Nissan Pathfinder (2007 year). Instruction — part 420
TROUBLE DIAGNOSIS FOR SYSTEM
TF-241
[TX15B]
C
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TF
2007 Pathfinder
3.
CHECK TRANSFER RELAY 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. Refer to
TF-202, "Location of Electrical
3.
Check voltage between transfer control unit harness connector
terminal and ground.
4.
Turn ignition switch “ON”. (Do not start engine.)
5.
Check voltage between transfer control unit harness connector
terminal and ground.
OK or NG
OK
>> GO TO 4.
NG
>> Check the following. If any items are damaged, repair or
replace damaged parts.
●
Harness for short or open between transfer control unit harness connector terminal 27 and
transfer shift high relay harness connector E46 terminal 2.
●
Harness for short or open between transfer control unit harness connector terminal 27 and
transfer shift low relay harness connector terminal E47 terminal 2.
4.
CHECK TRANSFER RELAY
1.
Turn ignition switch “OFF”. (Stay for at least 5 seconds.)
2.
Remove transfer shift high relay and transfer shift low relay.
3.
Apply 12V direct current between transfer shift high and low
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 shift high or low relay.
Connector
Terminal
Voltage (Approx.)
E46
2 - Ground
0V
E47
2 - Ground
0V
SDIA3384E
Connector
Terminal
Voltage (Approx.)
E46
2 - Ground
Battery voltage
E47
2 - Ground
Battery voltage
SDIA3385E
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-242
[TX15B]
TROUBLE DIAGNOSIS FOR SYSTEM
2007 Pathfinder
5.
CHECK (1): 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.
3.
Remove transfer shift high relay and transfer shift low relay.
4.
Check continuity between the following terminals.
–
Transfer control unit harness connector M153 terminal 42 and
transfer shift high relay harness connector E46 terminal 1.
–
Transfer control unit harness connector M153 terminal 50 and
transfer shift low relay harness connector E47 terminal 1.
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 (2): 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.
3.
Remove transfer shift high relay and transfer shift low relay.
4.
Check continuity between the following terminals.
–
Transfer control unit harness connector M153 terminal 28 and
transfer shift high relay harness connector E46 terminal 5.
–
Transfer control unit harness connector M153 terminal 28 and
transfer shift low relay harness connector E47 terminal 5.
–
Transfer control unit harness connector M153 terminal 31 and
transfer shift high relay harness connector E46 terminal 4.
–
Transfer control unit harness connector M153 terminal 31 and
transfer shift low relay harness connector E47 terminal 4.
Also check harness for short to ground and short to power.
OK or NG
OK
>> GO TO 7.
NG
>> Repair or replace damaged parts.
Continuity should exist.
SDIA3386E
Continuity should exist.
SDIA3387E
TROUBLE DIAGNOSIS FOR SYSTEM
TF-243
[TX15B]
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B
TF
2007 Pathfinder
7.
CHECK ACTUATOR MOTOR OPERATION CIRCUIT
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 47 and
transfer control device (actuator motor) harness connector F58
terminal 23.
–
Transfer control unit harness connector M153 terminal 48 and
transfer control device (actuator motor) harness connector F58
terminal 24.
–
Transfer control device (actuator motor) harness connector F58
terminal 24 and transfer shift high relay harness connector E46
terminal 3.
–
Transfer control device (actuator motor) harness connector F58
terminal 23 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 8.
NG
>> Repair or replace damaged parts.
8.
CHECK ACTUATOR MOTOR
1.
Remove transfer control device. Refer to
TF-268, "Removal and Installation"
2.
Check operation by applying battery voltage to transfer control
device (actuator motor) terminals 23 and 24.
CAUTION:
Be careful not to overheat the harness.
Does actuator motor rotate?
YES
>> GO TO 9.
NO
>> Replace transfer control device (actuator motor). Refer
to
TF-273, "Removal and Installation"
9.
CHECK TRANSFER CONTROL UNIT
Check transfer control unit input/output signal. Refer to
TF-211, "Transfer Control Unit Input/Output Signal Ref-
.
OK or NG
OK
>> GO TO 10.
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.
SDIA2811E
Continuity should exist.
SDIA3394E
Terminal
Actuator motor
24 (Battery voltage) - 23 (Ground)
Clockwise rotate
23 (Battery voltage) - 24 (Ground)
Counterclockwise rotate
SDIA2386E
TF-244
[TX15B]
TROUBLE DIAGNOSIS FOR SYSTEM
2007 Pathfinder
10.
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-268, "TRANSFER CONTROL UNIT"
COMPONENT INSPECTION
Actuator Motor
1.
Remove transfer control device. Refer to
TF-273, "Removal and Installation"
.
2.
Check operation by applying battery voltage to transfer control
device (actuator motor) terminals 23 and 24.
CAUTION:
Be careful not to overheat the harness.
3.
If NG, replace transfer control device (actuator motor). Refer to
TF-273, "Removal and Installation"
Transfer Relay
1.
Turn ignition switch “OFF”. (Stay for at least 5 seconds.)
2.
Remove transfer shift high relay and transfer shift low relay 2. Refer to
TF-202, "Location of Electrical
.
3.
Apply 12V direct current between transfer shift high and low relay terminals 1 and 2.
4.
Check continuity between relay terminals 3 and 4, and 3 and 5.
5.
