ELECTRIC POWER STEERING (EPS: FPM/FPE
models)
SERVICE INFORMATION
GENERAL
This section covers electrical system service
of
the
EPS
(FPMIFPE models).
For
other
service
of
the steering system, see Front
WheelfSuspension/Steering section (page 16-32).
When performing the
DIG
troubleshooting, read "EPS Troubleshooting Informalion" carefully (page
24
-9), and inspect and
troubleshoot according to the OTe. Observe each slep
of
the procedures one
by
one. Note
the
DTC and probable faulty part
before starting diagnosis and troubleshooting.
The EPS ECU
may
be damaged
if
dropped. Also.
if
the connector is disconnected
when
current is flowing, the excessive voltage
may
damage the EPS ECU . Always turn off the ignition switch before disconnecting
or
connecting the connectors.
TOOLS
SCS
service connector
070PZ-ZY30100
•
Test probe
07ZAJ-RDJA110
HOS pocket tester
TOS
3557-0112-01
(U
.S.A. Only)
SYMPTOM TROUBLESHOOTING
L
Symptom
EPS indicator does not come
00
EPS indicator does not go
off, and
no
DTCs are stored
24-4
o;,~.g~n
~
o
~
S
~
iS
;:;:
::::::::=,=+=
Also
check
for
Inspect the EPS indicator circuit Short circuit between the
com~bi
:"
na
~
t
~
io
~
o
~
m
~
e
~
te
-
r
and
(page
24
-32) ECU
Inspect
the
EPS indicator circuit
(page
24
-33)
combination meter and
Short circuit in the OLC related wire
Open circuit in the EPS ECU line
Open circuit in
the
motor power input line
Open circuit in
the
power ground line
I
I
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