Infiniti QX56 (Z62). Manual — part 456
DLN-24
< ECU DIAGNOSIS INFORMATION >
[TRANSFER: ATX90A]
TRANSFER CONTROL UNIT
ECU DIAGNOSIS INFORMATION
TRANSFER CONTROL UNIT
Reference Value
INFOID:0000000006222227
VALUES ON THE DIAGNOSIS TOOL
Monitor item
Condition
Value/Status
4WD MODE
IGN ON
4WD is booting
BOTNG
4WD mode is switching
SWTNG
4WD mode: 4L
4L
4WD mode: 4H
4H
4WD mode: AUTO
AUTO
2WD SWITCH
*1
Always
OFF
AUTO SWITCH
4WD shift switch: AUTO
ON
4WD shift switch: 4H or 4L
OFF
4H SWITCH
4WD shift switch: 4H
ON
4WD shift switch: AUTO or 4L
OFF
4L SWITCH
4WD shift switch: 4L
ON
4WD shift switch: AUTO or 4H
OFF
T/M RANGE
A/T shift selector: D
D
A/T shift selector: N
N
A/T shift selector: R
R
A/T shift selector: P
P
N RANGE SW
A/T shift selector: N
ON
A/T shift selector: Except N
OFF
R RANGE SW
A/T shift selector: R
ON
A/T shift selector: Except R
OFF
IGN SW
IGN SW: ON
ON
IGN SW: OFF
OFF
TCS OPER SW
TCS is operating
ON
TCS is not operating
OFF
VDC OPER SW
VDC is operating
ON
VDC is not operating
OFF
ABS OPER SW
ABS is operating
ON
ABS is not operating
OFF
SAND MODE IND
*2
Always
OFF
ROCK MODE IND
*2
Always
OFF
SNOW MODE IND
*2
Always
OFF
ONROAD MODE IND
*2
Always
ON
SAND MODE SW
*3
Always
OFF
ROCK MODE SW
*3
Always
OFF
SNOW MODE SW
*3
Always
OFF
ONROAD MODE SW
*3
Always
ON
TRANSFER CONTROL UNIT
DLN-25
< ECU DIAGNOSIS INFORMATION >
[TRANSFER: ATX90A]
C
E
F
G
H
I
J
K
L
M
A
B
DLN
N
O
P
HI-LO POSI SEN 3
4WD mode: AUTO or 4H
ON
4WD mode: Shifting
OFF
4WD mode: 4L
OFF
HI-LO POSI SEN 1
4WD mode: AUTO or 4H
ON
4WD mode: Shifting
ON
4WD mode: 4L
OFF
LOCK POSI SEN
When lock sleeve is opening
OPEN
When lock sleeve locking
LOCK
When transfer lock position sensor signal circuit is short. (Battery
short)
BAT
When transfer lock position sensor is unlearned.
UNLEAN
When the temperature of transfer lock position sensor is high.
HI TMP
When transfer lock position sensor is malfunctioning.
ERROR
When transfer lock position sensor signal circuit is short. (Ground
short)
GND
ATP IND
ATP lamp: ON
ON
ATP lamp: OFF
OFF
4WD FAIL LAMP
4WD warning lamp: ON
ON
4WD warning lamp: OFF
OFF
4WD MODE IND
4WD shift switch: AUTO
AUTO
4WD shift switch: 4H
LOCK
4WD shift switch: 4L
4L
MOTOR DRIVE B
When transfer motor is driving in reversal. (100% duty controlled)
HI
When transfer motor is driving or stopping.
LO
When transfer motor is driving in reversal. (PWM output)
PWM
MOTOR DRIVE A
When transfer motor is driving. (100% duty controlled)
HI
When transfer motor is driving in reversal or stopping.
LO
When transfer motor is driving. (PWM output)
PWM
FLUID TEMP SE
The temperature of transfer fluid is 20 – 80
°
C.
Approx. 1.1 – 0.3 V
MOTOR TEMP
The temperature of transfer motor is 20 – 80
°
C.
Approx. 1.1 – 0.3 V
C/U POWER SUP
Always
Battery voltage
MOTOR POWER SUP
Always
Battery voltage
ROTARY POSI SEN
4WD mode: AUTO
A/T shift selector: D
Depress the accelerator pedal several
times.
Value is changing
THRTL POS SEN
When depressing accelerator pedal
(Value rises gradually in response to throttle position)
0 – 100 %
AT R SPEED
Vehicle stopped
0.00 km/h (0.00 mph)
Vehicle driving (4WD mode: AUTO)
CAUTION:
Check air pressure of tire under standard condition.
