Suzuki Swift Sport 2004 Service & Repair Manual page 887

Terminal Arrangement of P/S Control Module Coupler (Viewed from Harness Side)
Terminal
Main power supply for internal memory
E49-1
and EPS motor
E49-2 Ground for P/S control module
E51-1 Motor output 1
E51-2 Motor output 2
Ignition switch signal for P/S control
E52-1
module
E52-2
E52-3
E52-4 Vehicle speed signal
E52-5 "EPS" warning light
E52-6 Torque sensor signal (Sub)
E52-7
E52-8 Main power supply for torque sensor
EPS System Check
WARNING
!
Carry out test drive in light traffic area to prevent an accident.
Refer to the following items for the details of each step.
Step
1 Customer complaint analysis
1) Perform customer complaint analysis referring to
"Customer Complaint Analysis".
Was customer complaint analysis performed?
2 DTC check, record and clearance
1) Check for DTC (including pending DTC) referring to
"DTC Check", Record and Clearance.
Is there any DTC(s)?
3 Visual inspection
1) Perform visual inspection referring to "Visual Inspection".
Is there any faulty condition?
4 Visual inspection
1) Perform visual inspection referring to "Visual Inspection".
Is there any faulty condition?
5 Trouble symptom confirmation
1) Confirm trouble symptom referring to "Trouble Symptom
Confirmation".
Is trouble symptom identified?
6 Rechecking and record of DTC
1) Recheck for DTC referring to "DTC Check".
Is there any DTC(s)?
Circuit
—
—
—
Diagnostic Information and Procedures
Action
Power Assisted Steering System:
Terminal
E52-9 Ground for torque sensors
E52-10
Serial communication for data link
E52-11
connector
E52-12 Engine speed signal
E52-13
E52-14 P/S operation signal (idle up signal)
E52-15
E52-16 Torque sensor internal failure signal
E52-17
E52-18 Torque sensor signal (Main)
E52-19 Ground for shield wire
5 V reference power supply for torque
E52-20
sensor
Yes
Go to Step 2.
Print DTC or write them
down and clear them by
referring to "DTC
Clearance" and go to
Step 3.
Repair or replace
malfunction part, and go
to Step 11.
Repair or replace
malfunction part, and go
to Step 11.
Go to Step 6.
Go to Step 9.
6C-5
Circuit
—
—
—
—
S7RS0B6304001
No
Perform customer
complaint analysis.
Go to Step 4.
Go to Step 5.
Go to Step 8.
Go to Step 7.
Go to Step 8.