Nissan Titan. Manual — part 121
DLN-56
< ECU DIAGNOSIS INFORMATION >
[TRANSFER: TX15B]
TRANSFER CONTROL UNIT
ECU DIAGNOSIS INFORMATION
TRANSFER CONTROL UNIT
Reference Value
INFOID:0000000009886006
VALUE ON THE DIAGNOSIS TOOL
CONSULT data monitor item
Monitored item [Unit]
Content
Condition
Display value
VHCL/S SEN·FR [km/h]
or [mph]
Wheel speed (Front wheel)
Vehicle stopped
0 km/h (0 mph)
Vehicle running
CAUTION:
Check air pressure of tire under standard condi-
tion.
Approximately
equal to the indica-
tion on speedome-
ter (Inside of
±10%)
VHCL/S SEN·RR [km/h]
or [mph]
Wheel speed (Rear wheel)
Vehicle stopped
0 km/h (0 mph)
Vehicle running
CAUTION:
Check air pressure of tire under standard condi-
tion.
Approximately
equal to the indica-
tion on speedome-
ter (Inside of
±10%)
ENGINE SPEED [rpm]
Engine speed
Engine stopped
(Engine speed: Less than 400 rpm)
0 rpm
Engine running
(Engine speed: 400 rpm or more)
Approximately
equal to the indica-
tion on tachometer
BATTERY VOLT [V]
Power supply voltage for
transfer control unit
Ignition switch: ON
Battery voltage
2WD SWITCH [On/Off]
Input condition from 4WD
shift switch
4WD shift switch: 2WD
On
4WD shift switch: 4H and 4LO
Off
4H SWITCH [On/Off]
Input condition from 4WD
shift switch
4WD shift switch: 4H
On
4WD shift switch: 2WD and 4LO
Off
4L SWITCH [On/Off]
Input condition from 4WD
shift switch
4WD shift switch: 4LO
On
4WD shift switch: 2WD and 4H
Off
4L POSI SW [On/Off]
Condition of 4LO switch
• Vehicle stopped
• Engine running
• A/T selector lever N po-
sition
• Brake pedal depressed
4WD shift switch: 4LO
On
Except the above
Off
ATP SWITCH [On/Off]
Condition of ATP switch
• Vehicle stopped
• Engine running
• A/T selector lever N po-
sition
• Brake pedal depressed
4WD shift switch
: 4H to 4LO or 4LO to 4H
(While actuator motor is
operating.)
On
Except the above
Off
WAIT DETCT SW [On/
Off]
Condition of wait detection
switch
• Vehicle stopped
• Engine running
• A/T selector lever N po-
sition
• Brake pedal depressed
4WD shift switch
: 4H and 4LO
On
4WD shift switch: 2WD
Off
4WD MODE [2H/4H/4L]
Control status of 4WD
(Output condition of 4WD
shift indicator lamp and
4LO indicator lamp)
4WD shift switch
(Engine running)
2WD
2H
4H
4H
4LO
4L
TRANSFER CONTROL UNIT
DLN-57
< ECU DIAGNOSIS INFORMATION >
[TRANSFER: TX15B]
C
E
F
G
H
I
J
K
L
M
A
B
DLN
N
O
P
PHYSICAL VALUES
VHCL/S COMP [km/h] or
[mph]
Vehicle speed
Vehicle stopped
0 km/h (0 mph)
Vehicle running
CAUTION:
Check air pressure of tire under standard condi-
tion.
