Suzuki GA413, Service Manual

Page: 122 / 1246

3B1-24 ELECTRICAL POWER STEERING (P/S) SYSTEM
DTC C1153 P/S CONTROL MODULE POWER SUPPLY CIRCUIT FAIL
1. To main fuse
2. Ignition switch
3. “EPS” fuse (30A) in fuse box 4. “IG METER” fuse (15A) in fuse box
5. P/S control module
6. Connector “A”
CAUTION:
Be sure to perform SYSTEM CHECK FLOW TABLE before starting diagnosis according to flow table
of each DTC.
STEP ACTION YES NO
1 1) Remove steering column lower cover.
2) Check proper connection to P/S control module
at “A2” (“BI/R” wire) terminal.
3) If OK, check voltage between “A2” terminal and
body ground with “A” connector connected to P/S
control module.
4) Is it 10 – 14 V?
Check intermittent
trouble. Refer to IN-
TERMITTENT
TROUBLE in SEC-
TION 0A.
If OK, substitute a
known-good P/S con-
trol module and re-
check.
Repair poor connec-
tion or high resistance
in “A2” (“BI/R” wire) cir-
cuit.
Fig. for Step 1
NOTE:
Upon completion of inspection and repair work, repeat SYSTEM CHECK FLOW TABLE to confirm that the
trouble has been corrected.
DTC C1152/C1154/C1155 P/S CONTROL MODULE FAIL
Substitute a known-good P/S control module and recheck.