Mazda RX-8 Workshop Manual page 2370

EPS_MTR
A
(EPS motor
drive signal)
EPSLAMP
(EPS warning
On/Off
light output
state)
RPM
RPM
(Engine
speed signal)
TRQ_S_CORR
(System
Nm
neutral
position
setting)
TRQ_SENS
(Torque
Nm
sensor
signal)
VSS
KPH, MPH
(Vehicle
speed signal)
Steering wheel is
turned right: 0—
127 A
Steering wheel is
turned left: 0— -
128 A
EPS warning light
is illuminated: On
EPS warning light
is not illuminated:
Off
Engine speed
1,000 rpm: 1000
RPM
Steering wheel is
not turned: Near
0 Nm
(If system neutral
position setting
has not been
performed, 31.75
Nm is output.)
Steering wheel is
not turned: Near
0 Nm
Steering wheel is
turned right: 0—
31.75 Nm
Steering wheel is
turned left: 0— -
32 Nm
Vehicle is
stopped:
0 KPH/0 MPH
Vehicle speed 20
km/h {12 mph}:
20 KPH/12
MPH
Inspect EPS motor circuit.
Inspect power supply circuit
(such as IG switch, fuse).
Inspect EPS control module. (See
EPS CONTROL MODULE
INSPECTION.)
Inspect instrument cluster.
Inspect PCM. (See PCM
INSPECTION [13B-MSP].)
Perform EPS system neutral
position setting. (See
SYSTEM NEUTRAL POSITION
SETTING.)
Inspect torque sensor. (See
TORQUE SENSOR INSPECTION.)
Inspect torque sensor circuit.
Inspect PCM. (See PCM
INSPECTION [13B-MSP].)
Inspect instrument cluster. (See
INSTRUMENT CLUSTER
INSPECTION.)
Inspect DSC HU/CM. (See
HU/CM INSPECTION.)
4A, 4B
—
—
EPS
—
3A, 3B,
3C
—
DSC