Nissan Pathfinder (2011 year). Instruction — part 210
DLN-218
< DTC/CIRCUIT DIAGNOSIS >
[TRANSFER: TX15B]
P1813 4WD SHIFT SWITCH
3. Operate 4WD shift switch and check continuity between 4WD
shift switch terminals.
Are the inspection results normal?
YES
>> GO TO 5.
NO
>> Replace 4WD shift switch.
5.
CHECK TRANSFER CONTROL UNIT
Check transfer control unit input/output signal. Refer to
Are the inspection results normal?
YES
>> GO TO 6.
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.
6.
CHECK DTC
Drive the vehicle and then perform self-diagnosis.
Is DTC P1813 displayed?
YES
>> Replace transfer control unit. Refer to
DLN-277, "Removal and Installation"
.
NO
>> Inspection End.
Component Inspection
INFOID:0000000006245081
1. Turn ignition switch “OFF”. (Stay for at least 5 seconds.)
2. Remove 4WD shift switch harness connector.
3. Operate 4WD shift switch and check continuity between 4WD
shift switch terminals.
4. If the inspection results are abnormal replace the 4WD shift switch.
Terminal
Condition
Continuity
1 - 3
4WD shift switch: 2WD
Yes
4WD shift switch: 4H and 4LO
No
1 - 5
4WD shift switch: 4H
Yes
4WD shift switch: 2WD and 4LO
No
1 - 6
4WD shift switch: 4LO
Yes
4WD shift switch: 2WD and 4H
No
SDIA2805E
Terminal
Condition
Continuity
1 - 3
4WD shift switch: 2WD
Yes
4WD shift switch: 4H and 4LO
No
1 - 5
4WD shift switch: 4H
Yes
4WD shift switch: 2WD and 4LO
No
1 - 6
4WD shift switch: 4LO
Yes
4WD shift switch: 2WD and 4H
No
SDIA2805E
2011 Pathfinder
P1814 WAIT DETECTION SWITCH
DLN-219
< DTC/CIRCUIT DIAGNOSIS >
[TRANSFER: TX15B]
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P1814 WAIT DETECTION SWITCH
Description
INFOID:0000000006245082
The wait detection switch detects if the transfer case is in 4WD. DTC P1814 will set if an improper signal from
the wait detection switch is input due to open or short circuit.
DTC Logic
INFOID:0000000006245083
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
DTC CONFIRMATION PROCEDURE
1. Turn ignition switch ON.
2. Perform self-diagnosis.
Is DTC P1814 detected?
YES
>> Perform diagnosis procedure. Refer to
DLN-219, "Diagnosis Procedure"
.
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000006245084
Regarding Wiring Diagram information, refer to
1.
CHECK WAIT DETECTION SWITCH 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 “WAIT DETCT SW”.
Without CONSULT-III
1. Start engine.
2. Check voltage between transfer control unit harness connector
terminal and ground.
Are the inspection results normal?
DTC
CONSULT-III
Diagnostic item is detected when...
Reference
[P1814]
4WD DETECT SWITCH
Improper signal from wait detection
switch is input due to open or short cir-
cuit.
Condition
Display value
• Vehicle stopped
• Engine running
• A/T selector lever “N” position
• Brake pedal depressed
4WD shift switch: 4H and 4LO
ON
4WD shift switch: 2WD
OFF
Connector
Terminal
Condition
Voltage
(Approx.)
M165
17 -
Ground
• Vehicle stopped
• Engine running
• A/T selector lever
“N” position
• Brake pedal de-
pressed
4WD shift switch
: 4H and 4LO
0V
4WD shift switch: 2WD
Battery
voltage
SDIA3367E
2011 Pathfinder
DLN-220
< DTC/CIRCUIT DIAGNOSIS >
[TRANSFER: TX15B]
P1814 WAIT DETECTION SWITCH
YES
>> GO TO 5.
NO
>> GO TO 2.
2.
CHECK HARNESS BETWEEN TRANSFER CONTROL UNIT AND WAIT DETECTION SWITCH
1. Turn ignition switch “OFF”. (Stay for at least 5 seconds.)
2. Disconnect transfer control unit harness connector and the wait detection switch harness connector.
3. Check continuity between transfer control unit harness connec-
tor M165 terminal 17 and wait detection switch harness connec-
tor F73 terminal 10.
Also check harness for short to ground and short to power.
Is there continuity?
YES
>> GO TO 3.