Approx. equal to the indication
on speedometer (inside of
±
10
%)
T/M GEAR
A/T shift selector: D
Vehicle driving
1
2
3
4
5
6
7
Monitor item
Condition
Value/Status
DLN-26
< ECU DIAGNOSIS INFORMATION >
[TRANSFER: ATX90A]
TRANSFER CONTROL UNIT
*1: 4WD shift swich (2WD) is not equipped, but it is displayed.
*2: This indicator is not equipped, but it is displayed.
*3: This switch is not equipped, but it is displayed.
TERMINAL LAYOUT
PHYSICAL VALUES
COMPR VHCL SPEED
Vehicle stopped
0.00 km/h (0.00 mph)
Vehicle driving
CAUTION:
Check air pressure of tire under standard condition.
Approx. equal to the indication
on speedometer (inside of
±
10
%)
VHCL/S SEN-FR
Vehicle stopped
0.00 km/h (0.00 mph)
Vehicle driving
CAUTION:
Check air pressure of tire under standard condition.
Approx. equal to the indication
on speedometer (inside of
±
10
%)
VHCL/S SEN-RR
Vehicle stopped
0.00 km/h
Vehicle driving
CAUTION:
Check air pressure of tire under standard condition.
Approx. equal to the indication
on speedometer (inside of
±
10
%)
ENGINE SPEED
Engine running
Approx. equal to the indication
on tachometer (inside of
±
10 %)
INTRNL SPEED SEN
4WD mode: AUTO
A/T shift selector: D
Depress the accelerator pedal several
times.
Value is changing
TRANSFER TORQUE
4WD shift switch: AUTO
0 - 2250 N·m
4WD shift switch: 4H
0 - 2250 N·m
4WD shift switch: 4L
0 Nm
UNIT PARAMETER
Always
A1 - A9
B1 - B9
C1 - C9
D1 - D9
E1 - E9
F1 - F9
G1 - G9
H1 - H9
J1 - J9
Monitor item
Condition
Value/Status
JPDIE0229ZZ
Terminal No.
(Wire color)
Description
Condition
Value (Approx.)
+
-
Signal name
Input/
Output
6
(BR)
Ground
Hi-Lo position sensor 1
Input/
Output
Engine run-
ning
(Never
drive the
vehicle.)
4WD mode: AUTO or 4H
0 V
4WD mode: Shifting
0 V
4WD mode: 4L
5 V
TRANSFER CONTROL UNIT
DLN-27
< ECU DIAGNOSIS INFORMATION >
[TRANSFER: ATX90A]
C
E
F
G
H
I
J
K
L
M
A
B
DLN
N
O
P
7
(Y)
Ground
Transfer fluid tempera-
ture sensor power supply
Input
Engine running
0 – 5V
9
(G)
Ground
Transfer internal speed
sensor (GND)
—
Always
0 V
10
(Y/G)
Ground
Transfer internal speed
sensor (IMP)
Input
IGN ON
Transfer motor driving
11
(V)
Ground
4WD shift SW (4Lo)
Input
IGN ON
4WD shift switch: 4L
Battery voltage
4WD shift switch: Except
4L
0 V
12
(L)
—
CAN-H
Input/
Output
—
—
13
(P)
—
CAN-L
Input/
Output
—
—
14
(W/R)
Ground
4WD shift SW (AUTO)
Input
IGN ON
4WD shift switch: AUTO
Battery voltage
4WD shift switch: Except
AUTO
0 V
15
(P/B)
Ground
Transfer rotary position
sensor (PWM)
Input
IGN ON
16
(LG)
Ground
Transfer rotary position
sensor (GND)
—
Always
0 V
17
(W/L)
Ground
Transfer lock position
sensor power supply
Input
IGN ON
5V
10 seconds or more later after ignition
switch turned OFF
0V
18
(BR/Y)
Ground
Transfer rotary position
sensor power supply
Input
IGN ON
5V
10 seconds or more later after ignition
switch turned OFF
0V
20
(GR)
Ground
Transfer control unit pow-
er supply
Input
Always
Battery voltage
25
(P/L)
Ground
Hi-Lo position sensor 3
Input/
Output
Engine
running
(Never
drive the
vehicle.)
4WD mode: AUTO or 4H
0 V
4WD mode: Shifting
5 V
4WD mode: 4L
5 V
28
(W)
Ground
Transfer motor tempera-
ture sensor power supply
Input
IGN ON
0 – 5V
IGN OFF
0V
Terminal No.
(Wire color)
Description
Condition
Value (Approx.)
+
-
Signal name
Input/
Output
JPDIE0267GB
JPDIE0268GB
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