Nissan Murano Z51 (2008 year). Manual — part 382
TCM
TM-115
< ECU DIAGNOSIS >
[CVT: RE0F09B]
C
E
F
G
H
I
J
K
L
M
A
B
TM
N
O
P
INH SW3
Selector lever in “D” and “L” positions
On
Selector lever in “P”, “R” and “N” positions
Off
INH SW2
Selector lever in “N”, “D” and “L” positions
On
Selector lever in “P” and “R” positions
Off
INH SW1
Selector lever in “R”, “N” and “D” positions
On
Selector lever in “P” and “L” positions
Off
BRAKE SW
Depressed brake pedal
On
Released brake pedal
Off
FULL SW
Fully depressed accelerator pedal
On
Released accelerator pedal
Off
IDLE SW
Released accelerator pedal
On
Fully depressed accelerator pedal
Off
SPORT MODE SW
While pushing overdrive control switch
On
Other conditions
Off
INDLRNG
Selector lever in “L” position
On
Selector lever in other positions
Off
INDDRNG
Selector lever in “D” position
On
Selector lever in other positions
Off
INDNRNG
Selector lever in “N” position
On
Selector lever in other positions
Off
INDRRNG
Selector lever in “R” position
On
Selector lever in other positions
Off
INDPRNG
Selector lever in “P” position
On
Selector lever in other positions
Off
SPORT MODE IND
When overdrive OFF condition
On
Other conditions
Off
SMCOIL D
During driving
Changes ON
⇔
OFF.
SMCOIL C
During driving
Changes ON
⇔
OFF.
SMCOIL B
During driving
Changes ON
⇔
OFF.
SMCOIL A
During driving
Changes ON
⇔
OFF.
LUSEL SOL OUT
Selector lever in “P” and “N” positions
On
Wait at least for 5 seconds with the selector lever
in “R”, “D” and “L” positions
Off
LUSEL SOL MON
Selector lever in “P” and “N” positions
On
Wait at least for 5 seconds with the selector lever
in “R”, “D” and “L” positions
Off
STRTR RLY OUT
Selector lever in “P” and “N” positions
On
Selector lever in other positions
Off
STRTR RLY MON
Selector lever in “P” and “N” positions
On
Selector lever in other positions
Off
VDC ON
VDC operate
On
Other conditions
Off
TCS ON
TCS operate
On
Other conditions
Off
Item name
Condition
Display value (Approx.)
Revision: 2008 October
2009 Murano
TM-116
< ECU DIAGNOSIS >
[CVT: RE0F09B]
TCM
* Means CVT fluid temperature. Actual oil temperature
°
C (
°
F) cannot be checked unless a numeric value is converted. Refer to
"ATFTEMP COUNT Conversion Table"
TERMINAL LAYOUT
PHYSICAL VALUES
ABS ON
ABS operate
On
Other conditions
Off
RANGE
Selector lever in “N” and “P” positions
N·P
Selector lever in “R” position
R
Selector lever in “D” position
D
Selector lever in “L” position
L
Item name
Condition
Display value (Approx.)
SCIA6679J
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
+
−
Signal name
Input/Output
1
(P/B)
Ground
PNP switch 2
Input
Ignition switch ON
Selector lever in “N”, “D” and “L”
positions
0 V
Selector lever in other positions
10.0 V –
Battery
voltage
2
(P/L)
Ground
PNP switch 3
Input
Selector lever in “D” and “L” po-
sitions
0 V
Selector lever in other positions
10.0 V –
Battery
voltage
3
(G/O)
Ground
PNP switch 4
Input
Selector lever in “R” and “D” po-
sitions
0 V
Selector lever in other positions
10.0 V –
Battery
voltage
4
(GR)
Ground
PNP switch 3 (monitor)
Input
Selector lever in “D” and “L” po-
sitions
0 V
Selector lever in other positions
10.0 V –
Battery
voltage
5
(B)
Ground
Ground
Output
Always
0 V
6
*1
(O)
Ground
K-LINE
Input/Output
—
—
7
(W)
Ground
Sensor ground
Output
Always
0 V
Revision: 2008 October
2009 Murano
TCM
TM-117
< ECU DIAGNOSIS >
[CVT: RE0F09B]
C
E
F
G
H
I
J
K
L
M
A
B
TM
N
O
P
8
(G/W)
—
CLOCK (SEL2)
—
—
—
9
(L/R)
—
CHIP SELECT (SEL1)
—
—
—
10
(BR/R)
—
DATA I/O (SEL3)
—
—
—
11
(BR/W)
Ground
PNP switch 1
Input
Ignition switch ON
Selector lever in “R”, “N” and “D”
positions
0 V
Selector lever in other positions
Battery
voltage
13
(V)
Ground
CVT fluid temperature sen-
sor
Input
Ignition switch ON
When CVT fluid temperature is
20
°
C (68
°
F)
1.9 – 2.2
V
When CVT fluid temperature is
80
°
C (176
°
F)
0.8 – 1.1
V
14
(R/W)
Ground
Transmission fluid pres-
sure sensor B (Primary
pressure sensor)
Input
“N” position idle
0.5 – 0.8
V
15
(V/W)
Ground
Transmission fluid pres-
sure sensor A (Secondary
pressure sensor)
Input
1.0 – 1.5
V
19
(G/B)
Ground
Reverse lamp relay
Output
Ignition switch ON
Selector lever in “R” position
0 V
Selector lever in other positions
Battery
voltage
20
(R/B)
Ground
Starter relay
Output
Ignition switch ON
Selector lever in “N” and “P” po-
sitions
Battery
voltage
Selector lever in other positions
0 V
25
(W/R)
Ground
Sensor ground
Output
Always
0 V
26
(L/O)
Ground
Sensor power
Output
Ignition switch ON
4.75 –
5.25 V
Ignition switch OFF
0 V
27
(R/G)
Ground
Step motor D
Output
Within 2 seconds after ignition switch ON, the time
measurement by using the pulse width measurement
function (Hi level) of CONSULT-III.
*2
CAUTION:
Connect the diagnosis data link cable to the vehicle
diagnosis connector.
10.0
msec
28
(R)
Ground
Step motor C
Output
30.0
msec
29
(O/B)
Ground
Step motor B
Output
10.0
msec
30
(G/R)
Ground
Step motor A
Output
30.0
msec
31
(P)
—
CAN-L
Input/Output
—
—
32
(L)
—
CAN-H
Input/Output
—
—
33
(LG)
Ground
Input speed sensor (Prima-
ry speed sensor)
Input
When driving [“L” position, 20 km/h (12 MPH)]
680 Hz
34
(LG/R)
Ground
Output speed sensor (Sec-
ondary speed sensor)
Input
When driving [“D” position, 20 km/h (12 MPH)]
350 Hz
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
+
−
Signal name
Input/Output
Revision: 2008 October
2009 Murano
TM-118
< ECU DIAGNOSIS >
[CVT: RE0F09B]
TCM
*1: This is applied to up to VIN: JN8AZ18U*9W100000, JN8AZ18W*9W200000 (EXCEPT FOR MEXICO), JN8AZ18U*9W710000,
JN8AZ18W*9W810000 (FOR MEXICO)
*2: A circuit tester cannot be used to test this item.
Wiring Diagram - CVT CONTROL SYSTEM -
INFOID:0000000003306131
Up to VIN: JN8AZ18U*9W100000, JN8AZ18W*9W200000 (EXCEPT FOR MEXICO),
37
(V/R)
Ground
Lock-up select solenoid
valve
Output
Ignition switch ON
Selector lever in “P” and “N” po-
sitions
Battery
voltage
Wait at least for 5 seconds with
the selector lever in “R”, “D” and
“L” positions
0 V
38
(L/W)
Ground
Torque converter clutch so-
lenoid valve
Output
When vehicle drive
in “D” position
When CVT performs lock-up
6.0 V
When CVT does not perform
lock-up
1.0 V
39
(W/B)
Ground
Pressure control solenoid
valve B (Secondary pres-
sure solenoid valve)
Output
“N” positions idle
Release your foot from the ac-
celerator pedal.
