Nissan Pathfinder (2005 year). Instruction — part 432
TROUBLE DIAGNOSIS FOR SYSTEM
TF-75
[ATX14B]
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TF
2005 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
(Wire
color)
Condition
Voltage
(Approx.)
Connector
Terminal (Wire color)
Voltage (Approx.)
E46
5 - Ground
Battery voltage
E47
5 - Ground
SDIA2707E
Connector
Terminal (Wire color)
Voltage (Approx.)
E46
5 - Ground
Battery voltage
E47
5 - Ground
SDIA2706E
TF-76
[ATX14B]
TROUBLE DIAGNOSIS FOR SYSTEM
2005 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
TROUBLE DIAGNOSIS FOR SYSTEM
TF-77
[ATX14B]
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TF
2005 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 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.
–
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.
SDIA2710E
SDIA2711E
Continuity should exist.
SDIA2712E
TF-78
[ATX14B]
TROUBLE DIAGNOSIS FOR SYSTEM
2005 Pathfinder
6.
CHECK ACTUATOR MOTOR
1.
Remove transfer control device. Refer to
TF-140, "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 continuity between transfer control device (actuator
motor) terminals 21 and 24.
OK or NG
OK
>> GO TO 7.
NG
>> Replace transfer control device (actuator motor). Refer
to
TF-140, "Removal and Installation"
.
7.
CHECK TRANSFER CONTROL UNIT
Check transfer control unit input/output signal. Refer to
TF-38, "Transfer Control Unit Input/Output Signal Ref-
.
OK or NG
OK
>> GO TO 8.
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.
8.
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-134, "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
SDIA2726E
TROUBLE DIAGNOSIS FOR SYSTEM
TF-79
[ATX14B]
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TF
2005 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-140, "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 continuity between transfer control device (actuator
motor) terminals 21 and 24.
4.
If NG, replace transfer control device (actuator motor). Refer to
TF-140, "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
SDIA2726E
TF-80
[ATX14B]
TROUBLE DIAGNOSIS FOR SYSTEM
2005 Pathfinder
Actuator Position Switch
EDS001JJ
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
TROUBLE DIAGNOSIS FOR SYSTEM
TF-81
[ATX14B]
C
E
F
G
H
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J
K
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M
A
B
TF
2005 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
(Wire
color)
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
TF-82
[ATX14B]
TROUBLE DIAGNOSIS FOR SYSTEM
2005 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 M153 terminal 27 and
transfer control device (actuator position switch) harness con-
nector F58 terminal 23.
–
Transfer control unit harness connector M153 terminal 44 and
transfer control device (actuator position switch) harness con-
nector F58 terminal 20.
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.
Disconnect transfer control device (actuator position switch) harness connector.
3.
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 ACTUATOR POSITION SWITCH
1.
Remove transfer control device. Refer to
TF-140, "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.
OK or NG
YES
>> GO TO 5.
NO
>> Replace transfer control device (actuator motor). Refer to
TF-140, "Removal and Installation"
.
Continuity should exist.
SDIA2716E
Continuity should exist.
SDIA2717E
Terminal
Continuity
Continuity
24 (Battery voltage) - 21
(Ground)
20 - 22
YES
22 - 23
NO
21 (Battery voltage) - 24
(Ground)
22 - 23
YES
20 - 22
NO
LDIA0101E
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