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ELECTRIC POWER STEERING (EPS)
25-28
DTC
18-04:
EPS ECU INTERNAL
CIRCUIT (CURRENT SENSOR STUCK
LOW) (REGULAR DIAGNOSIS)
Refer
to
EPS
Eeu
INTERNAL
CIRCUIT
(CURRENT
SENSOR STUCK LOW) (INITIAL DIAGNOSIS)
trou
-
bleshooting
(page
25-27)
DTC 21 -01
:
ABNORMAL MOTOR
TERMINAL VOLTAGE (INITIAL
DIAGNOSIS)
Refer to EPS ECU INTERNAL CIRCUIT
(CURRENT
SENSOR lOW STUCK)
(IN ITIAL
DIAGNOSIS) trou-
bleshooting
(page
25-27)
DTC 21
-02:
ABNORMAL MOTOR
TERMINAL VOLTAGE (REGULAR
DIAGNOSIS)
Refer to EPS ECU INTERNAL CIRCUIT
(CURR
ENT
SENSOR
l
OW STUCK)
(INITIAL
DIAGNOSIS)
trou-
bleshooting
(page
25-27)
DTC 21
-03:
OPEN IN THE MOTOR
HARNESS (REGULAR DIAGNOSIS)
Refer to
EPS
ECU INTERNAL CIRCU
IT
(CURRENT
SENSOR LOW STUCK)
(INITIAL
DIAGNOSIS) trou-
bleshooting (page 25-27)
DTC 22-01
:
FAILURE TO INITIALIZE
THE TORQUE SENSOR (INITIAL
DIAGNOSIS)
NOTE:
•
The EPS EeU stores
the
torque sensor
neutral
position in the EEPROM.
The
torque sensor must
be
initialized
whenever the
EPS unit,
the motor,
the
EPS
ECU, etc is serviced
(page
25-13),
•
Refer to the torque sensor neutral
position
infor-
mation for detail of initialization parts
{page
25-
91.
•
OTC will not store
in
the
EPS
ECU
.
•
The torque sensor
neutral
position is not effected
when erasing the
DTCs.
1.
In
itializing
The Torq
ue
Sen sor
Perform
the Torque Sensor Initializing procedure
(page
25-13).
Does the
EPS indicator com
e
on7
NO
- System is normal at this time
YES
- Check the DTC and perform the trouble-
shooting
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