Nissan Juke F15. Instruction — part 1189
STC-12
< ECU DIAGNOSIS INFORMATION >
EPS CONTROL UNIT
*4: Displays NORMAL in models without Integrated Control System.
TERMINAL LAYOUT
PHYSICAL VALUES
Fail-Safe
INFOID:0000000012199922
• If any malfunction occurs in the system, and control unit detects the malfunction, EPS warning lamp on com-
bination meter turns ON to indicate system malfunction.
• When EPS warning lamp is ON, enters into a instruction steering state. (Control turning force steering wheel
becomes heavy.)
Protection Function
INFOID:0000000012199923
EPS control unit decreases the output signal to EPS motor while extremely using the power steering function
(e.g., full steering) consecutively for protecting EPS motor and EPS control unit (Overload protection control).
While activating overload protection control, the assist torque gradually decreases, and the steering wheel
turning force becomes heavy. The normal assist torque is recovered if the steering wheel is not turned for a
while.
DTC Inspection Priority Chart
INFOID:0000000012199924
When multiple DTCs are detected simultaneously, check one by one depending on the following priority list.
JSGIA0834ZZ
Terminal No.
(Wire Color)
Description
Condition
Value
(Approx.)
+
−
Signal name
Input/Output
1
(P)
—
CAN-L
Input/Output
—
—
2
(L)
—
CAN-H
Input/Output
—
—
4
(LG)
Ground
Ignition power supply
Input
Ignition switch: ON
9 – 18.2 V
Ignition switch: OFF
0 V
9
(R)
Ground
Battery power supply
Input
Always
9 – 18.2 V
10
(B)
Ground
Ground
—
Always
0 V
Priority
Priority order item (DTC)
1
U1000 CAN COMM CIRCUIT
2
C1609 VEHICLE SPEED SIGNAL
3
C1601 BATTERY POWER SUPPLY
4
Other than the above
EPS CONTROL UNIT
STC-13
< ECU DIAGNOSIS INFORMATION >
C
D
E
F
H
I
J
K
L
M
A
B
STC
N
O
P
DTC Index
INFOID:0000000012199925
DTC
Items (CONSULT screen terms)
Reference
C1601
BATTERY VOLT
C1604
TORQUE SENSOR
C1606
EPS MOTOR
C1607
EEPROM
C1608
CONTROL UNIT
C1609
CAN VHCL SPEED
U1000
CAN COMM CIRCUIT
STC-14
< WIRING DIAGRAM >
ELECTRONICALLY CONTROLLED POWER STEERING SYSTEM
WIRING DIAGRAM
ELECTRONICALLY CONTROLLED POWER STEERING SYSTEM
Wiring Diagram
INFOID:0000000012199926
JRGWC2687GB
ELECTRONICALLY CONTROLLED POWER STEERING SYSTEM
STC-15
< WIRING DIAGRAM >
C
D
E
F
H
I
J
K
L
M
A
B
STC
N
O
P
JRGWC2688GB
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