.Go to “Keyless Start 
System Check”.
2 Control module connector check
1)  Check connection of connectors of all control modules 
communicating by means of CAN.
2) Recheck keyless start  control module for DTC.
Is DTC No. 33 detected? Go to Step 3.
Intermittent trouble. 
Check for intermittent 
referring to “Intermittent 
and Poor Connection 
Inspection in Section 
00”.