Infiniti QX4 (R50). Manual — part 568
SMT963D
12. Monitored data are displayed.
DATA MONITOR ITEMS
NBTF0012S04
q
: Standard
H
: Option
Item [Unit]
Monitor item
Remarks
ECU input
signals
Main sig-
nals
Item menu
selection
Revolution sensor-front [km/h (MPH)]
q
H
Revolution sensor installed on T/F
Revolution sensor-rear [km/h (MPH)]
q
H
Vehicle speed sensor·A/T
Engine speed [rpm]
q
H
Throttle position sensor [V]
q
H
Transfer fluid temperature sensor [V]
q
H
Battery voltage [V]
q
H
2WD switch [ON-OFF]
q
H
2WD switch of 4WD shift switch
AUTO switch [ON-OFF]
q
H
AUTO switch of 4WD shift switch
Lock switch [ON-OFF]
q
H
4H switch of 4WD shift switch
4L switch [ON-OFF]
q
H
4LO switch of 4WD shift switch
N position switch TF [ON-OFF]
q
H
N position switch of transfer
Line pressure switch [ON-OFF]
q
H
Line pressure switch
Clutch pressure switch [ON-OFF]
q
H
Clutch pressure switch
ATP switch [ON-OFF]
q
H
N position switch [ON-OFF]
q
H
“N” position on A/T PNP switch
R position switch [ON-OFF]
q
H
“R” position on A/T PNP switch
P position switch [ON-OFF]
q
H
“P” position on A/T PNP switch
Closed throttle position switch
[ON/OFF]
q
H
Idle contact of throttle position switch
ABS operation switch [ON-OFF]
q
H
ABS operation switch
Wait detection switch [ON-OFF]
q
H
Throttle opening
q
H
Throttle opening recognized by transfer control
unit
4WD-mode
q
H
4WD-mode recognized by transfer control unit
(2W, AUTO, 4H & 4LO)
Vehicle speed comp [km/h (MPH)]
q
H
Vehicle speed recognized by transfer control
unit
*Control torque [N·m (kg-m, ft-lb)]
q
H
Calculated torque recognized by transfer control
unit
ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
Trouble Diagnosis with CONSULT-II (Cont’d)
TF-34
Item [Unit]
Monitor item
Remarks
ECU input
signals
Main sig-
nals
Item menu
selection
Duty solenoid valve [%]
(Transfer 4WD solenoid valve)
q
H
2-4WD shift solenoid valve [ON-OFF]
q
H
Control signal outputs of transfer control unit
Transfer motor relay [ON-OFF]
q
H
Shift activating 1 [ON-OFF]
q
H
Shift activating 2 [ON-OFF]
q
H
2-4WD shift solenoid valve monitor
[ON-OFF]
H
Check signal (re-input signal) of transfer control
unit control signal output is displayed. If circuit
is shorted or open, ON/OFF state does not
change.
Transfer motor relay monitor [ON-OFF]
H
Shift activating monitor 1 [ON-OFF]
H
Shift activating monitor 2 [ON-OFF]
H
4WD fail lamp [ON-OFF]
q
H
Transfer control unit control signal output for
4WD warning lamp (left)
Shift position switch 1 [ON-OFF]
q
H
Shift position switch 2 [ON-OFF]
q
H
2WD indicator lamp [ON-OFF]
H
Transfer control unit control signal output for
4WD shift indicator lamp (rear)
AUTO indicator lamp [ON-OFF]
H
Transfer control unit control signal output for
4WD shift indicator lamp (front & rear)
LOCK indicator lamp [ON-OFF]
H
Transfer control unit control signal output for
4WD shift indicator lamp (center)
4LO indicator lamp [ON-OFF]
H
Transfer control unit control signal output for
4WD shift indicator lamp (right)
Offset at starting
H
Appears on monitor but does not function.
Clutch limit [N·m (kg-m, ft-lb)]
H
Clutch force release limit value set in WORK
SUPPORT
Voltage [V]
H
Value measured by voltage probe is displayed.
Frequency [Hz]
H
Value measured by pulse probe is displayed. If
measurement is impossible, “#” sign is dis-
played. “#” sign is also displayed at the final
data value until the measurement result is
obtained.
DUTY-HI
H
Duty cycle value for measurement probe is dis-
played.
DUTY-LOW
H
PLS WIDTH-HI
H
Measured pulse width of measurement probe is
displayed.
PLS WIDTH-LOW
H
*: This item is indicated as “COMP CL TORQ”.
