Nissan Maxima. Instruction — part 1165
TM-124
< ECU DIAGNOSIS INFORMATION >
[CVT: RE0F09B]
TCM
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.
Secondary Pressure Sensor
• If an unexpected signal is sent from the 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 secondary pressure sensor error signal is inputted to the TCM, secondary pressure feedback control
stops, but line pressure is controlled normally.
Line Pressure Solenoid Valve
If an unexpected signal is sent from the solenoid valve to the TCM, the line pressure solenoid valve is turned
OFF to achieve the maximum fluid pressure.
Secondary Pressure Solenoid Valve
If an unexpected signal is sent from the solenoid valve to the TCM, the 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.
Lock-up Select Solenoid Valve
If an unexpected signal is sent from the solenoid valve to the TCM, the 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:0000000010113946
If some DTCs are displayed at the same time, perform inspections one by one based on the following priority
chart.
NOTE:
If DTC “U0100/U1000/U1010/P1709” is indicated with other DTCs, start from a diagnosis for DTC
“U0100/U1000/U1010/P1709”. Refer to
(U1000),
(P1709).
DTC Index
INFOID:0000000010113947
NOTE:
If DTC “U0100/U1000/U1010/P1709” is indicated with other DTCs, start from a diagnosis for DTC
“U0100/U1000/U1010/P1709”. Refer to
(U1000),
(P1709).
Priority
Detected items (DTC)
1
• U0100
• U1000
• U1010
• P1709
2
Except above
DTC
*1
Items
(CONSULT screen terms)
Reference
“TRANSMISSION” with
CONSULT
MIL
*2
, “ENGINE” with CON-
SULT or GST
P0615
—
STARTER RELAY
P0703
—
BRAKE SWITCH B
TCM
TM-125
< ECU DIAGNOSIS INFORMATION >
[CVT: RE0F09B]
C
E
F
G
H
I
J
K
L
M
A
B
TM
N
O
P
• *1: These numbers are prescribed by SAE J2012.
• *2: Refer to
TM-36, "Diagnosis Description"
.
P0705
P0705
T/M RANGE SENSOR A
P0710
P0710
FLUID TEMP SENSOR A
P0715
P0715
INPUT SPEED SENSOR A
P0720
P0720
OUTPUT SPEED SENSOR
P0725
—
ENGINE SPEED
P0730
—
INCORRECT GR RATIO
P0740
P0740
TORQUE CONVERTER
P0744
P0744
TORQUE CONVERTER
P0745
P0745
PC SOLENOID A
P0746
P0746
PC SOLENOID A
P0776
P0776
PC SOLENOID B
P0778
P0778
PC SOLENOID B
P0826
—
UP/DOWN SHIFT SWITCH
P0840
P0840
FLUID PRESS SEN/SW A
P0841
—
FLUID PRESS SEN/SW A
P0845
P0845
FLUID PRESS SEN/SW B
P0868
—
FLUID PRESS LOW
P1701
—
TCM
P1705
—
TP SENSOR
P1709
—
INCOMPLETED DATA WRITING
P1722
—
VEHICLE SPEED
P1723
—
SPEED SENSOR
P1726
—
THROTTLE CONTROL SIG
P1740
P1740
SLCT SOLENOID
P1745
—
LINE PRESS CONTROL
P1777
P1777
STEP MOTOR
P1778
P1778
STEP MOTOR
U0100
U0100
LOST COMM (ECM A)
U1000
U1000
CAN COMM CIRCUIT
U1010
—
CONTROL UNIT (CAN)
DTC
*1
Items
(CONSULT screen terms)
Reference
“TRANSMISSION” with
CONSULT
MIL
*2
, “ENGINE” with CON-
SULT or GST
TM-126
< WIRING DIAGRAM >
[CVT: RE0F09B]
CVT CONTROL SYSTEM
WIRING DIAGRAM
CVT CONTROL SYSTEM
Wiring Diagram
INFOID:0000000009469171
ABDWA0704GB
CVT CONTROL SYSTEM
TM-127
< WIRING DIAGRAM >
[CVT: RE0F09B]
C
E
F
G
H
I
J
K
L
M
A
B
TM
N
O
P
ABDWA0705GB
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