Nissan Pathfinder (2009 year). Instruction — part 198
DLN-66
< COMPONENT DIAGNOSIS >
[TRANSFER: ATX14B]
P1824 TRANSFER MOTOR
P1824 TRANSFER MOTOR
Description
INFOID:0000000003937242
Motor does not operate properly due to open or short circuit in transfer motor or transfer motor relay.
DTC Logic
INFOID:0000000003937243
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
DTC CONFIRMATION PROCEDURE
1.
Turn ignition switch ON.
2.
Perform self-diagnosis.
Is DTC P1824 displayed?
YES
>> Perform diagnosis procedure. Refer to
.
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000003937244
1.
CHECK TRANSFER MOTOR RELAY SIGNAL
With CONSULT-III
1.
Start engine.
2.
Select “DATA MONITOR” mode for “ALL MODE AWD/4WD” with CONSULT-III.
3.
Read out the value of “MOTOR RELAY” and “MOTOR RELAY MON”.
DTC
CONSULT-III
Diagnostic item is detected when...
Reference
[P1824]
MOTOR RELAY
Motor does not operate properly due to
open or short circuit in transfer motor or
transfer motor relay.
Refer to
.
Monitored
item
Condition
Display value
(Approx.)
MOTOR
RELAY
• Accelerator ped-
al depressed
• Vehicle stopped
• Engine running
• Brake pedal de-
pressed
4WD shift switch: 2WD
OFF
4WD shift switch: AUTO or
4LO (A/T selector lever “P” or
“N” position)
OFF
("ON" for ap-
prox. 2 sec. af-
ter shifting to
“P” and “N”.)
4WD shift switch: AUTO or
4LO (Except for A/T selector
lever “P” or “N” position)
ON
4WD shift switch: 4H (A/T se-
lector lever “P” position)
OFF
("ON" for ap-
prox. 2 sec. af-
ter shifting to
“P”.)
4WD shift switch: 4H (Except
for A/T selector lever “P” posi-
tion)
ON
2009 Pathfinder
P1824 TRANSFER MOTOR
DLN-67
< COMPONENT DIAGNOSIS >
[TRANSFER: ATX14B]
C
E
F
G
H
I
J
K
L
M
A
B
DLN
N
O
P
Without CONSULT-III
1.
Start engine.
2.
Check voltage between transfer control unit harness connector
terminal and ground.
MOTOR
RELAY
MON
• Accelerator ped-
al depressed
• Vehicle stopped
• Engine running
• Brake pedal de-
pressed
4WD shift switch: 2WD
OFF
4WD shift switch: AUTO or
4LO (A/T selector lever “P” or
“N” position)
OFF
("ON" for ap-
prox. 2 sec. af-
ter shifting to
“P” and “N”.)
4WD shift switch: AUTO or
4LO (Except for A/T selector
lever “P” or “N” position)
ON
4WD shift switch: 4H (A/T se-
lector lever “P” position)
OFF
("ON" for ap-
prox. 2 sec. af-
ter shifting to
“P”.)
4WD shift switch: 4H (Except
for A/T selector lever “P” posi-
tion)
ON
Monitored
item
Condition
Display value
(Approx.)
Connector
Terminal
Condition
Voltage (Approx.)
M152
14 -
Ground
• Accelera-
tor pedal
depressed
• Vehicle
stopped
• Engine
running
• Brake
pedal de-
pressed
4WD shift switch:
2WD
Battery voltage
4WD shift switch:
AUTO or 4LO (A/T
selector lever “P” or
“N” position)
Battery voltage
(0V for approx. 2
sec. after shifting
to “P” and “N”.)
4WD shift switch:
AUTO or 4LO (Ex-
cept for A/T selector
lever “P” or “N” posi-
tion)
0V
4WD shift switch: 4H
(A/T selector lever
“P” position)
Battery voltage
(0V for approx. 2
sec. after shifting
to “P”.)
4WD shift switch: 4H
(Except for A/T se-
lector lever “P” posi-
tion)
0V
SDIA2735E
2009 Pathfinder
DLN-68
< COMPONENT DIAGNOSIS >
[TRANSFER: ATX14B]
P1824 TRANSFER MOTOR
OK or NG
OK
>> GO TO 8.
NG
>> GO TO 2.
2.
CHECK TRANSFER MOTOR RELAY POWER SUPPLY CIRCUIT
1.
Turn ignition switch “OFF”. (Stay for at least 5 seconds.)
2.
Connect transfer control unit harness connector.
3.
Disconnect transfer motor relay.
4.
Check voltage between transfer motor relay harness connector
terminals and ground.
5.
Turn ignition switch “ON”. (Do not start engine.)
6.
Check voltage between transfer motor relay harness connector
terminals 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. 57, located in the fuse and relay box).
• 10A fuse (No. 59, located in the fuse and relay box).
