Nissan Pathfinder (2007 year). Manual — part 399
TROUBLE DIAGNOSIS FOR SYSTEM
TF-73
[ATX14B]
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TF
2007 Pathfinder
DIAGNOSTIC PROCEDURE
1.
CHECK ACTUATOR MOTOR SIGNAL
With CONSULT-II
1.
Start engine.
2.
Select “DATA MONITOR” mode for “ALL MODE AWD/4WD” with CONSULT-II.
3.
Read out the value of “SHIFT ACT1”, “SHIFT AC MON1”,
“SHIFT ACT2” and “SHIFT AC MON2”.
Without CONSULT-II
1.
Start engine.
2.
Check voltage between transfer control unit harness connector
terminal and ground.
Monitored
item
Condition
Display
value
SHIFT ACT1
●
Vehicle stopped
●
Engine running
●
A/T selector lever “N” posi-
tion
●
Brake pedal depressed
4WD shift switch: 4H
to 4LO (“Wait” func-
tion is operating.)
ON
Except the above
OFF
SHIFT AC
MON1
●
Vehicle stopped
●
Engine running
●
A/T selector lever “N” posi-
tion
●
Brake pedal depressed
4WD shift switch: 4H
to 4LO (“Wait” func-
tion is operating.)
ON
Except the above
OFF
SHIFT ACT2
●
Vehicle stopped
●
Engine running
●
A/T selector lever “N” posi-
tion
●
Brake pedal depressed
4WD shift switch:
4LO to 4H (“Wait”
function is operat-
ing.)
ON
Except the above
OFF
SHIFT AC
MON2
●
Vehicle stopped
●
Engine running
●
A/T selector lever “N” posi-
tion
●
Brake pedal depressed
4WD shift switch:
4LO to 4H (“Wait”
function is operat-
ing.)
ON
Except the above
OFF
Connector
Terminal
Condition
Voltage
(Approx.)
M152
4 -
Ground
●
Vehicle stopped
●
Engine running
●
A/T selector lever
“N” position
●
Brake pedal
depressed
4WD shift switch: 4H
to 4LO (“Wait” function
is operating.)
Battery
voltage
Except the above
0V
13 -
Ground
●
Vehicle stopped
●
Engine running
●
A/T selector lever
“N” position
●
Brake pedal
depressed
4WD shift switch: 4LO
to 4H (“Wait” function
is operating.)
Battery
voltage
Except the above
0V
PDIA0223E
SDIA2705E
TF-74
[ATX14B]
TROUBLE DIAGNOSIS FOR SYSTEM
2007 Pathfinder
OK or NG
OK
>> GO TO 7.
NG
>> GO TO 2.
2.
CHECK ACTUATOR MOTOR POWER SUPPLY CIRCUIT
1.
Turn ignition switch “OFF”. (Stay for at least 5 seconds.)
2.
Remove transfer shift high relay and transfer shift low relay.
3.
Check voltage between transfer shift high relay harness connec-
tor E46 terminal 5, transfer shift low relay harness connector
E47 terminal 5 and ground.
4.
Turn ignition switch “ON”. (Do not start engine.)
5.
Check voltage between transfer shift high relay harness connec-
tor E46 terminal 5, transfer shift low relay harness connector
E47 terminal 5 and ground.
OK or NG
OK
>> GO TO 3.
NG
>> Check the following. If any items are damaged, repair or
replace damaged parts.
●
20A fuse [No. 58, located in the fuse block (J/B)]. Refer to
.
●
Harness for short or open between battery, transfer shift high harness connector terminal 5 and
transfer shift low harness connector terminal 5.
M153
33 -
Ground
●
Vehicle stopped
●
Engine running
●
A/T selector lever
“N” position
●
Brake pedal
depressed
4WD shift switch: 4H
to 4LO (“Wait” function
is operating.)
Battery
voltage
Except the above
0V
42 -
Ground
●
Vehicle stopped
●
Engine running
●
A/T selector lever
“N” position
●
Brake pedal
depressed
4WD shift switch: 4LO
to 4H (“Wait” function
is operating.)
Battery
voltage
Except the above
0V
Connector
Terminal
Condition
Voltage
(Approx.)
Connector
Terminal
Voltage (Approx.)
E46
5 - Ground
Battery voltage
E47
5 - Ground
SDIA2707E
Connector
Terminal
Voltage (Approx.)
E46
5 - Ground
Battery voltage
E47
5 - Ground
SDIA2706E
TROUBLE DIAGNOSIS FOR SYSTEM
TF-75
[ATX14B]
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TF
2007 Pathfinder
3.
CHECK ACTUATOR MOTOR GROUND CIRCUIT
1.