5.0 – 7.0
V
Press the accelerator pedal all
the way down
3.0 – 4.0
V
40
(R/Y)
Ground
Pressure control solenoid
valve A (Line pressure so-
lenoid valve)
Output
Release your foot from the ac-
celerator pedal
5.0 – 7.0
V
Press the accelerator pedal all
the way down
1.0 – 3.0
V
42
(B)
Ground
Ground
Output
Always
0 V
45
*1
(L/R)
Ground
Power supply
(memory back-up)
Input
Always
Battery
voltage
46
(Y)
Ground
Power supply
Output
Ignition switch ON
Battery
voltage
Ignition switch OFF
0 V
47
(L/R)
Ground
Power supply
(memory back-up)
Input
Always
Battery
voltage
48
(Y)
Ground
Power supply
Output
Ignition switch ON
Battery
voltage
Ignition switch OFF
0 V
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
+
−
Signal name
Input/Output
Revision: 2008 October
2009 Murano
TCM
TM-119
< ECU DIAGNOSIS >
[CVT: RE0F09B]
C
E
F
G
H
I
J
K
L
M
A
B
TM
N
O
P
JN8AZ18U*9W710000, JN8AZ18W*9W810000 (FOR MEXICO)
JCDWM0473GB
Revision: 2008 October
2009 Murano
TM-120
< ECU DIAGNOSIS >
[CVT: RE0F09B]
TCM
JCDWM0474GB
Revision: 2008 October
2009 Murano
TCM
TM-121
< ECU DIAGNOSIS >
[CVT: RE0F09B]
C
E
F
G
H
I
J
K
L
M
A
B
TM
N
O
P
JCDWM0475GB
Revision: 2008 October
2009 Murano
TM-122
< ECU DIAGNOSIS >
[CVT: RE0F09B]
TCM
JCDWM0476GB
Revision: 2008 October
2009 Murano
TCM
TM-123
< ECU DIAGNOSIS >
[CVT: RE0F09B]
C
E
F
G
H
I
J
K
L
M
A
B
TM
N
O
P
From VIN: JN8AZ18U*9W100001, JN8AZ18W*9W200001 (EXCEPT FOR MEXICO),
JCDWM0477GB
Revision: 2008 October
2009 Murano
TM-124
< ECU DIAGNOSIS >
[CVT: RE0F09B]
TCM
JN8AZ18U*9W710001, JN8AZ18W*9W810001 (FOR MEXICO)
JCDWM0478GB
Revision: 2008 October
2009 Murano
TCM
TM-125
< ECU DIAGNOSIS >
[CVT: RE0F09B]
C
E
F
G
H
I
J
K
L
M
A
B
TM
N
O
P
JCDWM0479GB
Revision: 2008 October
2009 Murano
TM-126
< ECU DIAGNOSIS >
[CVT: RE0F09B]
TCM
JCDWM0480GB
Revision: 2008 October
2009 Murano
TCM
TM-127
< ECU DIAGNOSIS >
[CVT: RE0F09B]
C
E
F
G
H
I
J
K
L
M
A
B
TM
N
O
P
JCDWM0481GB
Revision: 2008 October
2009 Murano
TM-128
< ECU DIAGNOSIS >
[CVT: RE0F09B]
TCM
Fail-safe
INFOID:0000000003306132
The TCM has an electrical fail-safe mode. In this mode TCM operates even if there is an error in a main elec-
tronic control input/output signal circuit.
FAIL-SAFE FUNCTION
If any malfunction occurs in a sensor or solenoid valve, this function controls the CVT to make driving possi-
ble.
JCDWM0482GB
Revision: 2008 October
2009 Murano
TCM
TM-129
< ECU DIAGNOSIS >
[CVT: RE0F09B]
C
E
F
G
H
I
J
K
L
M
A
B
TM
N
O
P
Output Speed Sensor (Secondary Speed Sensor)
The shift pattern is changed in accordance with the throttle position when an unexpected signal is sent from
the output speed sensor (secondary speed sensor) to the TCM. The overdrive control mode is inhibited, and
the transaxle is put in “D”.
Input Speed Sensor (Primary Speed Sensor)
The shift pattern is changed in accordance with the throttle position and secondary speed (vehicle speed)
when an unexpected signal is sent from the input speed sensor (primary speed sensor) to the TCM. The over-
drive control mode is inhibited, and the transaxle is put in “D”.
PNP Switch
If an unexpected signal is sent from the PNP switch to the TCM, the transaxle is put in “D”.
CVT Fluid Temperature Sensor
If an unexpected signal is sent from the CVT fluid temperature sensor to the TCM, the gear ratio in use before
receiving the unexpected signal is maintained or the gear ratio is controlled to keep engine speed under 5,000
rpm.
