Nissan Murano Z50 (2004 year). Manual — part 52
TROUBLE DIAGNOSIS
CVT-51
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CVT
Revision: 2004 November
2004 Murano
Cruise Test
ACS007X1
1.
CHECK VEHICLE SPEED WHEN SHIFTING GEARS — PART 1
1.
Drive vehicle for approximately 10 minutes to warm engine oil and CVT fluid up to operating temperature.
2.
Park vehicle on flat surface.
3.
Move selector lever to “P” position.
4.
Start engine.
5.
Move selector lever to “D” position.
6.
Accelerate vehicle by constantly depressing accelerator pedal
half-way.
Read vehicle speed and engine speed. Refer to
"Vehicle Speed When Shifting Gears"
OK or NG
OK
>> GO TO 2.
NG
>> Mark the box of “CVT Does Not Shift” on the “DIAG-
. Continue “Road
Test”.
CVT fluid operating temperature:
50 - 80
°
C (122 - 176
°
F)
SCIA4363E
SCIA4285E
SAT495G
CVT-52
TROUBLE DIAGNOSIS
Revision: 2004 November
2004 Murano
2.
CHECK VEHICLE SPEED WHEN SHIFTING GEARS — PART 2
1.
Park vehicle on flat surface.
2.
Move selector lever to “D” position.
3.
Accelerate vehicle by constantly depressing accelerator pedal
fully depressed.
Read vehicle speed and engine speed. Refer to
"Vehicle Speed When Shifting Gears"
OK or NG
OK
>> GO TO 3.(With manual mode)
OK
>> GO TO 7. (Without manual mode)
NG
>> Mark the box of “CVT Does Not Shift” on the “DIAG-
NOSTIC WORKSHEET”
. Continue “Road
Test”.
3.
CHECK MANUAL MODE FUNCTION
Move to manual mode from “D” position.
Does it switch to manual mode?
YES
>> GO TO 4.
NO
>> Mark the box of “Cannot be Changed to Manual Mode”
on the “DIAGNOSTIC WORKSHEET”
. Con-
tinue “Road Test”.
4.
CHECK SHIFT-UP FUNCTION
During manual mode driving, is upshift from M1
→
M2
→
M3
→
M4
→
M5
→
M6 performed?
Read the gear position. Refer to
.
Is upshifting correctly performed?
YES
>> GO TO 5.
NO
>> Mark the box of “CVT Does Not Shift In Manual Mode”
on the “DIAGNOSTIC WORKSHEET”
. Con-
tinue “Road Test”.
SCIA4285E
SCIA4366E
SCIA4587E
SCIA5954E
TROUBLE DIAGNOSIS
CVT-53
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Revision: 2004 November
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5.
CHECK SHIFT-DOWN FUNCTION
During manual mode driving, is downshift from M6
→
M5
→
M4
→
M3
→
M2
→
M1 performed?
Read the gear position. Refer to
Is downshifting correctly performed?
YES
>> GO TO 6.
NO
>> Mark the box of “CVT Does Not Shift In Manual Mode”
on the “DIAGNOSTIC WORKSHEET”
. Con-
tinue “Road Test”.
6.
CHECK ENGINE BRAKE FUNCTION
Check engine brake.
Does engine braking effectively reduce speed in M1 position?
YES
>> 1. Stop the vehicle.
2. Carry out the self-diagnostics. Refer to
NO
>> Mark the box of “Vehicle Does Not Decelerate By
Engine Brake” on the “DIAGNOSTIC WORKSHEET”
. then continue trouble diagnosis.
7.
CHECK “S” POSITION FUNCTION — PART 1
1.
Park vehicle on flat surface.
2.
Move selector lever to “S” position.
3.
Accelerate vehicle by constantly depressing accelerator pedal
half-way.
Read vehicle speed and engine speed. Refer to
"Vehicle Speed When Shifting Gears"
OK or NG
OK
>> GO TO 8.
NG
>> Mark the box of “Cannot Be Changed to Second Posi-
tion” on the “DIAGNOSTIC WORKSHEET”
.
Continue “Road Test”.