Turn ignition switch “OFF”. (Stay for at least 5 seconds.)
2.
Remove transfer shift high relay and transfer shift low relay. Refer to
TF-24, "Location of Electrical Parts"
.
3.
Check continuity between transfer shift high relay harness con-
nector E46 terminals 1 and 4, and transfer shift low relay har-
ness connector E47 terminals 1 and 4 and ground.
Also check harness for short to power.
OK or NG
OK
>> GO TO 4.
NG
>> Repair open circuit or short to power in harness or con-
nectors.
4.
CHECK TRANSFER SHIFT RELAYS
1.
Turn ignition switch “OFF”.
2.
Remove transfer shift high relay and transfer shift low relay. Refer to
TF-24, "Location of Electrical Parts"
.
3.
Apply 12V direct current between transfer shift relay terminals 1
and 2.
4.
Check continuity between relay terminals 3 and 4, 3 and 5.
OK or NG
OK
>> GO TO 5.
NG
>> Replace the transfer shut off relay. Refer to
TF-24, "Location of Electrical Parts"
.
Continuity should exist.
SDIA2708E
Terminal
Condition
Continuity
3 - 4
12V direct current supply between terminals 1 and 2
No
OFF
Yes
3 - 5
12V direct current supply between terminals 1 and 2
Yes
OFF
No
LDIA0099E
TF-76
[ATX14B]
TROUBLE DIAGNOSIS FOR SYSTEM
2007 Pathfinder
5.
CHECK HARNESS BETWEEN TRANSFER CONTROL UNIT AND TRANSFER SHIFT RELAY
1.
Turn ignition switch “OFF”. (Stay for at least 5 seconds.)
2.
Disconnect transfer control unit harness connector and the transfer control device (actuator motor) har-
ness connector.
3.
Remove transfer shift high relay and transfer shift low relay.
4.
Check continuity between the following terminals.
–
Transfer control unit harness connector M152 terminal 4 and
transfer shift high relay harness connector E46 terminal 2.
–
Transfer control unit harness connector M152 terminal 13 and
transfer shift low relay harness connector E47 terminal 2.
–
Transfer control unit harness connector M153 terminal 33 and
transfer shift high relay harness connector E46 terminal 3.
–
Transfer control unit harness connector M153 terminal 42 and
transfer shift low relay harness connector E47 terminal 3.
Also check harness for short to ground and short to power.
OK or NG
OK
>> GO TO 6.
NG
>> Repair or replace damaged parts.
6.
CHECK HARNESS BETWEEN TRANSFER CONTROL UNIT AND ACTUATOR MOTOR
1.
Turn ignition switch “OFF”. (Stay for at least 5 seconds.)
2.
Disconnect transfer control unit harness connector and the transfer control device (actuator motor) har-
ness connector.
3.
Check continuity between the following terminals.
–
Transfer control unit harness connector M153 terminal 33 and
transfer control device (actuator motor) harness connector F58
terminal 21.
–
Transfer control unit harness connector M153 terminal 42 and
transfer control device (actuator motor) harness connector F58
terminal 24.
Also check harness for short to ground and short to power.
OK or NG
OK
>> GO TO 7.
NG
>> Repair or replace damaged parts.
SDIA2711E
Continuity should exist.
SDIA2712E
Continuity should exist.
SDIA2710E
TROUBLE DIAGNOSIS FOR SYSTEM
TF-77
[ATX14B]
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2007 Pathfinder
7.
CHECK ACTUATOR MOTOR
1.
Remove transfer control device. Refer to
TF-138, "Removal and Installation"
2.
Check operation by applying battery voltage to transfer control
device (actuator motor) terminals 21 and 24.
CAUTION:
●
Do not operate actuator motor for more than 1 second.
●
Change the actuator motor position to “HIGH” when
installing.
●
Be careful not to overheat the harness.
3.
Check resistance between transfer control device (actuator
motor) terminals 21 and 24.
OK or NG
OK
>> GO TO 8.
NG
>> Replace transfer control device (actuator motor). Refer
to
TF-138, "Removal and Installation"
8.
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 9.
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.
9.
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"
Terminal
Actuator motor
21 (Battery voltage) - 24 (Ground)
Clockwise rotate
24 (Battery voltage) - 21 (Ground)
Counterclockwise rotate
21 - 24
: Approx. 0.2
Ω
WDIA0224E
SDIA3252E
TF-78
[ATX14B]
TROUBLE DIAGNOSIS FOR SYSTEM
2007 Pathfinder
COMPONENT INSPECTION
Transfer Shift Relay
1.
Turn ignition switch “OFF”. (Stay for at least 5 seconds.)
2.
