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ELECTRIC POWER STEERING (EPS)
4.
Motor Une Short Circuit
Inspection
Disconnect the motor 2P connector
I
Check
for
continuity between
the
EPS
EeU
2P
gray B connector.
Connection: Red
(+
) -
Black
(-J
Is
th
ere continuity?
YES
-
Short circuit in the motor Red and Black
wire between the EP5
EeU
and motor
NO
-
Recheck
for
poor contact or loose con-
EPS Eeu
2P
B
CONNECTOR
(Viewed
from terminal
side)
Black
Red
nection in the wire
harness.
If they are
OK, replace
the
EP5 EeU with a new
I
one
(page
25-37).
.
DTC
13-02:
EPS ECU INTERNAL
' - - - - - - - -
CIRCUIT (UPPER FET STUCK ON)
(INITIAL DIAGNOSIS)
Refer
to
EPS
EeU
INTERNAL
CIRCUIT
(LOWER FET
STUCK ON) troubleshooting (page 25-20)
DTC
13-03:
EPS ECU INTERNAL
CIRCUIT (FET STUCK ON <OVER
CURRENT» (REGULAR DIAGNOSIS)
Refer
to
EPS
EeU
INTERNAL CIRCUIT
(LOWER
FET
STUCK ON) troubleshooting
(page
25-20)
DTC
13-04:
EPS ECU INTERNAL
CIRCUIT (FET STUCK ON
(VM<VOLTAGE MOTOR»
(REGULAR DIAGNOSIS)
Refer
to
EPS EeU INTERNAL CIRCUIT
(LOWER
FET
STUCK ON)
TROUBLESHOOTING
(page
25-20)
DTC
13-05:
EPS ECU INTERNAL
CIRCUIT (FET STUCK ON (OVER
CURRENT <ACCUMULATED»
(REGULAR DIAGNOSIS)
Refer
to EPS ECU
INTERNAL
CIRCUIT (LOWER
FET
STUCK ON) TROUBLESHOOTING (page 25-20)
DTC 14-01
:
EPS ECU INTERNAL
CIRCUIT (POWER RELAY STUCK ON)
(INITIAL DIAGNOSIS)
Refer to EPS ECU
INTERNAL
CIRCUIT
(LOWER
FET
STUCK ON) TROUBLESHOOTING
(page
25-20)
DTC
14-02:
EPS ECU INTERNAL
CIRCUIT (FAIL-SAFE RELAY 1 STUCK
ON) (INITIAL DIAGNOSIS)
Refer to
EPS
ECU
INTERNAL
CIRCUIT (LOWER
FET
STUCK ON) TROUBLESHOOTING (page 25-20)
DTC 14-03
:
EPS ECU INTERNAL
CIRCUIT (FAIL-SAFE RELAY 2 STUCK
ON) (INITIAL DIAGNOSIS)
Refer
to EPS
ECU INTERNAL
CIRCUIT
(LOWER FET
STUCK ON) TROUBLESHOOTING
(page
25-20)
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7
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~i
,
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