Suzuki WagonR+ RB310 Service Manual page 2153

3B1-12 ELECTRICAL POWER STEERING (EPS) SYSTEM (IF EQUIPPED)
DTC CHECK
USING SUZUKI SCAN TOOL
1) Turn ignition switch to OFF position.
2) After setting cartridge, connect SUZUKI scan tool to data link
connector (DLC) (1) located on underside of instrument panel at
driver's seat side.
Special Tool
(A): 09931-76011
(B): Mass storage cartridge
(C): 09931-76030
3) Turn ignition switch to ON position.
4) Read DTC according to instructions displayed on SUZUKI scan
tool and print it or write it down referring to SUZUKI SCAN TOOL
OPERATOR'S MANUAL for further details.
NOTE:
If Suzuki scan tool cannot display DTC, perform "SERIAL
DATA LINK CIRCUIT CHECK" described in this section.
5) After completing the check, turn ignition switch to OFF position
and disconnect SUZUKI scan tool from DLC.
NOT USING SUZUKI SCAN TOOL
1) Check that "EPS" warning lamp comes ON when ignition switch
is turned to ON position referring to "EPS" WARNING LAMP
CIRCUIT CHECK FLOW TABLE.
2) Apply chocks to wheels, set shift lever to neutral position and pull
parking brake fully.
3) Start engine.
4) Using service wire, short diagnosis switch terminal (1) to ground
terminal (2) on monitor coupler (3).
5) Read DTC from flashing pattern of "EPS" warning lamp referring
to "DTC TABLE".
6) After completing the check, turn ignition switch to OFF position
disconnect service wire from monitor coupler.