Approximately
equal to the indica-
tion on speedome-
ter (Inside of
±10%)
SHIFT ACT 1 [On/Off]
Output condition to actua-
tor motor (clockwise)
• Vehicle stopped
• Engine running
• A/T selector lever N po-
sition
• Brake pedal depressed
4WD shift switch
: 2WD to 4H or 4H to 4LO
or 2WD to 4LO
On
Except the above
Off
SHIFT AC MON1 [On/
Off]
Check signal for transfer
control unit signal output
• Vehicle stopped
• Engine running
• A/T selector lever N po-
sition
• Brake pedal depressed
4WD shift switch
: 2WD to 4H or 4H to 4LO
or 2WD to 4LO
On
Except the above
Off
SHIFT ACT 2 [On/Off]
Output condition to actua-
tor motor (counterclock-
wise)
• Vehicle stopped
• Engine running
• A/T selector lever N po-
sition
• Brake pedal depressed
4WD shift switch
: 4LO to 4H or 4H to 2WD
or 4LO to 2WD
On
Except the above
Off
SHIFT AC MON2 [On/
Off]
Check signal for transfer
control unit signal output
• Vehicle stopped
• Engine running
• A/T selector lever N po-
sition
• Brake pedal depressed
4WD shift switch
: 4LO to 4H or 4H to 2WD
or 4LO to 2WD
On
Except the above
Off
SHIFT ACT/R MON [On/
Off]
Operating condition of ac-
tuator motor relay (integrat-
ed in transfer control unit)
• Vehicle stopped
• Engine running
• A/T selector lever N po-
sition
• Brake pedal depressed
When 4WD shift switch is
operated
On
When 4WD shift switch is
not operated
Off
SHIFT POS SW1 [On/
Off]
Condition of actuator posi-
tion switch 1
• Vehicle stopped
• Engine running
• A/T selector lever N po-
sition
• Brake pedal depressed
4WD shift switch: 2WD
and 4LO
On
4WD shift switch: 4H
Off
SHIFT POS SW2 [On/
Off]
Condition of actuator posi-
tion switch 2
4WD shift switch: 4LO
On
4WD shift switch: 2WD
and 4H
Off
SHIFT POS SW3 [On/
Off]
Condition of actuator posi-
tion switch 3
4WD shift switch: 2WD
and 4H
On
4WD shift switch: 4LO
Off
SHIFT POS SW4 [On/
Off]
Condition of actuator posi-
tion switch 4
4WD shift switch: 4H and
4LO
On
4WD shift switch: 2WD
Off
4WD FAIL LAMP [On/
Off]
4WD warning lamp condi-
tion
4WD warning lamp: ON
On
4WD warning lamp: OFF
Off
2WD IND [On/Off]
Rear indicator of 4WD shift
indicator lamp condition
Rear indicator of 4WD shift indicator lamp: ON
On
Rear indicator of 4WD shift indicator lamp: OFF
Off
4H IND [On/Off]
Front and center indicator
of 4WD shift indicator lamp
condition
Front and center indicator of 4WD shift indicator lamp
: ON
On
Front and center indicator of 4WD shift indicator lamp
: OFF
Off
4L IND [On/Off]
4LO indicator lamp condi-
tion
4LO indicator lamp: ON
On
4LO indicator lamp: OFF
Off
Monitored item [Unit]
Content
Condition
Display value
DLN-58
< ECU DIAGNOSIS INFORMATION >
[TRANSFER: TX15B]
TRANSFER CONTROL UNIT
Terminal Layout
WDIA0140E
Terminal
Wire
color
Item
Condition
Data (Approx.)
1
L
CAN-H
–
–
2
P
CAN-L
–
–
3
L
K-LINE (CONSULT signal)
–
–
6
B
Ground
Always
0V
10
LG/B
Actuator position switch 1
• Vehicle stopped
• Engine running
• A/T selector le-
ver N position
• Brake pedal de-
pressed
4WD shift switch: 2WD and 4LO
0V
4WD shift switch: 4H
Battery voltage
11
W/L
Actuator position switch 2
4WD shift switch: 4LO
0V
4WD shift switch: 2WD and 4H
Battery voltage
12
BR
Actuator position switch 3
4WD shift switch: 2WD and 4H
0V
4WD shift switch: 4LO
Battery voltage
13
BR/W Actuator position switch 4
4WD shift switch: 4H and 4LO
0V
4WD shift switch: 2WD
Battery voltage
14
G/W
4WD shift switch (2WD)
Ignition switch: ON
4WD shift switch: 2WD
Battery voltage
4WD shift switch: 4H and 4LO
0V
15
O
4WD shift switch (4H)
4WD shift switch: 4H
Battery voltage
4WD shift switch: 2WD and 4LO
0V
16
R
4WD shift switch (4LO)
4WD shift switch: 4LO
Battery voltage
4WD shift switch: 2WD and 4H
0V
17
G/Y
Wait detection switch
• Vehicle stopped
• Engine running
• A/T selector le-
ver N position
• Brake pedal de-
pressed
4WD shift switch: 4H and 4LO
0V
4WD shift switch: 2WD
Battery voltage
18
B
Ground
Always
0V
19
W
Power supply
(Memory back-up)
Ignition switch: ON
Battery voltage
Ignition switch: OFF
Battery voltage
23
R/B
ATP switch
• Vehicle stopped
• Engine running
• A/T selector le-
ver N
• Brake pedal de-
pressed
4WD shift switch
: 4H to 4LO or 4LO to 4H
(While actuator motor is operating.)