SCIA5955E
SCIA5956E
SCIA4367E
SAT495G
CVT-54
TROUBLE DIAGNOSIS
Revision: 2004 November
2004 Murano
8.
CHECK “S” POSITION FUNCTION — PART 2
1.
Park vehicle on flat surface.
2.
Move selector lever to “S” position.
3.
Accelerate vehicle by constantly depressing accelerator pedal
fully depressed.
Read vehicle speed and engine speed. Refer to
"Vehicle Speed When Shifting Gears"
OK or NG
OK
>> GO TO 9.
NG
>> Mark the box of “Cannot Be Changed to Second Posi-
tion” on the “DIAGNOSTIC WORKSHEET”
Continue “Road Test”.
9.
CHECK “L” POSITION FUNCTION — PART 1
1.
Park vehicle on flat surface.
2.
Move selector lever to “L” position.
3.
Accelerate vehicle by constantly depressing accelerator pedal
half-way.
Read vehicle speed and engine speed. Refer to
"Vehicle Speed When Shifting Gears"
OK or NG
OK
>> GO TO 10.
NG
>> Mark the box of “Cannot Be Changed to “L” Position ” on
the “DIAGNOSTIC WORKSHEET”
. Continue
“Road Test”.
SCIA4367E
SCIA4366E
SCIA4368E
SAT495G
TROUBLE DIAGNOSIS
CVT-55
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Revision: 2004 November
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10.
CHECK “L” POSITION FUNCTION — PART 2
1.
Park vehicle on flat surface.
2.
Move selector lever to “L” position.
3.
Accelerate vehicle by constantly depressing accelerator pedal
fully depressed.
Read vehicle speed and engine speed. Refer to
"Vehicle Speed When Shifting Gears"
OK or NG
OK
>> GO TO 11.
NG
>> Mark the box of “Cannot Be Changed to “L” Position ” on
the “DIAGNOSTIC WORKSHEET”
. Continue
“Road Test”.
11.
CHECK ENGINE BRAKE FUNCTION
Check engine brake.
Does engine braking effectively reduce speed in “L” position?
YES
>> 1. Stop the vehicle.
2. Perform self-diagnosis. Refer to
NO
>> Mark the box of “Vehicle Does Not Decelerate By
Engine Brake” on the “DIAGNOSTIC WORKSHEET”
. then continue trouble diagnosis.
Vehicle Speed When Shifting Gears
ACS007X2
Numerical value data are reference values.
*: Without manual mode
CAUTION:
Lock-up clutch is engaged when vehicle speed is approximately 18 km/h (11 MPH) to 90 km/h (56 MPH).
SCIA4368E
SCIA4366E
SCIA6372E
Engine type
Throttle position
Shift pattern
Engine speed (rpm)
At 40 km/h (25 MPH)
At 60 km/h (37 MPH)
VQ35DE
8/8
“D” position
Second position*
“L” position*
2,800 - 4,300
3,900 - 5,300
2/8
“D” position
1,200 - 2,000
1,300 - 2,100
Second position*
2,200 - 3,000
2,800 - 3,600
“L” position*
2,800 - 3,600
3,800 - 4,600
CVT-56
TROUBLE DIAGNOSIS
Revision: 2004 November
2004 Murano
TCM Input/Output Signal Reference Values
ACS007X3
TCM TERMINAL CONNECTOR LAYOUT
TCM INSPECTION TABLE
Data are reference values and are measured between each terminal and ground.
SCIA0495E
Terminal
Wire
color
Item
Condition
Data (Approx.)
1
R/Y
Pressure control
solenoid valve A
(line pressure
solenoid valve)
and
Release your foot from the accelerator pedal.
5.0 - 7.0V
Press the accelerator pedal all the way down.
1.0 - 3.0V
2
W/B
Pressure control
solenoid valve B
(secondary pres-
sure solenoid
valve)
Release your foot from the accelerator pedal.
5.0 - 7.0V
Press the accelerator pedal all the way down.
3.0 - 4.0V
3
L/W
TCC solenoid
valve
Lock-up applied to lock-up cancelled
6.0 - 0V
4
L/Y
Lock-up select
solenoid valve
“P” and “N” positions.
