Suzuki RA410 Manual page 108

ELECTRICAL POWER STEERING (P/S) SYSTEM
WARNING:
For vehicles equipped with Supplemental Restraint (Air Bag) System:
Service on and around the air bag system components or wiring must be performed only
by an authorized SUZUKI dealer. Refer to "Air Bag System Components and Wiring Loca-
tion View" under "General Description" in air bag system section in order to confirm
whether you are performing service on or near the air bag system components or wiring.
Please observe all WARNINGS and "Service Precautions" under "On-Vehicle Service" in
air bag system section before performing service on or around the air bag system compo-
nents or wiring. Failure to follow WARNINGS could result in unintentional activation of the
system or could render the system inoperative. Either of these two conditions may result
in severe injury.
Technical service work must be started at least 90 seconds after the ignition switch is
turned to the "LOCK" position and the negative cable is disconnected from the battery.
Otherwise, the system may be activated by reserve energy in the Sensing and Diagnostic
Module (SDM).
GENERAL DESCRIPTION
Components . . . . . . . . . . . . . . . . . . . . . . . . . .
Wiring diagram . . . . . . . . . . . . . . . . . . . . . . . .
DIAGNOSIS . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
On-board diagnostic system
Precautions in diagnosing troubles
System check flow table
DTC check . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DTC clearance . . . . . . . . . . . . . . . . . . . . . . . .
DTC table . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DTC 11 Torque sensor main circuit
failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DTC 13 Torque sensor main and sub
circuit failure . . . . . . . . . . . . . . . . . . . . . . . . .
DTC 15 Torque sensor sub circuit
failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DTC 14 Torque sensor 5V power
supply circuit failure
DTC 16 Torque sensor 8V power
supply circuit failure
DTC 21/23/24 VSS circuit failure
SECTION 3B1
. . . . . . . . . . . . . . . . 3B1- 2
3B1- 2
3B1- 3
3B1- 4
. . . . . . . . . . . . . 3B1- 4
. . . . . . . 3B1- 4
. . . . . . . . . . . . . . . . 3B1- 5
3B1- 7
3B1- 7
3B1- 8
3B1- 9
3B1- 9
3B1- 9
. . . . . . . . . . . . . . . . . . . 3B1-10
. . . . . . . . . . . . . . . . . . . 3B1-11
. . . . . . . . 3B1-12
ELECTRICAL POWER STEERING (P/S) SYSTEM 3B1-1
CONTENTS
DTC 22 Engine speed signal circuit
failure
DTC 41/42/43/44/45 Motor circuit
failure
DTC 51 Clutch circuit failure
DTC 53 P/S control module power
supply circuit failure
DTC 52/54/55 P/S control module
failure
Inspection of P/S control module
circuit
Trouble diagnosis (for trouble not indicated
by on-board diagnostic system)
Steering wheel inspection
Steering force inspection
ON-VEHICLE SERVICE
P/S control module
Torque sensor
Motor and clutch
Steering column assembly
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3B1
3B1-13
3B1-14
3B1-15
3B1-16
3B1-16
3B1-17
. . . . . . . . . 3B1-19
3B1-20
3B1-20
3B1-21
3B1-21
3B1-21
3B1-22
3B1-22