• Harness for short or open between battery and transfer motor relay harness connector E154 ter-
minals 5.
M153
41 -
Ground
• Accelera-
tor pedal
depressed
• Vehicle
stopped
• Engine
running
• Brake
pedal de-
pressed
4WD shift switch:
2WD
0V
4WD shift switch:
AUTO or 4LO (A/T
selector lever “P” or
“N” position)
0V
(Battery voltage
for approx. 2 sec.
after shifting to “P”
and “N”.)
4WD shift switch:
AUTO or 4LO (Ex-
cept for A/T selector
lever “P” or “N” posi-
tion)
Battery voltage
4WD shift switch: 4H
(A/T selector lever
“P” position)
0V
(Battery voltage
for approx. 2 sec.
after shifting to
“P”.)
4WD shift switch: 4H
(Except for A/T se-
lector lever “P” posi-
tion)
Battery voltage
Connector
Terminal
Condition
Voltage (Approx.)
Connector
Terminal
Voltage (Approx.)
E153
2 - Ground
0V
E154
5 - Ground
Battery voltage
WDIA0169E
Connector
Terminal
Voltage (Approx.)
E153
2 - Ground
Battery voltage
E154
5 - Ground
Battery voltage
WDIA0170E
2009 Pathfinder
P1824 TRANSFER MOTOR
DLN-69
< COMPONENT DIAGNOSIS >
[TRANSFER: ATX14B]
C
E
F
G
H
I
J
K
L
M
A
B
DLN
N
O
P
• Harness for short or open between transfer shut off relay harness connector E155 terminal 5
and transfer motor relay harness connector E153 terminal 2.
• Battery and ignition switch.
3.
CHECK TRANSFER MOTOR RELAY
1.
Turn ignition switch “OFF”. (Stay for at least 5 seconds.)
2.
Remove transfer motor relay. Refer to
DLN-18, "Component Parts Location"
.
3.
Apply 12V direct current between transfer motor relay terminals
1 and 2.
4.
Check continuity between relay terminals 3 and 5.
OK or NG
OK
>> GO TO 4.
NG
>> Replace the transfer motor relay.
4.
CHECK HARNESS BETWEEN TRANSFER CONTROL UNIT AND TRANSFER MOTOR RELAY
1.
Turn ignition switch “OFF”. (Stay for at least 5 seconds.)
2.
Disconnect transfer control unit harness connector.
3.
Remove transfer motor relay.
4.
Check continuity between the following terminals.
-
Transfer control unit harness connector M152 terminal 14 and
transfer motor relay harness connector E154 terminal 1.
Also check harness for short to ground and short to power.
OK or NG
OK
>> GO TO 5.
NG
>> Repair or replace damaged parts.
5.
CHECK TRANSFER MOTOR POWER SUPPLY CIRCUIT
1.
Turn ignition switch “OFF”. (Stay for at least 5 seconds.)
2.
Disconnect transfer control unit harness connector and transfer motor harness connector.
3.
Remove transfer motor relay.
4.
Check continuity between the following terminals.
-
Transfer control unit harness connector M153 terminal 41 and
transfer motor relay harness connector E154 terminal 3.
-
Transfer control unit harness connector M153 terminal 41 and
transfer motor harness connector F57 terminal 14.
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 TRANSFER MOTOR GROUND CIRCUIT
1.
Turn ignition switch “OFF”. (Stay for at least 5 seconds.)
2.
Disconnect transfer motor harness connector.
Condition
Continuity
12V direct current supply between terminals 1 and 2
Yes
OFF
No
LDIA0098E
Continuity should exist.
SDIA2738E
Continuity should exist.
SDIA3254E
2009 Pathfinder
DLN-70
< COMPONENT DIAGNOSIS >
[TRANSFER: ATX14B]
P1824 TRANSFER MOTOR
3.
Check continuity between transfer motor harness connector F57
terminal 15 and ground.
Also check harness for short to power.
OK or NG
OK
>> GO TO 7.
NG
>> Repair open circuit or short to power in harness or con-
nectors.
7.
CHECK TRANSFER MOTOR
1.
Turn ignition switch “OFF”. (Stay for at least 5 seconds.)
2.
Disconnect transfer motor harness connector.
3.
Apply 12V direct current between transfer motor terminals 14
and 15.
Does transfer motor operate?
YES
>> GO TO 8.
NO
>> Replace transfer motor. Refer to
.
8.
CHECK TRANSFER CONTROL UNIT
Check transfer control unit input/output signal. Refer to
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
DLN-136, "Removal and Installation"
.
Component Inspection
INFOID:0000000003937245
TRANSFER MOTOR RELAY
1.
Turn ignition switch OFF. (Stay for at least 5 seconds.)
2.
Remove transfer motor relay. Refer to
DLN-18, "Component Parts Location"
.
3.
Apply 12V direct current between transfer motor relay terminals
1 and 2.
