Suzuki WagonR+ RB310 Service Manual page 2164

DTC C1151 CLUTCH CIRCUIT FAIL
1. Main fuse box
2. "EPS" fuse (30 A)
3. Ignition switch
4. Circuit fuse box
5. "IG coil" fuse (15A)
STEP
1 Was "SYSTEM CHECK FLOW TABLE"
performed?
2 1) Remove steering column hole cover.
2) Check proper connection for 4-pin ("B")
connector to P/S control module.
3) If OK, start engine.
4) Check voltage between "B3" terminal and body
ground with "B" connector connected to
P/S control module.
Is it 0 V?
3 1) With engine running, check voltage between
"B4" terminal and body ground with "B" connec-
tor connected to P/S control module.
Is it 10 – 14 V with steering wheel held at position
for vehicle to run straight?
4 1) Check motor and its circuit referring to
"ON-VEHICLE INSPECTION" of "MOTOR
ASSEMBLY (WITH CLUTCH
INCORPORATED)".
Is clutch in good condition?
Fig. for Step 2
ELECTRICAL POWER STEERING (EPS) SYSTEM (IF EQUIPPED) 3B1-23
6. P / S control module
7. Motor assembly (with clutch incorporated)
8. P / S control module body ground
9. Connector "A"
10. Connector "B"
ACTION
9
10
YES
Go to Step 2.
Go to Step 3.
Go to Step 4.
Substitute a known-
good P/S control
module and recheck.
Fig. for Step 3
NO
Go to "SYSTEM
CHECK FLOW
TABLE" in this section.
Repair poor
connection, high
resistance, open or
short to power circuit or
ground in "B3" circuit.
Repair poor
connection, high
resistance, open or
short to power circuit or
ground in "B4" circuit.
Replace motor
assembly and recheck.