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ELECTRIC POWER STEERING (EPS)
OTe TROUBLESHOOTING
25-18
Refer to
the
EPS
connector
location (page 25-4) to
disconnect each connector
in the troubleshooting
.
DTC 11-01
:
EXCESSIVE CHANGE OF
THE VEHICLE SPEED SIGNAL
(REGULAR DIAGNOSIS)
NOTE
:
•
Before starting the troubleshooting, check
the
connectors for
loose
contacts or corroded
termi-
nals,
and recheck the DTC
.
•
Even
though
the system is operating normally.
the EPS
indicator
will
come
on when the
EeU
detects conditions of
DTe
11-01
,
DTe
1'-02 and
I
or22-1
.
1. Rear VS Sensor
$ignallnspection
Check
for
operation of
the
speedometer.
Does
the
speedometer
operate
normally?
NO
- Perform
the speedometer inspection
(page
22·8)
YES
- GO TO STEP
2.
2.
Rear VS
Sensor Signal
tine Open
Circuit
Inspection
Remove the following:
-
front fender
(page 2-1 1)
-
left
inner
fender
(page 2-9)
Disconnect the EPS
ECU 21
P
gra
y
A
connector
and
rear
VS sensor 3P yellow connector.
Check for continuity
between
the Pink/green
wire
harness
side of the
EPS ECU
21
P
gray A
connector
and
rear
VS sensor 3P yellow connec-
tor.
TOOL:
Pin probe
(Male)
07ZAJ-RDJA 110
Is there
continuity?
NO
-
Open circuit in
the
Pink/g
reen
wire
YES
- GO
TO
STEP
3.
3.
Rear
VS
Sensor Signa
l
line short
Circuit
Inspection
Check for Pink/green wire continuity between the
wire harness side of
the EPS ECU
21P gray A
connector and body ground.
TOOL:
Pin
probe
(Male)
07ZAJ-ROJA110
Is there
continuity?
YES
- Short circu it in the
Pink/green
wire
NO
- GO TO STEP
4.
I
REAR VS SENSOR
CONNECTOR
(Viewed
from terminal
side)
Pink/green
g
Pink/green
EPS ECU
21P
A CONNECTOR
(Viewed
from
terminal side)
EPS ECU
21P A CONNECTOR
(Viewed from
terminal
side)
Pink/green
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