Battery voltage
Wait at least for 5 seconds with the selector lever in
“R”, “D”, “S”* and “L”* positions.
*: Without manual mode.
0V
5
L
CAN H
–
–
6
Y
CAN L
–
–
8
SB
Back-up lamp
relay
Selector lever in “R” position.
0V
Selector lever in other positions.
Battery voltage
10
Y/L
Power supply
—
Battery voltage
—
0V
11
G/R
Step motor A
Within 2 seconds after key switch “ON”, the time measurement by using the
pulse width measurement function (Hi level) of CONSULT-II.*1
CAUTION:
Connect the diagnosis data link cable to the vehicle diagnosis con-
nector.
*1: A circuit tester cannot be used to test this item.
30.0 msec
12
O/B
Step motor B
10.0 msec
13
G/W
ROM assembly
—
—
14
L/R
ROM assembly
—
—
15
BR/R
ROM assembly
—
—
TROUBLE DIAGNOSIS
CVT-57
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CVT
Revision: 2004 November
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19
Y/L
Power supply
—
Battery voltage
—
0V
20
R
Step motor C
Within 2 seconds after key switch “ON”, the time measurement by using the
pulse width measurement function (Hi level) of CONSULT-II.*1
CAUTION:
Connect the diagnosis data link cable to the vehicle diagnosis con-
nector.
*1: A circuit tester cannot be used to test this item.
30.0 msec
21
R/G
Step motor D
10.0 msec
24
G/O
Starter relay
Selector lever in “N”,“P”positions.
Battery voltage
Selector lever in other positions.
0V
—
0V
25
B
Ground
Always
0V
27
BR/W
PNP switch 1
Selector lever in “R”, “N”, “D”, “S”* positions.
*: Without manual mode.
0V
Selector lever in “P”, “L”* positions.
*: Without manual mode.
Battery voltage
28
Y/R
Power supply
(Memory back-
up)
Always
Battery voltage
29
G
Output speed
sensor (second-
ary speed sen-
sor)
When driving [“D” position, 20 km/h (12 MPH)].
300 Hz
32
GR
PNP switch 3
(monitor)
Selector lever in “D”, “S”*, “L”* positions.
*: Without manual mode.
0V
Selector lever in “P”, “R”, “N” positions.
8.0V - Battery
voltage
34
P/B
PNP switch 2
Selector lever in “N”, “D”, “S”*, “L”* positions.
*: Without manual mode.
0V
Selector lever in “P”, “R” positions.
10.0V - Battery
voltage
35
P/L
PNP switch 3
Selector lever in “D”, “S”*, “L”* positions.
*: Without manual mode.
0V
Selector lever in “P”, “R”, “N” positions.
8.0V - Battery
voltage
36
G
PNP switch 4
Selector lever in “R”, “D”, “S”* positions.
*: Without manual mode.
0V
Selector lever in “P”, “N”, “L”* positions.
*: Without manual mode.
10.0V - Battery
voltage
37
V/W
Transmission
fluid pressure
sensor A (sec-
ondary pressure
sensor)
and
“N” position idle
0.8V
Terminal
Wire
color
Item
Condition
Data (Approx.)
CVT-58
TROUBLE DIAGNOSIS
Revision: 2004 November
2004 Murano
38
LG
Input speed sen-
sor (primary
speed sensor)
When driving [“D” position, 20 km/h (12 MPH)].
600 Hz
41
V/O
Transmission
fluid pressure
sensor B (pri-
mary pressure
sensor)
and
“N” position idle
0.7 - 3.5V
42
W/R
Sensor ground
Always
0V
46
L/O
Sensor power
—
4.5 - 5.5V
—
0V
47
V
CVT fluid tem-
perature sensor
When CVT fluid temperature is 20
°
C (68
°
F)
2.0V
When CVT fluid temperature is 80
°
C (176
°
F)
1.0V
48
B
Ground
Always
0V
Terminal
Wire
color
Item
Condition
Data (Approx.)
TROUBLE DIAGNOSIS
CVT-59
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CVT
Revision: 2004 November
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CONSULT-II
ACS007X4
CONSULT-II can display each diagnostic item using the diagnostic test modes shown below.
