Nissan Pathfinder (2007 year). Manual — part 403
TROUBLE DIAGNOSIS FOR SYSTEM
TF-105
[ATX14B]
C
E
F
G
H
I
J
K
L
M
A
B
TF
2007 Pathfinder
3.
CHECK TRANSFER FLUID TEMPERATURE SENSOR
1.
Turn ignition switch “OFF”. (Stay for at least 5 seconds.)
2.
Disconnect transfer terminal cord assembly harness connector.
3.
Check resistance between transfer terminal cord assembly ter-
minals 2 and 3.
OK or NG
OK
>> GO TO 4.
NG
>> Replace transfer fluid temperature sensor. Refer to
146, "Disassembly and Assembly"
4.
CHECK TRANSFER CONTROL UNIT
Check transfer control unit input/output signal. Refer to
TF-37, "Transfer Control Unit Input/Output Signal Ref-
.
OK or NG
OK
>> GO TO 5.
NG
>> Check transfer control unit pin terminals for damage or loose connection with harness connector.
If any items are damaged, repair or replace damaged parts.
5.
CHECK DTC
Perform the self-diagnosis, after driving a vehicle for a while.
OK or NG
OK
>> Inspection End.
NG
>> Replace transfer control unit. Refer to
TF-132, "Removal and Installation"
COMPONENT INSPECTION
1.
Turn ignition switch “OFF”. (Stay for at least 5 seconds.)
2.
Disconnect transfer terminal cord assembly harness connector.
3.
Check resistance between transfer terminal cord assembly ter-
minals 2 and 3.
4.
If NG, replace the transfer fluid temperature sensor. Refer to
24, "Location of Electrical Parts"
.
Temperature
°
C (
°
F)
Resistance (Approx.)
20 (68)
2.5 k
Ω
80 (176)
0.3 k
Ω
SDIA3276E
Temperature
°
C (
°
F)
Resistance (Approx.)
20 (68)
2.5 k
Ω
80 (176)
0.3 k
Ω
SDIA3276E
TF-106
[ATX14B]
TROUBLE DIAGNOSIS FOR SYSTEM
2007 Pathfinder
Clutch Pressure Switch
EDS0036U
CONSULT-II REFERENCE VALUE IN DATA MONITOR MODE
Data are reference value.
TRANSFER CONTROL UNIT TERMINALS AND REFERENCE VALUE
Data are reference value and are measured between each terminal and ground.
CAUTION:
When using a circuit tester to measure voltage for inspection, be sure not to extend forcibly any connector terminals.
Monitored item [Unit]
Content
Condition
Display value
CL PRES SW [ON /
OFF]
Condition of clutch pres-
sure switch
●
Vehicle stopped
●
Engine running
●
A/T selector lever “D” position
●
4WD shift switch: AUTO or 4H (“Wait” function is not
operating.)
ON
●
Vehicle stopped
●
Engine running
●
4WD shift switch: 2WD (“Wait” function is not oper-
ating.)
OFF
Terminal
Wire
color
Item
Condition
Data (Approx.)
34
BR
Clutch pressure switch
●
Vehicle stopped
●
Engine running
●
A/T selector
lever “D” position
4WD shift switch: AUTO or 4H (“Wait”
function is not operating.)
0V
●
Vehicle stopped
●
Engine running
4WD shift switch: 2WD (“Wait” function is
not operating.)
Battery voltage
TROUBLE DIAGNOSIS FOR SYSTEM
TF-107
[ATX14B]
C
E
F
G
H
I
J
K
L
M
A
B
TF
2007 Pathfinder
DIAGNOSTIC PROCEDURE
1.
CHECK CLUTCH PRESSURE SWITCH SIGNAL
With CONSULT-II
1.
Start engine.
2.
Select “DATA MONITOR” mode for “ALL MODE AWD/4WD” with CONSULT-II.
3.
Read out ON/OFF switching action of the “CL PRES SW” while
operating 4WD shift switch.
Without CONSULT-II
1.
Start engine.
2.
Check voltage between transfer control unit harness connector
terminals and ground.
OK or NG
OK
>> GO TO 5.
NG
>> GO TO 2.
2.
CHECK HARNESS BETWEEN TRANSFER CONTROL UNIT AND CLUTCH PRESSURE SWITCH
1.
Turn ignition switch “OFF”. (Stay for at least 5 seconds.)
2.
Disconnect transfer control unit harness connector and the transfer terminal cord assembly harness con-
nector.
3.
Check continuity between transfer control unit harness connec-
tor M153 terminal 34 and transfer terminal cord assembly har-
ness connector F56 terminal 7.
OK or NG
OK
>> GO TO 3.
NG
>> Repair or replace damaged parts.
Condition
Display value
●
Ignition switch: ON
●
A/T selector lever “D”
position
4WD shift switch: AUTO or 4H
(“Wait” function is not operating.)
ON
Ignition switch: ON
4WD shift switch: 2WD (“Wait”
function is not operating.)
OFF
Connector
Terminal
Condition
Voltage
(Approx.)
M153
34 -
Ground
●
Ignition switch: ON
●
A/T selector lever
“D” position
4WD shift switch:
AUTO or 4H
(“Wait” function is
not operating.)