4.
Check continuity between relay terminals 3 and 5.
5.
If inspection results are abnormal replace transfer motor relay.
TRANSFER MOTOR
Continuity should exist.
SDIA2740E
LDIA0097E
Condition
Continuity
12V direct current supply between terminals 1 and 2
Yes
OFF
No
LDIA0098E
2009 Pathfinder
P1824 TRANSFER MOTOR
DLN-71
< COMPONENT DIAGNOSIS >
[TRANSFER: ATX14B]
C
E
F
G
H
I
J
K
L
M
A
B
DLN
N
O
P
1.
Turn ignition switch OFF. (Stay for at least 5 seconds.)
2.
Remove transfer motor. Refer to
DLN-148, "Removal and Installation"
3.
Apply 12V direct current between transfer motor terminals 14
and 15.
4.
If transfer motor does not operate, replace transfer motor.
LDIA0097E
2009 Pathfinder
DLN-72
< COMPONENT DIAGNOSIS >
[TRANSFER: ATX14B]
P1826 TRANSFER FLUID TEMPERATURE
P1826 TRANSFER FLUID TEMPERATURE
Description
INFOID:0000000003937246
Signal voltage from the transfer fluid temperature sensor is abnormally high (Transfer fluid temperature is
abnormally low) while driving.
DTC Logic
INFOID:0000000003937247
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
DTC CONFIRMATION PROCEDURE
1.
Turn ignition switch ON.
2.
Perform self-diagnosis.
Is DTC P1826 displayed?
YES
>> Perform diagnosis procedure. Refer to
.
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000003937248
1.
CHECK TRANSFER FLUID TEMPERATURE SENSOR SIGNAL
With CONSULT-III
1.
Start engine.
2.
Select DATA MONITOR mode for ALL MODE AWD/4WD with CONSULT-III.
3.
Read out the value of FLUID TEMP SE.
Without CONSULT-III
1.
Start engine.
2.
Check voltage between transfer control unit harness connector
terminals and ground.
Are inspection results normal?
YES
>> GO TO 4.
NO
>> GO TO 2.
2.
CHECK HARNESS BETWEEN TRANSFER CONTROL UNIT AND TRANSFER TERMINAL CORD AS-
DTC
CONSULT-III
Diagnostic item is detected when...
Reference
[P1826]
OIL TEMP SEN
Signal voltage from transfer fluid temper-
ature sensor is abnormally high (Trans-
fer fluid temperature is abnormally low)
while driving.
Refer to
.
Condition
Display value
(Approx.)
Transfer fluid temperature approx. 20 - 80
°
C (68 - 176
°
F)
1.1 - 0.3V
Connector
Terminal
Condition
Data
(Approx.)
M153
28 -
Ground
Always
0V
31 -
Ground
Ignition switch:
ON
Transfer fluid temperature
approx. 20
°
C (68
°
F)
1.1V
Transfer fluid temperature
approx. 80
°
C (176
°
F)
0.3V
SDIA2742E
2009 Pathfinder
P1826 TRANSFER FLUID TEMPERATURE
DLN-73
< COMPONENT DIAGNOSIS >
[TRANSFER: ATX14B]
C
E
F
G
H
I
J
K
L
M
A
B
DLN
N
O
P
SEMBLY
1.
Turn ignition switch OFF. (Stay for at least 5 seconds.)
2.
Disconnect transfer control unit harness connector and transfer terminal cord assembly harness connec-
tor.
3.
Check continuity between the following terminals.
-
Transfer control unit harness connector M153 terminal 28 and
transfer terminal cord assembly harness connector F56 terminal
3 .
-
Transfer control unit harness connector M153 terminal 31 and
transfer terminal cord assembly harness connector F56 terminal
2.
Also check harness for short to ground and short to power.
Are inspection results normal?
YES
>> GO TO 3.
NO
>> Repair or replace damaged parts.
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.
Are inspection results normal?
YES
>> GO TO 4.
NO
>> Replace transfer fluid temperature sensor. Refer to
DLN-18, "Component Parts Location"
4.
CHECK TRANSFER CONTROL UNIT
Check transfer control unit input/output signal. Refer to
Are inspection results normal?
YES
>> GO TO 5.
NO
>> 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
Drive the vehicle and then perform self-diagnosis.
Are inspection results normal?
YES
>> Inspection End.
NO
>> Replace transfer control unit. Refer to
DLN-136, "Removal and Installation"
Component Inspection
INFOID:0000000003937249
1.
Turn ignition switch OFF. (Stay for at least 5 seconds.)
2.
Disconnect transfer terminal cord assembly harness connector.
Continuity should exist.
SDIA2743E
Temperature
°
C (
°
F)
Resistance (Approx.)
20 (68)
2.5 k
Ω
80 (176)
0.3 k
Ω
WDIA0188E
2009 Pathfinder
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