FUNCTION
CONSULT-II REFERENCE VALUE
Diagnostic test mode
Function
Reference page
Work support
This mode enables a technician to adjust some devices faster and more accurately by
following the indications on CONSULT-II.
Self-diagnostic results
Self-diagnostic results can be read and erased quickly.
Data monitor
Input/Output data in the ECM can be read.
CAN diagnostic support
monitor
The results of transmit/receive diagnosis of CAN communication can be read.
—
CALIB data
Characteristic information for TCM and CVT assembly can be read. Do not use, but
displayed.
—
Function test
Conducted by CONSULT-II instead of a technician to determine whether each system
is “OK” or “NG”.
—
ECU part number
ECU part number can be read.
—
Item name
Condition
Display value (Approx.)
VSP SENSOR (km/h)
During driving
Approximately matches the speedometer
reading.
ESTM VSP SIG (km/h)
PRI SPEED SEN (rpm)
During driving (lock-up ON)
Approximately matches the engine speed.
ENG SPEED SIG (rpm)
Engine running
Closely matches the tachometer reading.
SEC HYDR SEN (V)
“N” position idle
0.8 - 1.0V
PRI HYDR SEN (V)
“N” position idle
0.7 - 3.5V
ATF TEMP SEN (V)
When CVT fluid temperature is 20
°
C (68
°
F)
1.8 - 2.0V
When CVT fluid temperature is 80
°
C (176
°
F).
0.6 - 1.0V
VIGN SEN (V)
Ignition switch: ON
Battery voltage
VEHICLE SPEED (km/h)
During driving
Approximately matches the speedometer
reading.
PRI SPEED (rpm)
During driving (lock-up ON)
Approximately matches the engine speed.
SEC SPEED (rpm)
During driving
45 X Approximately matches the speed-
ometer reading.
ENG SPEED (rpm)
Engine running
Closely matches the tachometer reading.
GEAR RATIO
During driving
2.37 - 0.43
ACC PEDAL OPEN
Released accelerator pedal - Fully depressed
accelerator pedal
0.0/8 - 8.0/8
SEC PRESS (MPa)
“N” position idle
0.5 - 0.9MPa
PRI PRESS (MPa)
“N” position idle
0.3 - 0.9MPa
STM STEP (step)
During driving
-20 step - 190 step
ISOLT1 (A)
Lock-up “OFF”
0.0A
Lock-up “ON”
0.7A
ISOLT2 (A)
Line pressure low - Line pressure high
0.8 - 0.0A
ISOLT3 (A)
Secondary pressure low - Secondary pressure
high
0.8 - 0.0A
SOLMON1 (A)
Lock-up “OFF”
0.0A
Lock-up “ON”
0.6 - 0.7A
SOLMON2 (A)
“N” position idle
0.8A
When stalled
0.3 - 0.6A
CVT-60
TROUBLE DIAGNOSIS
Revision: 2004 November
2004 Murano
SOLMON3 (A)
“N” position idle
0.6 - 0.7A
When stalled
0.4 - 0.6A
INH SW3M (ON-OFF display)
Selector lever in “D”, “S”*, “L”* positions
*: Without manual mode.
ON
Selector lever in “P”, “R”, “N” positions
OFF
INH SW4 (ON-OFF display)
Selector lever in “R”, “D”, “S”* positions
*: Without manual mode.
ON
Selector lever in “P”, “N”, “L”* positions
*: Without manual mode.
OFF
INH SW3 (ON-OFF display)
Selector lever in “D”, “S”*, “L”* positions
*: Without manual mode.
ON
Selector lever in “P”, “R”, “N” positions
OFF
INH SW2 (ON-OFF display)
Selector lever in “N”, “D”, “S”*, “L”* positions
*: Without manual mode.
ON
Selector lever in “P”, “R” positions
OFF
INH SW1 (ON-OFF display)
Selector lever in “R”, “N”, “D”, “S”* positions
*: Without manual mode.
ON
Selector lever in “P”, “L”* positions
*: Without manual mode.