NO
>> Repair or replace damaged parts.
3.
CHECK GROUND CIRCUIT
1. Turn ignition switch “OFF”. (Stay for at least 5 seconds.)
2. Disconnect wait detection switch harness connector.
3. Check continuity between wait detection switch harness con-
nector F73 terminal 11 and ground.
Also check harness for short to power.
Is there continuity?
YES >> GO TO 4.
NO
>> Repair open circuit or short to power in harness or con-
nectors.
4.
CHECK WAIT DETECTION SWITCH
1. Turn ignition switch “OFF”. (Stay for at least 5 seconds.)
2. Disconnect wait detection switch harness connector.
3. Remove wait detection switch. Refer to
DLN-198, "Component Parts Location"
.
4. Push and release wait detection switch and check continuity
between wait detection switch terminals 10 and 11.
Are the inspection results normal?
YES
>> GO TO 5.
NO
>> Replace wait detection switch.
5.
CHECK TRANSFER CONTROL UNIT
Check transfer control unit input/output signal. Refer to
Are the inspection results normal?
YES
>> GO TO 6.
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.
6.
CHECK DTC
Drive the vehicle and then perform self-diagnosis.
Is DTC P1814 displayed?
Continuity should exist.
SDIA3368E
Continuity should exist.
PDIA0207E
Terminal
Condition
Continuity
10 - 11
Push wait detection switch
Yes
Release wait detection switch
No
PDIA0208E
2011 Pathfinder
P1814 WAIT DETECTION SWITCH
DLN-221
< DTC/CIRCUIT DIAGNOSIS >
[TRANSFER: TX15B]
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YES
>> Replace transfer control unit. Refer to
DLN-277, "Removal and Installation"
NO
>> Inspection End.
Component Inspection
INFOID:0000000006245085
1. Turn ignition switch “OFF”. (Stay for at least 5 seconds.)
2. Disconnect wait detection switch harness connector.
3. Remove wait detection switch. Refer to
DLN-198, "Component Parts Location"
.
4. Push and release wait detection switch and check continuity
between wait detection switch terminals 10 and 11.
5. If the inspection results are abnormal replace the wait detection
switch.
Terminal
Condition
Continuity
10 - 11
Push wait detection switch
Yes
Release wait detection switch
No
PDIA0208E
2011 Pathfinder
DLN-222
< DTC/CIRCUIT DIAGNOSIS >
[TRANSFER: TX15B]
P1816 PNP SWITCH
P1816 PNP SWITCH
Description
INFOID:0000000006245086
The transmission range switch transmits the A/T position indicator signal (transmission range switch signal)
via CAN communication to the transfer control unit. DTC P1816 will set when the transmission range switch
signal is malfunctioning or there is a communication error.
DTC Logic
INFOID:0000000006245087
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
DTC CONFIRMATION PROCEDURE
1. Turn ignition switch ON.
2. Perform self-diagnosis.
Is DTC P1816 displayed?
YES
>> Perform diagnosis procedure. Refer to
DLN-222, "Diagnosis Procedure"
.
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000006245088
1.
CHECK DTC WITH TCM
Perform self-diagnosis with TCM. Refer to
TM-36, "CONSULT-III Function (TRANSMISSION)"
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
Is the inspection result normal?
YES
>> GO TO 3.
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.
3.
CHECK DTC
Drive the vehicle and then perform self-diagnosis.
Is DTC P1816 displayed?
YES
>> Perform self-diagnosis with TCM again.
NO
>> Inspection End.
DTC
CONSULT-III
Diagnostic item is detected when...
Reference
[P1816]
PNP SW/CIRC
When transmission range switch signal
is malfunction or communication error
between the modules.
2011 Pathfinder
P1817 ACTUATOR MOTOR
DLN-223
< DTC/CIRCUIT DIAGNOSIS >
[TRANSFER: TX15B]
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P1817 ACTUATOR MOTOR
Description
INFOID:0000000006245089
The actuator motor receives signals from the transfer control unit and controls shift rods which shift the trans-
fer case. DTC P1817 will set when any of the following occur:
• Motor does not operate properly due to open or short circuit in actuator motor.
• Malfunction is detected in the actuator motor. (When 4WD shift switch is operated and actuator motor does
not operate)
• Malfunction is detected in transfer shift high relay or transfer shift low relay.
DTC Logic
INFOID:0000000006245090
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
DTC CONFIRMATION PROCEDURE
1. Turn ignition switch ON.
2. Perform self-diagnosis.
Is DTC P1817 detected?