0V
Except the above
Battery voltage
24
V
4LO switch
• Vehicle stopped
• Engine running
• A/T selector le-
ver N position
• Brake pedal de-
pressed
4WD shift switch: 4LO
0V
Except the above
Battery voltage
TRANSFER CONTROL UNIT
DLN-59
< ECU DIAGNOSIS INFORMATION >
[TRANSFER: TX15B]
C
E
F
G
H
I
J
K
L
M
A
B
DLN
N
O
P
CAUTION:
When using a circuit tester to measure voltage for inspection, be sure not to extend forcibly any connector terminals.
NOTE:
Data are reference value and are measured between each terminal and ground.
DTC Index
INFOID:0000000009886007
DTC CHART
25
L/W
Ignition switch monitor
Ignition switch: ON
Battery voltage
Ignition switch: OFF
0V
27
Y/R
Actuator motor power supply
Ignition switch: ON
Battery voltage
Ignition switch: OFF
(5 seconds after ignition switch is turned OFF)
0V
28
Y/W
Actuator motor (+)
• Vehicle stopped
• Engine running
• A/T selector le-
ver N position
• Brake pedal de-
pressed
When 4WD shift switch is operated (while
actuator motor is operating)
Battery voltage
→ 0V
When 4WD shift switch is not operated
0V
31
G/R
Actuator motor (-)
Always
0V
32
B
Ground
Always
0V
40
Y
Transfer shut off relay
Ignition switch: ON
0V
Ignition switch: OFF
(5 seconds after ignition switch is turned OFF)
Battery voltage
42
BR
Transfer shift high relay
• Vehicle stopped
• Engine running
• A/T selector le-
ver N position
• Brake pedal de-
pressed
4WD shift switch: 2WD to 4H or 4H to 4LO
or 2WD to 4LO
0V
Except the above
Battery voltage
44
Y/R
Power supply
Ignition switch: ON
Battery voltage
Ignition switch: OFF
(5 seconds after ignition switch is turned OFF)
0V
45
Y/R
Power supply
Ignition switch: ON
Battery voltage
Ignition switch: OFF
(5 seconds after ignition switch is turned OFF)
0V
47
Y/L
Transfer shift high relay moni-
tor
• Vehicle stopped
• Engine running
• A/T selector le-
ver N position
• Brake pedal de-
pressed
4WD shift switch: 2WD to 4H or 4H to 4LO
or 2WD to 4LO (while actuator motor is op-
erating)
Battery voltage
→ 0V
Except the above
0V
48
G/B
Transfer shift low relay moni-
tor
4WD shift switch: 4LO to 4H or 4H to 2WD
or 4LO to 2WD (while actuator motor is op-
erating)
Battery voltage
→ 0V
Except the above
0V
50
R
Transfer shift low relay
4WD shift switch: 4LO to 4H or 4H to 2WD
or 4LO to 2WD
0V
Except the above
Battery voltage
Terminal
Wire
color
Item
Condition
Data (Approx.)
DTC
CONSULT
Diagnostic item is detected when...
Reference
[P1801]
*INITIAL START*
Due to removal of battery which cuts off power supply to transfer control unit,
self-diagnosis memory function is suspended.
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст