Nissan Frontier D40. Manual — part 257
P1818 ACTUATOR POSITION SWITCH
DLN-49
< COMPONENT DIAGNOSIS >
[TRANSFER: TX15B]
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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.
Are the inspection results normal?
YES
>> GO TO 4.
NO
>> GO TO 2.
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.
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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 con-
nector F58 terminal 25.
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.)
Connector
Terminal
Condition
Voltage
(Approx.)
M152
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
SDIA3369E
Continuity should exist.
SDIA3370E
DLN-50
< COMPONENT DIAGNOSIS >
[TRANSFER: TX15B]
P1818 ACTUATOR POSITION SWITCH
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.
Is there continuity?
YES
>> GO TO 4.
NO
>> 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
Are the 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
Perform the self-diagnosis, after driving a vehicle for a while.
Is DTC P1818 displayed?
YES
>> Replace transfer control device. Refer to
DLN-99, "Removal and Installation"
.
NO
>> Inspection End.
Continuity should exist.
SDIA2815E
P1819 TRANSFER CONTROL DEVICE
DLN-51
< COMPONENT DIAGNOSIS >
[TRANSFER: TX15B]
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P1819 TRANSFER CONTROL DEVICE
Description
INFOID:0000000005275452
The transfer control device integrates the actuator motor and actuator position switch. DTC P1819 will set if
either of the following conditions exist:
• Malfunction occurs in transfer control device drive circuit.
• Malfunction is detected in transfer shut off relay 1 and transfer shut off relay 2.
DTC Logic
INFOID:0000000005275453
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
DTC CONFIRMATION PROCEDURE
1.
Turn ignition switch ON.
2.
Perform self-diagnosis.
Is DTC P1819 detected?
YES
>> Perform diagnosis procedure. Refer to
.
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000005275454
Regarding Wiring Diagram information, refer to
.
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.
DTC
CONSULT-III
Diagnostic item is detected when...
Reference
[P1819]
SHIFT ACT CIR
• Malfunction is detected in transfer
shut off relay 1 and transfer shut off re-
lay 2.
• Malfunction occurs in transfer control
device drive circuit.
Connector
Terminal
Voltage (Approx.)
M152
25 - Ground
0V
M153
27 - Ground
SDIA3371E
DLN-52
< COMPONENT DIAGNOSIS >
[TRANSFER: TX15B]
P1819 TRANSFER CONTROL DEVICE
4.
Turn ignition switch “ON”. (Do not start engine.)
5.
Check voltage between transfer control unit harness connector
terminals and ground.
Are the inspection results normal?
YES
>> GO TO 2.
NO
>>
Check the following. If any items are damaged, repair
or replace damaged parts.
• 10A fuse (No. 57, located in the fuse and relay box).
• 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.
• Transfer shut off relay 1. Refer to
DLN-23, "Component Inspection"
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.
Is there continuity?
YES
>> GO TO 3.
NO
>> 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.
Connector
Terminal
Voltage (Approx.)
M152
25 - Ground
Battery voltage
M153
27 - Ground
SDIA3372E
Continuity should exist.
SDIA2818E
Connector
Terminal
Voltage (Approx.)
M153
40 - Ground
Battery voltage
SDIA2819E
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