OFF
BRAKESW (ON-OFF display)
Depressed brake pedal
ON
Released brake pedal
OFF
FULL SW (ON-OFF display)
Fully depressed accelerator pedal
ON
Released accelerator pedal
OFF
IDLE SW (ON-OFF display)
Released accelerator pedal
ON
Fully depressed accelerator pedal
OFF
SPORT MODE SW (ON-OFF display)
Selector lever in “S”*, “L”* position
*: Without manual mode.
ON
Selector lever in other position
OFF
DOWNLVR (ON-OFF display)
Select lever: - side
ON
Other than the above
OFF
UPLVR (ON-OFF display)
Select lever: + side
ON
Other than the above
OFF
NON MMODE (ON-OFF display)
Manual shift gate position (neutral, +side, -side)
OFF
Other than the above
ON
MMODE (ON-OFF display)
Manual shift gate position (neutral)
ON
Other than the above
OFF
INDDRNG (ON-OFF display)
Selector lever in “D” position
ON
Selector lever in other position
OFF
INDLRNG (ON-OFF display)
Selector lever in “L”* position
*: Without manual mode.
ON
Selector lever in other position
OFF
INDNRNG (ON-OFF display)
Selector lever in “N” position
ON
Selector lever in other position
OFF
INDRRNG (ON-OFF display)
Selector lever in “R” position
ON
Selector lever in other position
OFF
INDPRNG (ON-OFF display)
Selector lever in “P” position
ON
Selector lever in other position
OFF
Item name
Condition
Display value (Approx.)
TROUBLE DIAGNOSIS
CVT-61
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CVT
Revision: 2004 November
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CONSULT-II SETTING PROCEDURE
CAUTION:
If CONSULT-II is used with no connection of CONSULT-II CONVERTER, malfunctions might be
detected in self-diagnosis depending on control unit which perform CAN communication.
●
For details, refer to the separate “CONSULT-II Operations Man-
ual”.
1.
Turn ignition switch OFF.
2.
Connect CONSULT-II and CONSULT-II CONVERTER to data
link connector, which is located in instrument lower panel on
driver side.
3.
Turn ignition switch ON. (Do not start engine.)
SMCOIL D (ON-OFF display)
During driving
Changes ON
⇔
OFF.
SMCOIL C (ON-OFF display)
SMCOIL B (ON-OFF display)
SMCOIL A (ON-OFF display)
LUSEL SOL OUT (ON-OFF display)
“P”, “N” positions
ON
Wait at least for 5 seconds with the selector
lever in “R”, “D” “S”*, “L”* positions
*: Without manual mode.
OFF
STRTR RLY OUT (ON-OFF display)
Selector lever in “P”, “N” positions
ON
Selector lever in other positions
OFF
STRTR RLY MON (ON-OFF display)
Selector lever in “P”, “N” positions
ON
Selector lever in other positions
OFF
VDC ON (ON-OFF display)
VDC operate
ON
Other conditions
OFF
TCS ON (ON-OFF display)
TCS operate
ON
Other conditions
OFF
ABS ON (ON-OFF display)
ABS operate
ON
Other conditions
OFF
RANGE
Selector lever in “N” or “P” position.
N·P
Selector lever in “R” position.
R
Selector lever in “D” position.
D
Selector lever in “S”* position.
*: Without manual mode.
S
Selector lever in “L”* position.
*: Without manual mode.
L
M GEAR POS
During driving
1, 2, 3, 4, 5, 6
Item name
Condition
Display value (Approx.)
PBIB0196E
CVT-62
TROUBLE DIAGNOSIS
Revision: 2004 November
2004 Murano
4.
Touch “START (NISSAN BASED VHCL)”.
5.
Touch “TRANSMISSION”.
If “TRANSMISSION” is not indicated, go to
Data Link Connector (DLC) Circuit"
6.
Perform each diagnostic test mode according to each service
procedure.
SELF-DIAGNOSTIC RESULT MODE
After performing self-diagnosis, place check marks for results on the
CVT-34, "DIAGNOSTIC WORKSHEET"
.
Reference pages are provided following the items.
Operation Procedure
1.
Perform “CONSULT-II SETTING PROCEDURE”. Refer to
CVT-61, "CONSULT-II SETTING PROCE-
2.
Touch “SELF-DIAG RESULTS”.
