Suzuki SWIFT RS415 2017, Service Manual

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Power Assisted Steering System: 6C-4
Diagnostic Information and Procedures
EPS System Check
S4RS0A6304006
WARNING:
Carry out test drive in light traffic area to prevent an accident.
[A]: Connector “E52” (viewed from harness side) 3. Junction block assembly 11. P/S control module
[B]: Connector “E49” (viewed from harness side) 4. Fuse 12. P/S motor
[C]: Connector “E51” (viewed from harness side) 5. VSS 13. Shield
[D]: Connector “G28” (viewed from harness side) 6. TCM 14. Torque sensor
[E]: For M/T vehicle model 7. Combination meter 15. Torque sensor amplifier
[F]: For A/T vehicle model 8. “EPS” warning lamp 16. To ECM, BCM, Air bag SDM and ABS hydraulic unit/control
module assembly
1. Main fuse 9. Date link connector (DLC)
2. Ignition switch 10. ECM
Step Action Yes No
1 1) Record details of the problem. For your record, use of a
questionnaire form will facilitate collecting information for
proper analysis and diagnosis.
2) Check if the problem described in “Customer
questionnaire” actually occurs in the vehicle.
(This step should be performed with the customer if
possible.)
3) Check for operation of the “EPS” warning lamp referring
to ““EPS” Warning Lamp Check: ”.
4) Check for DTC referring to “DTC Check: ”, and then
record DTC(s).
5) Clear DTC if any DTC exists referring to “DTC
Clearance: ”, and then recheck for DTC.
Is any DTC still detected?
Go to Step 2. Go to Step 3.
2 1) Inspect and repair referring to applicable “DTC Table: ”.
2) Clear DTC referring to “DTC Clearance: ”.
Does the trouble recur?
Go to Step 3. Go to Step 4.
3 1) Test drive the vehicle and turn the steering wheel fully to
the right and left at the stop vehicle. Check if any trouble
exists. See WARNING.
2) Inspect and repair basic parts referring to “Steering
Symptom Diagnosis: in Section 6A”.
3) If the trouble cannot be repaired in Step 3-2), inspect
and repair referring to “P/S System Symptom Diagnosis:
”.
Does the trouble recur?
Go to Step 5. Go to Step 4.
4 1) Confirm if the problem is solved and the P/S system is
free from any abnormal conditions. If what has been
repaired is related to the DTC, clear the DTC once and
perform the test drive in Step 3-1), and then confirm that
no DTC is indicated.
Is any malfunction DTC detected?
Go to Step 5. END.
5 1) Check for DTC referring to “DTC Check: ”.
Is any DTC detected?
Go to Step 2. Go to Step 3.