Nissan Maxima. Manual — part 1164
TM-120
< ECU DIAGNOSIS INFORMATION >
[CVT: RE0F09B]
TCM
RANGE SW 2
Selector lever in “N” and “D” positions
On
Selector lever in “P” and “R” positions
Off
RANGE SW 1
Selector lever in “R”, “N” and “D” positions
On
Selector lever in “P” position
Off
BRAKESW
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
DOWNLVR
Selector lever: DOWN (
− side)
On
Other than the above
Off
UPLVR
Selector lever: UP (+ side)
On
Other than the above
Off
NONMMODE
Manual shift gate position
Off
Other than the above
On
MMODE
Manual shift gate position (neutral)
On
Other than the above
Off
STRDWNSW
*2
Pressed paddle shifter (shift-up)
On
Released paddle shifter
Off
STRUPSW
*2
Pressed paddle shifter (shift-down)
On
Released paddle shifter
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
MMODE IND
When manual mode
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” and “D” 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” and “D” positions
Off
STRTR RLY OUT
Selector lever in “P” and “N” positions
On
Selector lever in other positions
Off
Item name
Condition
Display value (Approx.)
TCM
TM-121
< ECU DIAGNOSIS INFORMATION >
[CVT: RE0F09B]
C
E
F
G
H
I
J
K
L
M
A
B
TM
N
O
P
*1 Means CVT fluid temperature. Actual oil temperature
°C (°F) cannot be checked unless a numeric value is converted. Refer to
152, "ATFTEMP COUNT Conversion Table"
.
*2: With paddle shifter
TERMINAL LAYOUT
PHYSICAL VALUES
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
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
M GEAR POS
During driving
1, 2, 3, 4, 5, 6
Item name
Condition
Display value (Approx.)
SCIA6679J
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
+
−
Signal name
Input/Output
1
(P/B)
Ground
Transmission range switch
2
Input
Ignition switch ON
Selector lever in “N” and “D” po-
sitions
0 V
Selector lever in other positions
10.0 V –
Battery
voltage
2
(P/L)
Ground
Transmission range switch
3
Input
Selector lever in “D” position
0 V
Selector lever in other positions
10.0 V –
Battery
voltage
3
(G/O)
Ground
Transmission range 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
Transmission range switch
3 (monitor)
Input
Selector lever in “D” position
0 V
Selector lever in other positions
10.0 V –
Battery
voltage
TM-122
< ECU DIAGNOSIS INFORMATION >
[CVT: RE0F09B]
TCM
5
(B)
Ground
Ground
Output
Always
0 V
6
(O)
Ground
K-LINE
Input/Output
—
—
7
(W)
Ground
Sensor ground
Output
Always
0 V
8
(G/W)
—
CLOCK (SEL2)
—
—
—
9
(L/R)
—
CHIP SELECT (SEL1)
—
—
—
10
(BR/R)
—
DATA I/O (SEL3)
—
—
—
11
(BR/W)
Ground
Transmission range 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
Primary pressure sensor
Input
“N” position idle
0.5 – 0.8
V
15
(V/W)
Ground
Secondary pressure sen-
sor
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”, “P” posi-
tions
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.*
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
Primary speed sensor
Input
When driving [“M
1
” position, 20 km/h (12 MPH)]
695 Hz
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
+
−
Signal name
Input/Output
TCM
TM-123
< ECU DIAGNOSIS INFORMATION >
[CVT: RE0F09B]
C
E
F
G
H
I
J
K
L
M
A
B
TM
N
O
P
*: A circuit tester cannot be used to test this item.
Fail-safe
INFOID:0000000010113945
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.
Secondary Speed Sensor
The shift pattern is changed in accordance with the throttle position when an unexpected signal is sent from
the secondary speed sensor to the TCM. The manual mode and “DS” mode are inhibited, and the transaxle is
put in “D”.
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 primary speed sensor to the TCM. The manual mode and “DS”
mode are inhibited, and the transaxle is put in “D”.
Transmission Range Switch
If an unexpected signal is sent from the transmission range switch to the TCM, the transaxle is put in “D”.
CVT Fluid Temperature Sensor
34
(LG/R)
Ground
Secondary speed sensor
Input
When driving [“D” position, 20 km/h (12 MPH)]
390 Hz
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” and “D”
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
Secondary pressure sole-
noid 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
Line pressure solenoid
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
(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
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