Display shows malfunction experienced since the last erasing
operation.
Display Items List
X: Applicable
—: Not applicable
SAIA0450E
SCIA4825E
SCIA5492E
Items (CONSULT-II
screen terms)
Malfunction is detected when...
TCM self-diag-
nosis
OBD-II (DTC)
“TRANSMIS-
SION” with
CONSULT-II
MIL indicator
lamp*1,
“ENGINE” with
CONSULT-II or
GST
CAN COMM CIRCUIT
●
When a malfunction is detected in CAN communications
U1000
U1000
STARTER RELAY/
CIRC
●
If this signal is ON other than in P or N position, this is judged to be
a malfunction.
(And if it is OFF in P or N position, this is judged to be a malfunction
too.)
P0615
—
BRAKE SW/CIRC
●
When the brake switch does not switch to ON or OFF
P0703
—
TROUBLE DIAGNOSIS
CVT-63
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PNP SW/CIRC
●
PNP switch 1-4 signals input with impossible pattern
●
PNP switch 3 monitor terminal open or short circuit
P0705
P0705
ATF TEMP SEN/
CIRC
●
During running, the CVT fluid temperature sensor signal voltage is
excessively high or low
P0710
P0710
INPUT SPD SEN/
CIRC
●
Input speed sensor (primary speed sensor) signal is not input due to
an open circuit.
●
An unexpected signal is input when vehicle is being driven.
P0715
P0715
VEH SPD SEN/CIR
AT
●
Signal from vehicle speed sensor CVT [Output speed sensor (Sec-
ondary speed sensor)] not input due to open or short circuit
●
Unexpected signal input during running
P0720
P0720
ENGINE SPEED SIG
●
TCM does not receive the CAN communication signal from the
ECM.
P0725
—
BELT DAMG
●
Unexpected gear ratio detected
P0730
—
TCC SOLENOID/
CIRC
●
Normal voltage not applied to solenoid due to open or short circuit
P0740
P0740
A/T TCC S/V FNCTN
●
CVT cannot perform lock-up even if electrical circuit is good.
●
TCM detects as irregular by comparing difference value with slip
rotation.
P0744
P0744
L/PRESS SOL/CIRC
●
Normal voltage not applied to solenoid due to open or short circuit
●
TCM detects as irregular by comparing target value with monitor
value.
P0745
P0745
PRS CNT SOL/A
FCTN
●
Unexpected gear ratio was detected in the LOW side due to exces-
sively low line pressure.
P0746
P0746
PRS CNT SOL/B
FCTN
●
Secondary pressure is too high or too low compared with the com-
manded value while driving.
P0776
P0776
PRS CNT SOL/B
CIRC
●
Normal voltage not applied to solenoid due to cut line, short, or the
like
●
TCM detects as irregular by comparing target value with monitor
value.
P0778
P0778
MANUAL MODE
SWITCH
●
When an impossible pattern of switch signals is detected, a mal-
function is detected.
P0826
—
TR PRS SENS/A
CIRC
●
Signal voltage of the transmission fluid pressure sensor A (second-
ary pressure sensor) is too high or too low while driving.
P0840
P0840
PRESS SEN/FNCTN
●
Correlation between the values of the transmission fluid pressure
sensor A (secondary pressure sensor) and the transmission fluid
pressure sensor B (primary pressure sensor) is out of specification.
P0841
—
TR PRS SENS/B
CIRC
●
Signal voltage of the transmission fluid pressure sensor B (primary
pressure sensor) is too high or too low while driving.
P0845
P0845
SEC/PRESS DOWN
●
Secondary fluid pressure is too low compared with the commanded
value while driving.
P0868
—
TCM-POWER SUP-
PLY
●
When the power supply to the TCM is cut “OFF”, for example
because the battery is removed, and the self-diagnostics memory
function stops
●
This is not a malfunction message (Whenever shutting “OFF” a
power supply to the TCM, this message appears on the screen.)
P1701
—
TP SEN/CIRC A/T
●
TCM does not receive the proper accelerator pedal position signals
(input by CAN communication) from ECM.
P1705
—
Items (CONSULT-II
screen terms)
Malfunction is detected when...
