Suzuki GRAND VITARA JB416 Service Manual page 472

10E-16 Keyless Start System:
Step
4 DTC check of keyless start control module
1) Turn ignition switch to OFF position.
2) Connect connectors of disconnected control modules
communicating by means of CAN.
3) Disconnect connector of any one control module other
than keyless start control module and combination
meter.
4) Recheck DTC for keyless start control module.
Is DTC No.33 detected?
Action Yes
Using same method,
disconnect connectors
of control module other
than keyless start
control module and
combination meter one
by one to check if DTC
No.33 is detected.
If DTC No.33 is
detected even though
connector of control
module other than
keyless start control
module and
combination meter is
disconnected, substitute
a known-good keyless
start control module and
recheck.
No
Check power and
ground circuit of
disconnected control
module. If circuit is OK,
substitute a known-
good disconnected
control module and
recheck.