GI
MA
EM
LC
EC
FE
AT
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
Trouble Diagnosis with CONSULT-II (Cont’d)
TF-35
REFERENCE VALUE IN DATA MONITOR MODE
NBTF0012S09
Indicated items
(Screen terms for CONSULT, “DATA
MONITOR” mode)
Display
Conditions
Throttle position sensor
(THRTL POS SEN)
Approx. 0.5 - 4.0V
Throttle valve fully closed to fully open
Transfer fluid temperature sensor
(FLUID TEMP SE)
Approx. 1.5 - 0.5V
Transfer fluid temperature approx. 20 - 80°C (68 -
176°F)
Closed throttle position switch
(CLOSED THL/SW)
ON
After engine warm-up, accelerator pedal is released.
OFF
After engine warm-up, accelerator pedal is depressed.
ABS operation switch
(ABS OPER SW)
OFF
ABS is not operating.
ON
ABS is operating.
ABS control operation
(ABS CONT OPER)
ON
ABS OPER SW is “ON”. Control operation is accom-
plished in combination with ABS.
OFF
ABS is not operating. When a message such as
“improper ABS operation signal” appears on the display
and ABS OPER SW is “ON”, control operation is not
accomplished in combination with ABS.
2WD position
(2WD SW)
ON
4WD shift switch is in “2WD”.
OFF
Except the above condition
Lock position
(LOCK SWITCH)
ON
4WD shift switch is in “4H”.
OFF
Except the above condition
Neutral-4LO switch
(N POSI SW TF)
ATP switch
(ATP SWITCH)
Wait detection switch
(WAIT DETCT SW)
4WD shift switch position
2WD, AUTO,
4H
(N)
4LO
ATP switch
OFF
ON
OFF
Neutral-4LO switch
OFF
ON
Wait detection switch
OFF
ON
See Note.
Note: When shifting from “4LO” to “2WD”, “AUTO”, “4H”, it turns ON when “Wait” function
is operating (and it turns OFF when “Wait” function is canceled).
Transfer motor relay
(MOTOR RELAY)
Throttle valve
4WD shift
switch
A/T selector
lever
Motor relay
Remarks
Fully closed
2WD
—
OFF
AUTO,
4LO
P, N
OFF
ON for approx. 2 sec. after
shifting to “P” and “N”
Others
ON
4H
P
OFF
ON for approx. 2 sec. after
shifting to “P”
Others
ON
Line pressure switch
(LINE PRES SW)
OFF
The vehicle has been left at room temperature for 5 min-
utes and more with ignition switch in “OFF” position.
ON
Ignition switch in “ON”, and 4WD shift switch in “AUTO”
or “4H” and A/T selector lever in “D”.
ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
Trouble Diagnosis with CONSULT-II (Cont’d)
TF-36
Indicated items
(Screen terms for CONSULT, “DATA
MONITOR” mode)
Display
Conditions
Clutch pressure switch
(CL PRES SW)
OFF
Ignition switch in “ON”, and 4WD shift switch in “2WD”.
(“Wait” function is not operating.)
ON
Ignition switch in “ON”, and 4WD shift switch in “AUTO”
or “4H” and A/T selector lever in “D”. (“Wait” function is
not operating.)
Control torque
(COMP CL TORQ)
0 kg-m
4WD shift switch
(“Wait” function is not oper-
ating.)
In “2WD” position
39 - 1,079 N·m
(4 - 110 kg-m, 29 - 796 ft-lb)
In “AUTO” position
1,079 N·m
(110 kg-m, 796 ft-lb)
In “4H” or “4LO” position
4WD solenoid
(DUTY SOLENOID)
4%
In “2WD” position
94 - 4%
In “AUTO” position
4%
In “4H” or “4LO” position
2-4WD shift solenoid valve
(2-4WD SOL)
OFF
4WD shift switch
In “2WD” position
ON (“Wait” function is not oper-
ating.)
In “AUTO” position
OFF (“Wait” function is operat-
ing.)
ON (“Wait” function is not oper-
ating.)
In “4H” position
OFF (“Wait” function is operat-
ing.)
ON
In “4LO” position
Indicated items
Display
Conditions
Battery voltage
Approx. 12V
Key switch “ON” and engine at rest
Approx. 13 - 14V
During idling
AUTO switch
OFF
4WD shift switch in other than “AUTO” position
ON
4WD shift switch in “AUTO” position
4L switch
OFF
4WD shift switch in other than “4LO” position
ON
4WD shift switch in “4LO” position
N position switch
OFF
A/T selector lever in other than “N” position
ON
A/T selector lever in “N” position
R position swtich
OFF
A/T selector lever in other than “R” position
ON
A/T selector lever in “R” position
P position switch
OFF
A/T selector lever in other than “P” position
ON
A/T selector lever in “P” position
Throttle opening
0.0/8 - 8.0/8
Throttle fully closed (0.0/8) or throttle fully open (8.0/8)
GI
MA
EM
LC
EC
FE
AT
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
Trouble Diagnosis with CONSULT-II (Cont’d)
TF-37
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