Infiniti QX56 (Z62). Manual — part 1292
TCM
TM-77
< ECU DIAGNOSIS INFORMATION >
[7AT: RE7R01B]
C
E
F
G
H
I
J
K
L
M
A
B
TM
N
O
P
1ST ENGINE BRAKE PROTECTION CONTROL
Controls the engine brake so as not to make effective by turning the front brake solenoid output to OFF when
each solenoid becomes the electricity pattern of 1st engine brake during driving at the vehicle speed 25 km/h
or more in any positions other than “R” position and 1GR.
TCM HIGH TEMPERATURE PROTECTION CONTROL
Limit the accelerator opening and forcibly control the vehicle to the low torque driving when the electronic sub-
strate in TCM reaches the high temperature.
DTC Inspection Priority Chart
INFOID:0000000006226785
If some DTCs are displayed at the same time, perform inspections one by one based on the priority as per the
following list.
Malfunction detection condition
Vehicle speed: 10 km/h (7 MPH) or more
Control at malfunction
Neutral
Normal return condition
• Vehicle speed: 8 km/h (5 MPH) or less
and
• Engine speed: 2,200 rpm or less
Vehicle behavior
• The torque transmission cannot be performed
• There is a shock just before a vehicle stop
Malfunction detection condition
• Select lever and gear: Any position other than “R” position and 1GR
and
• Vehicle speed: More than 25 km/h (16 MPH)
Control at malfunction
Front brake solenoid output signal; OFF
Normal return condition
Other than detection condition of malfunction
Vehicle behavior
Does not exist
Malfunction detection condition
TCM electronic substrate temperature
• 145
°
C (293
°
F) and 120 seconds
or
• 150
°
C (302
°
F)
Control at malfunction
Accelerator opening: 0.5/8 or less
Normal return condition
• TCM electronic substrate temperature: Less than 140
°
C (284
°
F)
and
• Vehicle speed: 5 km/h (3 MPH) or less
Vehicle behavior
Accelerator opening: output torque of approximately 0.5/8
Priority
Detected items (DTC)
Reference
1
U1000 CAN COMM CIRCUIT
TM-78
< ECU DIAGNOSIS INFORMATION >
[7AT: RE7R01B]
TCM
DTC Index
INFOID:0000000006226786
NOTE:
• If some DTCs are displayed at the same time, perform inspections one by one based on the priority as per
the following list. Refer to
TM-77, "DTC Inspection Priority Chart"
.
• The IGN counter is indicated in Freeze frame data (FFD). Refer to
TM-61, "CONSULT-III Function (TRANS-
.
2
P0615 STARTER RELAY
P0705 T/M RANGE SWITCH A
P0710 FLUID TEMP SENSOR A
P0717 INPUT SPEED SENSOR A
P0720 OUTPUT SPEED SENSOR
P0740 TORQUE CONVERTER
P0745 PC SOLENOID A
P0750 SHIFT SOLENOID A
P0775 PC SOLENOID B
P0795 PC SOLENOID C
P2713 PC SOLENOID D
P2722 PC SOLENOID E
P2731 PC SOLENOID F
P2807 PC SOLENOID G
3
P0729 6GR INCORRECT RATIO
P0730 INCORRECT GR RATIO
P0731 1GR INCORRECT RATIO
P0732 2GR INCORRECT RATIO
P0733 3GR INCORRECT RATIO
P0734 4GR INCORRECT RATIO
P0735 5GR INCORRECT RATIO
P0744 TORQUE CONVERTER
P0780 SHIFT
P1730 INTERLOCK
P1734 7GR INCORRECT RATIO
4
U0300 CAN COMM DATA
P0725 ENGINE SPEED
P1705 TP SENSOR
P1721 VEHICLE SPEED SIGNAL
P1815 M-MODE SWITCH
Priority
Detected items (DTC)
Reference
DTC
*1
Items
(CONSULT-III screen terms)
Reference
MIL
*2
, “ENGINE” with
CONSULT-III or GST
CONSULT-III only
“TRANSMISSION”
—
P0615
STARTER RELAY
P0705
P0705
T/M RANGE SWITCH A
P0710
P0710
FLUID TEMP SENSOR A
P0717
P0717
INPUT SPEED SENSOR A
P0720
P0720
OUTPUT SPEED SENSOR
TCM
TM-79
< ECU DIAGNOSIS INFORMATION >
[7AT: RE7R01B]
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-60, "Diagnosis Description"
—
P0725
ENGINE SPEED
P0729
P0729
6GR INCORRECT RATIO
P0730
P0730
INCORRECT GR RATIO
P0731
P0731
1GR INCORRECT RATIO
P0732
P0732
2GR INCORRECT RATIO
P0733
P0733
3GR INCORRECT RATIO
P0734
P0734
4GR INCORRECT RATIO
P0735
P0735
5GR INCORRECT RATIO
P0740
P0740
TORQUE CONVERTER
P0744
P0744
TORQUE CONVERTER
P0745
P0745
PC SOLENOID A
P0750
P0750
SHIFT SOLENOID A
P0775
P0775
PC SOLENOID B
P0780
P0780
SHIFT
P0795
P0795
PC SOLENOID C
—
P1705
TP SENSOR
—
P1721
VEHICLE SPEED SIGNAL
P1730
P1730
INTERLOCK
P1734
P1734
7GR INCORRECT RATIO
—
P1815
M-MODE SWITCH
P2713
P2713
PC SOLENOID D
P2722
P2722
PC SOLENOID E
P2731
P2731
PC SOLENOID F
P2807
P2807
PC SOLENOID G
—
U0300
CAN COMM DATA
U1000
U1000
CAN COMM CIRCUIT
DTC
*1
Items
(CONSULT-III screen terms)
Reference
MIL
*2
, “ENGINE” with
CONSULT-III or GST
CONSULT-III only
“TRANSMISSION”
TM-80
< WIRING DIAGRAM >
[7AT: RE7R01B]
A/T CONTROL SYSTEM
WIRING DIAGRAM
A/T CONTROL SYSTEM
Wiring Diagram
INFOID:0000000006226787
JCDWM1062GB
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