0V
Ignition switch: ON
4WD shift switch:
2WD (“Wait” func-
tion is not operat-
ing.)
Battery
voltage
WDIA0141E
SDIA2746E
Continuity should exist.
SDIA2747E
TF-108
[ATX14B]
TROUBLE DIAGNOSIS FOR SYSTEM
2007 Pathfinder
3.
CHECK TRANSFER CONTROL UNIT
Check transfer control unit input/output signal. Refer to
TF-37, "Transfer Control Unit Input/Output Signal Ref-
OK or NG
OK
>> GO TO 4.
NG
>> Check transfer control unit pin terminals for damage or loose connection with harness connector.
If any items are damaged, repair or replace damaged parts.
4.
CHECK CLUTCH PRESSURE SWITCH
1.
Turn ignition switch “OFF”. (Stay for at least 5 seconds.)
2.
Remove clutch pressure switch. Refer to
TF-24, "Location of Electrical Parts"
3.
Push and release clutch pressure switch and check continuity
between transfer terminal cord assembly terminal 7 and ground.
OK or NG
OK
>> GO TO 5.
NG
>> Replace clutch pressure switch. Refer to
TF-24, "Location of Electrical Parts"
5.
CHECK DTC
Perform the self-diagnosis, after driving a vehicle for a while.
OK or NG
OK
>> GO TO 6.
NG
>> Replace transfer control unit. Refer to
TF-132, "TRANSFER CONTROL UNIT"
6.
CRUISE TEST
Perform cruise test. Refet to
OK or NG
OK
>> Inspection End.
NG
>> Perform the applicable trouble diagnosis.
COMPONENT INSPECTION
1.
Turn ignition switch “OFF”. (Stay for at least 5 seconds.)
2.
Remove clutch pressure switch. Refer to
TF-24, "Location of Electrical Parts"
3.
Push and release clutch pressure switch and check continuity
between transfer terminal cord assembly terminal 7 and ground.
Terminal
Condition
Continuity
7 - Ground
Push clutch pres-
sure switch
Yes
Release clutch pres-
sure switch
No
WDIA0171E
Terminal
Condition
Continuity
7 - Ground
Push clutch pres-
sure switch
Yes
Release clutch pres-
sure switch
No
WDIA0171E
TROUBLE DIAGNOSIS FOR SYSTEM
TF-109
[ATX14B]
C
E
F
G
H
I
J
K
L
M
A
B
TF
2007 Pathfinder
4.
If NG, replace the clutch pressure switch. Refer to
TF-24, "Location of Electrical Parts"
Line Pressure Switch
EDS0036V
CONSULT-II REFERENCE VALUE IN DATA MONITOR MODE
Data are reference value.
TRANSFER CONTROL UNIT TERMINALS AND REFERENCE VALUE
Data are reference value and are measured between each terminal and ground.
CAUTION:
When using a circuit tester to measure voltage for inspection, be sure not to extend forcibly any connector terminals.
Monitored item [Unit]
Content
Condition
Display value
LINE PRES SW [ON/
OFF]
Condition of line pressure
switch
●
A/T selector lever “D” position
●
4WD shift switch: AUTO
ON
●
Except the above
●
The vehicle has been
left at room tempera-
ture for 5 minutes and
more with ignition
switch in “OFF” posi-
tion.
●
Ignition switch: ON
●
A/T selector lever: “P”
or "N" position
●
4WD shift switch: Other
than AUTO
OFF
Terminal
Wire
color
Item
Condition
Data (Approx.)
35
L
Line pressure switch
●
Ignition switch:
ON
●
A/T selector
lever “D” position
4WD shift switch: AUTO
0V
●
Except the
above
●
The vehicle has
been left at room
temperature for
5 minutes and
more with igni-
tion switch in
“OFF” position.
●
Ignition switch: ON
●
A/T selector lever: “P” or "N" position
●
4WD shift switch: Other than AUTO
Battery voltage
TF-110
[ATX14B]
TROUBLE DIAGNOSIS FOR SYSTEM
2007 Pathfinder
DIAGNOSTIC PROCEDURE
1.
CHECK LINE PRESSURE SWITCH SIGNAL
With CONSULT-II
1.
Start engine.
2.
Select “DATA MONITOR” mode for “ALL MODE AWD/4WD” with CONSULT-II.
3.
Read out ON/OFF switching action of “LINE PRES SW” while
operating 4WD shift switch.
Without CONSULT-II
1.
Start engine.
2.
Check voltage between transfer control unit harness connector
terminals and ground.
OK or NG
OK
>> GO TO 5.
NG
>> GO TO 2.
2.
CHECK HARNESS BETWEEN TRANSFER CONTROL UNIT AND LINE PRESSURE SWITCH
1.
Turn ignition switch “OFF”. (Stay for at least 5 seconds.)
2.
Disconnect transfer control unit harness connector and the transfer terminal cord assembly harness con-
nector.
3.
Check continuity between transfer control unit harness connec-
tor M153 terminal 35 and transfer terminal cord assembly har-
ness connector F56 terminal 1.