Transmission Fluid Pressure Sensor A (Secondary Pressure Sensor)
• If an unexpected signal is sent from the transmission fluid pressure sensor A (secondary pressure sensor) to
the TCM, the secondary pressure feedback control is stopped and the offset value obtained before the non-
standard condition occurs is used to control line pressure.
• If transmission fluid pressure sensor A (secondary pressure sensor) error signal is inputted to the TCM, sec-
ondary pressure feedback control stops, but line pressure is controlled normally.
Pressure Control Solenoid A (Line Pressure Solenoid Valve)
If an unexpected signal is sent from the solenoid valve to the TCM, the pressure control solenoid A (line pres-
sure solenoid valve) is turned OFF to achieve the maximum fluid pressure.
Pressure Control Solenoid B (Secondary Pressure Solenoid Valve)
If an unexpected signal is sent from the solenoid valve to the TCM, the pressure control solenoid B (secondary
pressure solenoid valve) is turned OFF to achieve the maximum fluid pressure.
Torque Converter Clutch Solenoid Valve
If an unexpected signal is sent from the solenoid valve to the TCM, the torque converter clutch solenoid valve
is turned OFF to cancel the lock-up.
Step Motor
If an unexpected signal is sent from the step motor to the TCM, the step motor coil phases “A” through “D” are
all turned OFF to hold the gear ratio used just before the non-standard condition occurred.
CVT Lock-up Select Solenoid Valve
If an unexpected signal is sent from the solenoid valve to the TCM, the CVT lock-up select solenoid valve is
turned OFF to cancel the lock-up.
TCM Power Supply (Memory Back-up)
Transaxle assembly is protected by limiting the engine torque when the memory back-up power supply (for
controlling) from the battery is not supplied to the TCM. Normal status is restored when turning the ignition
switch OFF to ON after the normal power supply.
DTC Inspection Priority Chart
INFOID:0000000003306133
If some DTCs are displayed at the same time, perform inspections one by one based on the following priority
chart.
NOTE:
If DTC “U1000 CAN COMM CIRCUIT” is indicated with other DTCs, start from a diagnosis for “DTC
U1000 CAN COMMUNICATION LINE”. Refer to
DTC Index
INFOID:0000000003306134
NOTE:
Priority
Detected items (DTC)
1
U1000 CAN communication line
2
Except above
Revision: 2008 October
2009 Murano
TM-130
< ECU DIAGNOSIS >
[CVT: RE0F09B]
TCM
If DTC “U1000 CAN COMM CIRCUIT” is indicated with other DTCs, start from a diagnosis for “DTC
U1000 CAN COMMUNICATION LINE”. Refer to
• *1: These numbers are prescribed by SAE J2012.
• *2: Refer to
TM-32, "Diagnosis Description"
.
DTC
*1
Items
(CONSULT-III screen terms)
Reference
“TRANSMISSION” with
CONSULT-III
MIL
*2
, “ENGINE” with CON-
SULT-III or GST
P0615
—
STARTER RELAY/CIRC
P0703
—
BRAKE SW/CIRC
P0705
P0705
PNP SW/CIRC
P0710
P0710
ATF TEMP SEN/CIRC
P0715
P0715
INPUT SPD SEN/CIRC
P0720
P0720
VEH SPD SEN/CIR AT
P0725
—
ENGINE SPEED SIG
P0730
—
BELT DAMG
P0740
P0740
TCC SOLENOID/CIRC
P0744
P0744
A/T TCC S/V FNCTN
P0745
P0745
L/PRESS SOL/CIRC
P0746
P0746
PRS CNT SOL/A FCTN
P0776
P0776
PRS CNT SOL/B FCTN
P0778
P0778
PRS CNT SOL/B CIRC
P0840
P0840
TR PRS SENS/A CIRC
P0841
—
PRESS SEN/FNCTN
P0845
P0845
TR PRS SENS/B CIRC
P0868
—
SEC/PRESS DOWN
P1701
—
TCM-POWER SUPPLY
P1705
—
TP SEN/CIRC A/T
P1722
—
ESTM VEH SPD SIG
P1723
—
CVT SPD SEN/FNCTN
P1726
—
ELEC TH CONTROL
P1740
P1740
LU-SLCT SOL/CIRC
P1745
—
L/PRESS CONTROL
P1777
P1777
STEP MOTR CIRC
P1778
P1778
STEP MOTR/FNC
U1000
U1000
CAN COMM CIRCUIT
Revision: 2008 October
2009 Murano
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