Suzuki WagonR+ RB310 Service Manual page 2148

"EPS" WARNING LAMP CIRCUIT CHECK FLOW TABLE
CAUTION:
Be sure to perform "SYSTEM CHECK FLOW TABLE" before starting diagnosis according to flow table.
STEP
1 1) Make sure that battery voltage is about 11 V or
higher.
2) Note "EPS" warning lamp as ignition switch is
turned to ON position.
Does "EPS" warning lamp come ON when ignition
switch is turned to ON position?
2 Does "EPS" warning lamp flash?
3 1) Using service wire short diagnosis switch termi-
nal to ground terminal on monitor coupler.
2) Turn ignition switch to ON position.
Does "EPS" warning lamp indicate DTC No.22
(flashing pattern: 22) and/or other code flashing
pattern?
1. Main fuse box
2. "EPS" fuse (30 A)
3. Ignition switch
4. Circuit fuse box
5. "IG coil" fuse (15A)
6. Combination meter
7. Speedometer
8. "EPS" warning lamp
ELECTRICAL POWER STEERING (EPS) SYSTEM (IF EQUIPPED) 3B1-7
ACTION
10. Monitor coupler
11. Diagnosis switch terminal (for P / S system)
12. Ground terminal
13. To ABS hydraulic unit / control module assembly (if equipped)
14. P / S control module
15. P / S control module body ground
16. Connector "A"
YES
Go to Step 2.
Proceed to "TABLE-B
"EPS" WARNING
LAMP FLASHES".
"EPS" warning lamp
circuit is good
condition.
9. To vehicle speed sensor (VSS)
NO
Proceed to "TABLE-A
"EPS" WARNING
LAMP DOES NOT
LIGHT".
Go to Step 3.
Proceed to "TABLE-C
"EPS" WARNING
LAMP REMAINS
ON".
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