Nissan Pathfinder (2005 year). Instruction — part 453
TROUBLE DIAGNOSIS FOR SYSTEM
TF-243
[TX15B]
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TF
2005 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-267, "TRANSFER CONTROL UNIT"
.
COMPONENT INSPECTION
Actuator Motor
1.
Remove transfer control device. Refer to
TF-272, "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-272, "Removal and Installation"
.
Transfer Relay
1.
Turn ignition switch “OFF”. (Stay for at least 5 seconds.)
2.
Remove transfer relay 1 and transfer telay 2. Refer to
TF-202, "Location of Electrical Parts"
.
3.
Apply 12V direct current between transfer relay terminals 1 and 2.
4.
Check continuity between relay terminals 3 and 4, and 3 and 5.
5.
If NG, replace transfer relay. Refer to
.
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
TF-244
[TX15B]
TROUBLE DIAGNOSIS FOR SYSTEM
2005 Pathfinder
Actuator Position Switch
EDS001LF
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
TROUBLE DIAGNOSIS FOR SYSTEM
TF-245
[TX15B]
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2005 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
(Wire
color)
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
PDIA0216E
TF-246
[TX15B]
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 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-210, "Transfer Control Unit Input/Output Signal
.
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-272, "Removal and Installation"
.
Continuity should exist.
SDIA2814E
Continuity should exist.
SDIA2815E
TROUBLE DIAGNOSIS FOR SYSTEM
TF-247
[TX15B]
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2005 Pathfinder
Transfer Control Device
EDS001LG
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 (Five seconds after ignition switch is turned
OFF.)
0V
32
B
Actuator motor ground
Always
0V
40
V
Transfer shut off relay
Ignition switch: ON
0V
Ignition switch: OFF (Five seconds after ignition switch is turned
OFF.)
Battery voltage
TF-248
[TX15B]
TROUBLE DIAGNOSIS FOR SYSTEM
2005 Pathfinder
DIAGNOSTIC PROCEDURE
1.
CHECK POWER SUPPLY
1.
Turn ignition switch “OFF”. (Stay for at least 5 seconds.)
2.
Disconnect transfer control unit harness connector.
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
terminals and ground.
OK or NG
OK
>> GO TO 2.
NG
>> Check the following. If any items are damaged, repair or
replace damaged parts.
●
10A fuse (No. 57, located in the fuse and relay block).
●
40A fuse (No. j , located in the fuse and fusible link box).
●
Harness for short or open between battery and transfer shut off relay 1 harness connector E156
terminal 3.
●
Harness for short or open between transfer control unit harness connector M153 terminal 27
and transfer shut off relay 1 harness connector E156 terminal 5.
●
Harness for short or open between ignition switch and transfer shut off relay 1 harness connec-
tor E156 terminal 1.
●
Harness for short or open between transfer shut off relay 1 harness connector E156 terminal 2
and ground.
●
Harness for short or open between ignition switch and transfer control unit harness connector
M152 terminal 25.
●
Battery and ignition switch. Refer to
PG-4, "POWER SUPPLY ROUTING CIRCUIT"
.
●
Transfer shut off relay 1. Refer to
TF-224, "COMPONENT INSPECTION"
.
Connector
Terminal (Wire color)
Voltage (Approx.)
M152
25 - Ground
0V
M153
27 - Ground
SDIA2816E
Connector
Terminal (Wire color)
Voltage (Approx.)
M152
25 - Ground
Battery voltage
M153
27 - Ground
SDIA2817E
TROUBLE DIAGNOSIS FOR SYSTEM
TF-249
[TX15B]
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TF
2005 Pathfinder
2.
CHECK GROUND CIRCUIT
1.
Turn ignition switch "OFF".
2.
Disconnect transfer control unit harness connector.
3.
Check continuity between transfer control unit harness connec-
tor M153 terminal 32 and ground.
Also check harness for short to power.
OK or NG
OK
>> GO TO 3.
NG
>> Repair open circuit or short to power in harness or con-
nectors.
3.
CHECK POWER SUPPLY SIGNAL
1.
Turn ignition switch “OFF”. (Stay for at least 5 seconds.)
2.
Connect transfer control unit harness connector.
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 battery and trans-
fer shut off relay 2 harness connector E157 terminal 1.
●
Harness for short or open between transfer shut off relay 2 harness connector E157 terminal 2
and transfer control unit harness connector M153 terminal 40.
●
Transfer shut off relay 2. Refer to
TF-224, "COMPONENT INSPECTION"
.
4.
CHECK TRANSFER CONTROL UNIT
Check transfer control unit input/output signal. Refer to
TF-210, "Transfer Control Unit Input/Output Signal
.
OK or NG
OK-1
>> With CONSULT-II: GO TO 5.
OK-2
>> Without CONSULT-II: GO TO 6.
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.
Continuity should exist.
SDIA2818E
Connector
Terminal (Wire color)
Voltage (Approx.)
M153
40 - Ground
Battery voltage
SDIA2819E
Connector
Terminal (Wire color)
Voltage (Approx.)
M153
40 - Ground
0V
SDIA2820E
TF-250
[TX15B]
TROUBLE DIAGNOSIS FOR SYSTEM
2005 Pathfinder
5.
PERFORM SELF-DIAGNOSIS (WITH CONSULT-II)
With CONSULT-II
1.
Turn ignition switch “ON”. (Do not start engine.)
2.
Select “SELF-DIAG RESULTS” mode for “ALL MODE AWD/4WD” with CONSULT-II.
3.
Touch “ERASE”.
4.
Turn ignition switch “OFF” and wait at least 10 seconds.
5.
Perform the self-diagnosis again.
Is the “SHIFT ACT CIR [P1819]” displayed?
YES
>> Replace transfer control unit. Refer to
TF-267, "TRANSFER CONTROL UNIT"
.
NO
>> Inspection End.
6.
PERFORM SELF-DIAGNOSIS (WITHOUT CONSULT-II)
Without CONSULT-II
1.
Perform the self-diagnosis and then erase self-diagnostic results. Refer to
PROCEDURE (WITHOUT CONSULT-II)"
and
TF-220, "ERASE SELF-DIAGNOSIS"
.
2.
Perform the self-diagnosis again.
Do the self-diagnostic results indicate transfer control device?
YES
>> Replace transfer control unit. Refer to
TF-267, "TRANSFER CONTROL UNIT"
.
NO
>> Inspection End.
Engine Speed Signal
EDS001LH
DIAGNOSTIC PROCEDURE
1.
CHECK DTC WITH ECM
Perform self-diagnosis with ECM. Refer to
EC-129, "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-210, "Transfer Control Unit Input/Output Signal
.
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-129, "SELF-DIAG RESULTS MODE"
.
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