Suzuki GA413 Service Manual page 103

SYSTEM CHECK FLOW TABLE
STEP
1 1) Make sure that battery voltage is about 11 V or
higher.
2) Note MIL ("EPS" light) as ignition switch is
turned to ON position.
3) Does MIL ("EPS" light) come ON when ignition
switch is turned to ON position?
2 Does MIL ("EPS" light) flash?
3 1) Short diagnosis switch terminal and ground ter-
minal on monitor coupler by using service wire.
2) Does MIL ("EPS" light) indicate DTC C1122
(flashing pattern: 22) and/or other code flashing
pattern?
4 1) Turn ignition switch to OFF position.
2) Disconnect service wire from monitor coupler.
3) Apply chocks to wheels, set shift lever to neutral
position and pull parking brake fully.
4) Check MIL ("EPS" light) comes ON when igni-
tion switch is turned ON position.
5) If OK, start engine.
6) Is MIL ("EPS" light) turned to OFF when engine
is started?
5 1) Check DTC. (Refer to DTC CHECK.)
2) Is DTC set in P/S control module?
6 1) Check DTC. (Refer to DTC CHECK.)
2) Is DTC set in P/S control module?
NOTE 1:
As execution of DTC CLEARANCE will clear all DTCs, be sure to record all DTCs before servicing.
ACTION
ELECTRICAL POWER STEERING (P/S) SYSTEM 3B1-5
YES
Go to STEP 2.
Proceed to TABLE B -
MIL CIRCUIT CHECK
(MIL FLASHES).
Go to STEP 4.
Go to STEP 5.
See NOTE 1.
An intermittent trouble
has occurred at some
place. Check the con-
nector harness, etc. re-
lated to the sensed
DTC (Refer to INTER-
MITTENT AND POOR
CONNECTIONS in
SECTION 0A).
Then clear DTC (Refer
to DTC CLEARANCE
and repeat this flow
table.
See NOTE 1.
Check and repair ac-
cording to flow table
corresponding to that
DTC.
NO
Proceed to TABLE A-
MIL CIRCUIT
CHECK (MIL DOES
NOT LIGHT).
Go to STEP 3.
Proceed to TABLE C -
MIL CIRCUIT CHECK
(MIL REMAINS ON).
Go to STEP 6.
P/S system is in good
condition.
Substitute a known-
good P/S control mod-
ule and recheck.