TCM self-diag-
nosis
OBD-II (DTC)
“TRANSMIS-
SION” with
CONSULT-II
MIL indicator
lamp*1,
“ENGINE” with
CONSULT-II or
GST
CVT-64
TROUBLE DIAGNOSIS
Revision: 2004 November
2004 Murano
*1: Refer to
CVT-30, "Malfunction Indicator Lamp (MIL)"
.
DATA MONITOR MODE
Operation Procedure
1.
Perform “CONSULT-II SETTING PROCEDURE”. Refer to
CVT-61, "CONSULT-II SETTING PROCE-
2.
Touch “DATA MONITOR”.
NOTE:
When malfunction is detected, CONSULT-II performs
“REAL-TIME DIAGNOSIS”. Also, any malfunction detected
while in this mode will be displayed at real time.
ESTM VEH SPD SIG
●
CAN communication with the ABS actuator and the electric unit
(control unit) is malfunctioning.
●
There is a great difference between the vehicle speed signal from
the ABS actuator and the electric unit (control unit), and the vehicle
speed sensor signal.
P1722
—
CVT SPD SEN/
FNCTN
●
A rotation sensor error is detected because the gear does not
change in accordance with the position of the stepping motor.
CAUTION:
One of the secondary rotation, the primary rotation, or the
engine speed is displayed at the same time.
P1723
—
ELEC TH CONTROL
●
The electronically controlled throttle for ECM is malfunctioning.
P1726
—
LU-SLCT SOL/CIRC
●
Normal voltage not applied to solenoid due to cut line, short, or the
like
●
TCM detects as irregular by comparing target value with monitor
value.
P1740
P1740
L/PRESS CONTROL
●
TCM detects the unexpected line pressure.
P1745
—
STEP MOTR CIRC
●
Each coil of the step motor is not energized properly due to an open
or a short.
P1777
P1777
STEP MOTR/FNC
●
There is a great difference between the number of steps for the
stepping motor and for the actual gear ratio.
P1778
P1778
NO DTC IS
DETECTED: FUR-
THER TESTING MAY
BE REQUIRED
●
No NG item has been detected.
X
X
Items (CONSULT-II
screen terms)
Malfunction is detected when...
TCM self-diag-
nosis
OBD-II (DTC)
“TRANSMIS-
SION” with
CONSULT-II
MIL indicator
lamp*1,
“ENGINE” with
CONSULT-II or
GST
SCIA5492E
TROUBLE DIAGNOSIS
CVT-65
D
E
F
G
H
I
J
K
L
M
A
B
CVT
Revision: 2004 November
2004 Murano
Display Items List
X: Standard, —: Not applicable
Monitored item (Unit)
Monitor item selection
Remarks
ECU
INPUT
SIGNALS
MAIN SIG-
NALS
SELEC-
TION
FROM
MENU
VSP SENSOR (km/h)
X
—
X
Output speed sensor (secondary speed sensor).
ESTM VSP SIG (km/h)
X
—
X
PRI SPEED SEN (rpm)
X
—
X
ENG SPEED SIG (rpm)
X
—
X
SEC HYDR SEN (V)
X
—
X
PRI HYDR SEN (V)
X
—
X
ATF TEMP SEN (V)
X
—
X
CVT fluid temperature sensor
VIGN SEN (V)
X
—
X
VEHICLE SPEED (km/h)
—
X
X
Vehicle speed recognized by the TCM.
PRI SPEED (rpm)
—
X
X
Primary pulley speed.
SEC SPEED (rpm)
—
—
X
Secondary pulley speed.
ENG SPEED (rpm)
—
X
X
SLIP REV (rpm)
—
X
X
Difference between engine speed and primary
pulley speed
GEAR RATIO
—
X
X
G SPEED (G)
—
—
X
ACC PEDAL OPEN (0.0/8)
X
X
X
Degree of opening for accelerator recognized by
the TCM
For fail-safe operation, the specific value used
for control is displayed.