4.
Also check harness for short to ground and short to power.
OK or NG
OK
>> GO TO 3.
NG
>> Repair or replace damaged parts.
Condition
Display value
●
A/T selector lever “D” position
●
4WD shift switch: AUTO
ON
●
Except the above
●
The vehicle has been left
at room temperature for 5
minutes and more with
ignition switch in “OFF”
position.
●
Ignition switch: ON
●
A/T selector lever: “P” or "N"
position
●
4WD shift switch: Other than
AUTO
OFF
Connector
Terminal
Condition
Voltage
(Approx.)
M153
35 -
Ground
●
A/T selector lever
“D” position
4WD shift switch:
AUTO
0V
●
Except the above
●
The vehicle has
been left at room
temperature for 5
minutes and more
with ignition switch
in “OFF” position.
●
Ignition switch:
ON
●
A/T selector
lever: “P” or "N"
position
●
4WD shift
switch: Other
than AUTO
Battery
voltage
WDIA0142E
SDIA2751E
Continuity should exist.
SDIA2752E
TROUBLE DIAGNOSIS FOR SYSTEM
TF-111
[ATX14B]
C
E
F
G
H
I
J
K
L
M
A
B
TF
2007 Pathfinder
3.
CHECK TRANSFER CONTROL UNIT
Check transfer control unit input/output signal. Refer to
TF-37, "Transfer Control Unit Input/Output Signal Ref-
.
OK or NG
OK
>> GO TO 4.
NG
>> Check transfer control unit pin terminals for damage or loose connection with harness connector.
If any items are damaged, repair or replace damaged parts.
4.
CHECK LINE PRESSURE SWITCH
1.
Turn ignition switch “OFF”. (Stay for at least 5 seconds.)
2.
Remove line pressure switch. Refer to
TF-24, "Location of Electrical Parts"
3.
Push and release line pressure switch and check continuity
between transfer terminal cord assembly terminal 1 and ground.
OK or NG
OK
>> GO TO 5.
NG
>> Replace line pressure switch. Refer to
5.
CHECK DTC
Perform the self-diagnosis, after driving a vehicle for a while.
OK or NG
OK
>> GO TO 6.
NG
>> Replace transfer control unit. Refer to
TF-132, "Removal and Installation"
.
6.
CRUISE TEST
Perform cruise test. Refet to
.
OK or NG
OK
>> Inspection End.
NG
>> Perform the applicable trouble diagnosis.
COMPONENT INSPECTION
1.
Turn ignition switch “OFF”. (Stay for at least 5 seconds.)
2.
Remove line pressure switch. Refer to
TF-24, "Location of Electrical Parts"
3.
Push and release line pressure switch and check continuity
between transfer terminal cord assembly terminal and ground.
4.
If NG, replace the clutch pressure switch.
Terminal
Condition
Continuity
1 - Ground
Push line pressure
switch
Yes
Release line pres-
sure switch
No
WDIA0172E
Terminal
Condition
Continuity
1 - Ground
Push line pressure
switch
Yes
Release line pres-
sure switch
No
WDIA0172E
TF-112
[ATX14B]
TROUBLE DIAGNOSIS FOR SYSTEM
2007 Pathfinder
Throttle Position Signal (ECM)
EDS0036W
DIAGNOSTIC PROCEDURE
1.
CHECK DTC WITH ECM
Perform self-diagnosis with ECM. Refer to
EC-117, "SELF-DIAG RESULTS MODE"
Is any malfunction detected by self-diagnosis?
YES
>> Check the malfunctioning system.
NO
>> GO TO 2.
2.
CHECK TRANSFER CONTROL UNIT
Check transfer control unit input/output signal. Refer to
TF-37, "Transfer Control Unit Input/Output Signal Ref-
OK or NG
OK
>> GO TO 3.
NG
>> Check transfer control unit pin terminals for damage or loose connection with harness connector.
If any items are damaged, repair or replace damaged parts.
3.
CHECK DTC
Perform the self-diagnosis, after driving a vehicle for a while.
OK or NG
OK
>> Inspection End.
NG
>> Perform self-diagnosis with ECM again. Refer to
EC-117, "SELF-DIAG RESULTS MODE"
ABS Operation Signal (ABS)
EDS0036X
DIAGNOSTIC PROCEDURE
1.
CHECK DTC WITH ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)
Perform self-diagnosis with ABS actuator and electric unit (control unit). Refer to
Is any malfunction detected by self-diagnosis?
YES
>> Check the malfunctioning system.
NO
>> GO TO 2.
2.
CHECK TRANSFER CONTROL UNIT
Check transfer control unit input/output signal. Refer to
TF-37, "Transfer Control Unit Input/Output Signal Ref-
OK or NG
OK
>> GO TO 3.
NG
>> Check transfer control unit pin terminals for damage or loose connection with harness connector.
If any items are damaged, repair or replace damaged parts.
3.
CHECK DTC
Perform the self-diagnosis, after driving a vehicle for a while.
OK or NG
OK
>> Inspection End.
NG
>> Perform self-diagnosis with ABS actuator and electric unit (control unit) again. Refer to
.
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