Remove transfer shift high relay and transfer shift low relay. Refer to
TF-24, "Location of Electrical Parts"
3.
Apply 12V direct current between transfer shift relay terminals 1
and 2.
4.
Check continuity between relay terminals 3 and 4, 3 and 5.
5.
If NG, replace transfer shift relay.
Transfer Control Device
1.
Remove transfer control device. Refer to
TF-138, "Removal and Installation"
.
2.
Check operation by applying battery voltage to transfer control
device (actuator motor) terminals 21 and 24.
CAUTION:
●
Do not operate actuator motor for more than 1 second.
●
Change the actuator motor position to “HIGH” when
installing.
●
Be careful not to overheat the harness.
3.
Check resistance between transfer control device (actuator
motor) terminals 21 and 24.
4.
If NG, replace transfer control device (actuator motor). Refer to
TF-138, "Removal and Installation"
Terminal
Condition
Continuity
3 - 4
12V direct current supply between terminals 1 and 2
Yes
OFF
No
3 - 5
12V direct current supply between terminals 1 and 2
Yes
OFF
No
LDIA0099E
Terminal
Actuator motor
21 (Battery voltage) - 24 (Ground)
Clockwise rotate
24 (Battery voltage) - 21 (Ground)
Counterclockwise rotate
21 - 24
: Approx. 0.2
Ω
WDIA0224E
SDIA3252E
TROUBLE DIAGNOSIS FOR SYSTEM
TF-79
[ATX14B]
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TF
2007 Pathfinder
Actuator Position Switch
EDS0036N
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
SHIFT POS SW1 [ON/
OFF]
Condition of actuator posi-
tion switch 1
(Low)
●
Vehicle stopped
●
Engine running
●
A/T selector lever “N”
position
●
Brake pedal depressed
4WD shift switch: 4LO
ON
4WD shift switch: 2WD,
AUTO or 4H
OFF
SHIFT POS SW2 [ON/
OFF]
Condition of actuator posi-
tion switch 2
(High)
●
Vehicle stopped
●
Engine running
●
A/T selector lever “N”
position
●
Brake pedal depressed
4WD shift switch: 4H,
AUTO or 2WD
ON
4WD shift switch: 4LO
OFF
Terminal
Wire
color
Item
Condition
Data (Approx.)
27
W
Actuator position switch 2
(High)
●
Vehicle stopped
●
Engine running
●
A/T selector
lever “N” position
●
Brake pedal
depressed
4WD shift switch: 4H, AUTO or 2WD
0V
4WD shift switch: 4LO
Battery voltage
44
LG
Actuator position switch 1
(Low)
●
Vehicle stopped
●
Engine running
●
A/T selector
lever “N” position
●
Brake pedal
depressed
4WD shift switch: 4LO
0V
4WD shift switch: 2WD, AUTO or 4H
Battery voltage
TF-80
[ATX14B]
TROUBLE DIAGNOSIS FOR SYSTEM
2007 Pathfinder
DIAGNOSTIC PROCEDURE
1.
CHECK ACTUATOR POSITION SWITCH SIGNAL
With CONSULT-II
1.
Start engine.
2.
Select “DATA MONITOR” mode for “ALL MODE AWD/4WD” with CONSULT-II.
3.
Read out the value of “SHIFT POS SW1” and “SHIFT POS
SW2”.
Without CONSULT-II
1.
Start engine.
2.
Check voltage between transfer control unit harness connector
terminal and ground.
OK or NG
OK
>> GO TO 5.
NG
>> GO TO 2.
Monitored item
Condition
Display value
SHIFT POS SW1
●
Vehicle stopped
●
Engine running
●
A/T selector lever
“N” position
●
Brake pedal
depressed
4WD shift switch: 4LO
ON
4WD shift switch:
2WD, AUTO or 4H
OFF
SHIFT POS SW2
●
Vehicle stopped
●
Engine running
●
A/T selector lever
“N” position
●
Brake pedal
depressed
4WD shift switch: 4H,
AUTO or 2WD
ON
4WD shift switch: 4LO
OFF
Connector
Terminal
Condition
Voltage
(Approx.)
M153
27 -
Ground
●
Vehicle stopped
●
Engine running
●
A/T selector
lever “N” position
●
Brake pedal
depressed
4WD shift switch: 4H,
AUTO or 2WD
0V
4WD shift switch: 4LO
Battery
voltage
44 -
Ground
●
Vehicle stopped
●
Engine running
●
A/T selector
lever “N” position
●
Brake pedal
depressed
4WD shift switch: 4LO
0V
4WD shift switch:
2WD, AUTO or 4H
Battery
voltage
SDIA2714E
SDIA2715E
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