If NG, replace transfer shift high or low relay. Refer to
"Location of Electrical Parts"
Terminal
Actuator motor
24 (Battery voltage) - 23 (Ground)
Clockwise rotate
23 (Battery voltage) - 24 (Ground)
Counterclockwise rotate
SDIA2386E
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
TROUBLE DIAGNOSIS FOR SYSTEM
TF-245
[TX15B]
C
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TF
2007 Pathfinder
Actuator Position Switch
EDS0038J
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
●
Vehicle stopped
●
Engine running
●
A/T selector lever “N”
position
●
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
Terminal
Wire
color
Item
Condition
Data (Approx.)
10
LG
Actuator position switch 1
●
Vehicle stopped
●
Engine running
●
A/T selector
lever “N” position
●
Brake pedal
depressed
4WD shift switch: 2WD and 4LO
0V
4WD shift switch: 4H
Battery voltage
11
W
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
L
Actuator position switch 4
4WD shift switch: 4H and 4LO
0V
4WD shift switch: 2WD
Battery voltage
TF-246
[TX15B]
TROUBLE DIAGNOSIS FOR SYSTEM
2007 Pathfinder
DIAGNOSTIC PROCEDURE
1.
CHECK ACTUATOR POSITION SWITCH SIGNAL
With CONSULT-II
1.
Start engine.
2.
Depress brake pedal and stop vehicle.
3.
Set A/T selector lever to "N" position.
4.
Select “DATA MONITOR” mode for “ALL MODE AWD/4WD” with CONSULT-II.
5.
Read out the value of “SHIFT POS SW1”, “SHIFT POS SW2”,
“SHIFT POS SW3”, “SHIFT POS SW4”.
Without CONSULT-II
1.
Start engine.
2.
Depress brake pedal and stop vehicle.
3.
Set A/T selector lever to "N" position.
4.
Check voltage between transfer control unit harness connector
terminal and ground.
OK or NG
OK
>> GO TO 4.
NG
>> GO TO 2.
Monitored item
Condition
Display value
SHIFT POS SW1
4WD shift switch: 2WD and 4LO
ON
4WD shift switch: 4H
OFF
SHIFT POS SW2
4WD shift switch: 4LO
ON
4WD shift switch: 2WD and 4H
OFF
SHIFT POS SW3
4WD shift switch: 2WD and 4H
ON
4WD shift switch: 4LO
OFF
SHIFT POS SW4
4WD shift switch: 4H and 4LO
ON
4WD shift switch: 2WD
OFF
Connector
Terminal
Condition
Voltage
(Approx.)
E142
10 -
Ground
4WD shift switch: 2WD and 4LO
0V
4WD shift switch: 4H
Battery
voltage
11 -
Ground
4WD shift switch: 4LO
0V
4WD shift switch: 2WD and 4H
Battery
voltage
12 -
Ground
4WD shift switch: 2WD and 4H
0V
4WD shift switch: 4LO
Battery
voltage
13 -
Ground
4WD shift switch: 4H and 4LO
0V
4WD shift switch: 2WD
Battery
voltage
PDIA0224E
SDIA3369E
TROUBLE DIAGNOSIS FOR SYSTEM
TF-247
[TX15B]
C
E
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G
H
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M
A
B
TF
2007 Pathfinder
2.
CHECK HARNESS BETWEEN TRANSFER CONTROL UNIT AND ACTUATOR POSITION SWITCH
1.
Turn ignition switch “OFF”. (Stay for at least 5 seconds.)
2.
Disconnect transfer control unit harness connector and the transfer control device (actuator position
switch) harness connector.
3.
Check continuity between the following terminals.
–
Transfer control unit harness connector M152 terminal 10 and
transfer control device (actuator position switch) harness con-
nector F58 terminal 26.
–
Transfer control unit harness connector M152 terminal 11 and
transfer control device (actuator position switch) harness con-
nector F58 terminal 20.
–
Transfer control unit harness connector M152 terminal 12 and
transfer control device (actuator position switch) harness con-
nector F58 terminal 21.
–
Transfer control unit harness connector M152 terminal 13 and
transfer control device (actuator position switch) harness connector F58 terminal 25.
Also check harness for short to ground and short to power.
OK or NG
OK
>> GO TO 3.
NG
>> Repair or replace damaged parts.
3.
CHECK GROUND CIRCUIT
1.
Turn ignition switch “OFF”. (Stay for at least 5 seconds.)
2.
Check continuity between transfer control device (actuator posi-
tion switch) harness connector F58 terminal 22 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 CONTROL UNIT
Check transfer control unit input/output signal. Refer to
TF-211, "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 device. Refer to
TF-273, "Removal and Installation"
Continuity should exist.
SDIA3370E
Continuity should exist.
SDIA2815E
TF-248
[TX15B]
TROUBLE DIAGNOSIS FOR SYSTEM
2007 Pathfinder
Transfer Control Device
EDS0038K
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 ACT/R MON
[ON/OFF]
Operating condition of
actuator motor relay (inte-
grated in transfer control
unit)
●
Vehicle stopped
●
Engine running
●
A/T selector lever “N”
position
●
Brake pedal depressed
When 4WD shift switch is
operated
ON
When 4WD shift switch is
not operated
OFF
Terminal
Wire
color
Item
Condition
Data (Approx.)
25
W/G
Ignition switch monitor
Ignition switch: ON
Battery voltage
Ignition switch: OFF
0V
27
L
Actuator motor power supply
Ignition switch: ON
Battery voltage
Ignition switch: OFF (5 seconds after ignition switch is turned
OFF.)
0V
32
B
Ground
Always
0V
40
V
Transfer shut off relay
Ignition switch: ON
0V
Ignition switch: OFF (5 seconds after ignition switch is turned
OFF.)
Battery voltage
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