ENG TRQ ACT (N·m)
—
—
X
VENG TRQ (N·m)
—
X
X
PRI TRQ (N·m)
—
—
X
TRQ RTO
—
—
X
SEC PRESS (MPa)
—
X
X
PRI PRESS (MPa)
—
X
X
ATF TEMP
—
X
X
DSR REV (rpm)
—
—
X
DGEAR RATIO
—
—
X
DSTM STEP (step)
—
—
X
STM STEP (step)
—
X
X
LU PRS (MPa)
—
—
X
LINE PRS (MPa)
—
—
X
SEC PRS (MPa)
—
—
X
ISOLT1 (A)
—
X
X
Torque converter clutch solenoid valve output
current
ISOLT2 (A)
—
X
X
Pressure control solenoid valve A (line pressure
solenoid valve) output current
ISOLT3 (A)
—
X
X
Pressure control solenoid valve B (secondary
pressure solenoid valve) output current
SOLMON1 (A)
X
X
X
Torque converter clutch solenoid valve monitor
current
CVT-66
TROUBLE DIAGNOSIS
Revision: 2004 November
2004 Murano
SOLMON2 (A)
X
X
X
Pressure control solenoid valve A (line pressure
solenoid valve) monitor current
SOLMON3 (A)
X
X
X
Pressure control solenoid valve B (secondary
pressure solenoid valve) monitor current
INH SW3M (ON-OFF display)
X
—
X
PNP switch 3 ON-OFF status monitor
INH SW4 (ON-OFF display)
X
—
X
PNP switch 4 ON-OFF status
INH SW3 (ON-OFF display)
X
—
X
PNP switch 3 ON-OFF status
INH SW2 (ON-OFF display)
X
—
X
PNP switch 2 ON-OFF status
INH SW1 (ON-OFF display)
X
—
X
PNP switch 1 ON-OFF status
BRAKESW (ON-OFF display)
X
X
X
Stop lamp switch
FULL SW (ON-OFF display)
X
X
X
Signal input with CAN communications
IDLE SW (ON-OFF display)
X
X
X
SECOND POS SW (ON-OFF display)
X
X
X
STRDWNSW (ON-OFF display)
X
—
X
Not mounted but displayed.
STRUPSW (ON-OFF display)
X
—
X
DOWNLVR (ON-OFF display)
X
—
X
UPLVR (ON-OFF display)
X
—
X
NONMMODE (ON-OFF display)
X
—
X
MMODE (ON-OFF display)
X
—
X
INDLRNG (ON-OFF display)
—
—
X
“L” position indicator output
INDDRNG (ON-OFF display)
—
—
X
“D” position indicator output
INDNRNG (ON-OFF display)
—
—
X
“N” position indicator output
INDRRNG (ON-OFF display)
—
—
X
“R” position indicator output
INDPRNG (ON-OFF display)
—
—
X
“P” position indicator output
CVTLAMP (ON-OFF display)
—
—
X
SECOND POS IND (ON-OFF display)
—
—
X
MMODE IND (ON-OFF display)
—
—
X
SMCOIL D (ON-OFF display)
—
—
X
Step motor coil “D” energizing status
SMCOIL C (ON-OFF display)
—
—
X
Step motor coil “C” energizing status
SMCOIL B (ON-OFF display)
—
—
X
Step motor coil “B” energizing status
SMCOIL A (ON-OFF display)
—
—
X
Step motor coil “A” energizing status
LUSEL SOL OUT (ON-OFF display)
—
—
X
REV LAMP (ON-OFF display)
—
X
X
STRTR RLY OUT (ON-OFF display)
—
—
X
PNP relay
LU SEL SOL MON (ON-OFF display)
—
—
X
STRTR RLY MON (ON-OFF display)
—
—
X
PNP relay
VDC ON (ON-OFF display)
X
—
X
TCS ON (ON-OFF display)
X
—
X
ABS ON (ON-OFF display)
X
—
X
ACC ON (ON-OFF display)
X
—
X
Not mounted but displayed.
RANGE
—
X
X
Indicates position is recognized by TCM. Indi-
cates a specific value required for control when
fail-safe function is activated.
Monitored item (Unit)
Monitor item selection
Remarks
ECU
INPUT
SIGNALS
MAIN SIG-
NALS
SELEC-
TION
FROM
MENU
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