YES
>> Perform diagnosis procedure. Refer to
DLN-223, "Diagnosis Procedure"
.
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000006245091
Regarding Wiring Diagram information, refer to
1.
CHECK ACTUATOR MOTOR 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 “SHIFT ACT1”, “SHIFT AC MON1”, “SHIFT ACT2”, “SHIFT AC MON2”.
DTC
CONSULT-III
Diagnostic item is detected when...
Reference
[P1817]
SHIFT ACTUATOR
• Motor does not operate properly due
to open or short circuit in actuator mo-
tor.
• Malfunction is detected in the actuator
motor. (When 4WD shift switch is op-
erated and actuator motor is not oper-
ated)
• Malfunction is detected in transfer shift
high relay or transfer shift low relay.
2011 Pathfinder
DLN-224
< DTC/CIRCUIT DIAGNOSIS >
[TRANSFER: TX15B]
P1817 ACTUATOR MOTOR
Without CONSULT-III
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.
Monitored item
Condition
Display value
SHIFT ACT1
• Vehicle
stopped
• Engine run-
ning
• A/T selector
lever “N” po-
sition
• Brake pedal
depressed
4WD shift switch: 2WD to
4H or 4H to 4LO or 2WD to
4LO
ON
Except the above
OFF
SHIFT AC MON1
4WD shift switch: 2WD to
4H or 4H to 4LO or 2WD to
4LO
ON
Except the above
OFF
SHIFT ACT2
4WD shift switch: 4LO to
4H or 4H to 2WD or 4LO to
2WD
ON
Except the above
OFF
SHIFT AC MON2
4WD shift switch: 4LO to
4H or 4H to 2WD or 4LO to
2WD
ON
Except the above
OFF
Connector
Terminal
Condition
Voltage
(Approx.)
M165
28 -
Ground
When 4WD shift switch is operated (While
actuator motor is operating.)
Battery
voltage
→
0V
When 4WD shift switch is not operated
0V
31 -
Ground
Always
0V
42 -
Ground
• Vehicle
stopped
• Engine run-
ning
• A/T selector
lever “N” po-
sition
• Brake pedal
depressed
4WD shift switch: 2WD to
4H or 4H to 4LO or 2WD to
4LO
0V
Except the above
Battery
voltage
M165
47 -
Ground
• Vehicle
stopped
• Engine run-
ning
• A/T selector
lever “N” po-
sition
• Brake pedal
depressed
4WD shift switch: 2WD to
4H or 4H to 4LO or 2WD to
4LO
Battery
voltage
→
0V
Except the above
0V
48 -
Ground
4WD shift switch: 4LO to
4H or 4H to 2WD or 4LO to
2WD
Battery
voltage
→
0V
Except the above
0V
50 -
Ground
4WD shift switch: 4LO to
4H or 4H to 2WD or 4LO to
2WD
0V
Except the above
Battery
voltage
WDIA0144E
2011 Pathfinder
P1817 ACTUATOR MOTOR
DLN-225
< DTC/CIRCUIT DIAGNOSIS >
[TRANSFER: TX15B]
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Are the inspection results normal?
YES
>> GO TO 9.
NO
>> GO TO 2.
2.
CHECK ACTUATOR MOTOR POWER SUPPLY CIRCUIT
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 27 and ground.
4. Turn ignition switch “ON”.
5. Check voltage between transfer control unit harness connector
terminal 27 and ground.
Are the inspection results normal?
YES
>> GO TO 3.
NO
>> 1. Check harness for short or open between transfer
control unit harness connector M165 terminal 27
and transfer shut off relay 2 harness connector
E157 terminal 5 and 10A fuse (No. 57, located in the fuse and relay block). If any items are
damaged, repair or replace damaged parts.
2. Perform trouble diagnosis for power supply circuit. Refer to
DLN-206, "Diagnosis Procedure"
.
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
DLN-198, "Component Parts Loca-
3. Check voltage between transfer shift high and transfer shift low
relay connector terminals and ground.
Connector
Terminal
Voltage (Approx.)
M165
27 - Ground
0V
SDIA2808E
Connector
Terminal
Voltage (Approx.)
M165
27 - Ground
Battery voltage
SDIA2807E
Connector
Terminal
Voltage (Approx.)
E44
2 - Ground
0V
E43
2 - Ground
0V
SDIA3384E
2011 Pathfinder
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