Nissan Frontier D40. Instruction — part 314
P1835 CONTROL UNIT 2
DLN-277
< COMPONENT DIAGNOSIS >
[REAR FINAL DRIVE: M226 (ELD) ]
C
E
F
G
H
I
J
K
L
M
A
B
DLN
N
O
P
P1835 CONTROL UNIT 2
Description
INFOID:0000000005275595
Replace the differential lock control unit if this DTC is displayed. Refer to
DLN-310, "Removal and Installation"
.
DTC Logic
INFOID:0000000005275596
DTC
Display contents of CONSULT-III
DTC Detection Condition
Action to take
P1835
CONTROL UNIT 2
[P1835]
A malfunction is detected in the memory (ROM) of the dif-
ferential lock control unit.
Replace differential lock
control unit. Refer to
310, "Removal and Installa-
tion"
.
DLN-278
< COMPONENT DIAGNOSIS >
[REAR FINAL DRIVE: M226 (ELD) ]
P1836 CONTROL UNIT 3
P1836 CONTROL UNIT 3
Description
INFOID:0000000005275597
Replace the differential lock control unit if this DTC is displayed. Refer to
DLN-310, "Removal and Installation"
.
DTC Logic
INFOID:0000000005275598
DTC
Display contents of CONSULT-III
DTC Detection Condition
Action to take
P1836
CONTROL UNIT 3
[P1836]
A malfunction is detected in the memory (EEPROM) of
the differential lock control unit.
Replace differential lock
control unit. Refer to
310, "Removal and Installa-
tion"
.
P1837 CONTROL UNIT 4
DLN-279
< COMPONENT DIAGNOSIS >
[REAR FINAL DRIVE: M226 (ELD) ]
C
E
F
G
H
I
J
K
L
M
A
B
DLN
N
O
P
P1837 CONTROL UNIT 4
Description
INFOID:0000000005275599
Replace the differential lock control unit if this DTC is displayed. Refer to
DLN-310, "Removal and Installation"
.
DTC Logic
INFOID:0000000005275600
DTC
Display contents of CONSULT-III
DTC Detection Condition
Action to take
P1837
CONTROL UNIT 4
[P1837]
The AD converter system of the differential lock control
unit is malfunctioning.
Replace differential lock
control unit. Refer to
310, "Removal and Installa-
tion"
.
DLN-280
< COMPONENT DIAGNOSIS >
[REAR FINAL DRIVE: M226 (ELD) ]
P1838 ON SWITCH
P1838 ON SWITCH
Description
INFOID:0000000005275601
The differential lock mode switch sends differential lock ON/OFF request signals to the differential lock control
unit.
DTC Logic
INFOID:0000000005275602
Diagnosis Procedure
INFOID:0000000005275603
Regarding Wiring Diagram information, refer to
1.
CHECK DIFFERENTIAL LOCK MODE SWITCH OPERATION
1.
Turn ignition switch ON.
2.
Using CONSULT-III, select “D-LOCK SW SIG” of DIFF LOCK data monitor items.
3.
While operating the differential lock mode switch, check that the display value changes between ON/OFF.
Is the inspection result normal?
YES
>> Differential lock mode switch is operating properly.
NO
>> GO TO 2.
2.
CHECK DIFFERENTIAL LOCK MODE SWITCH POWER SUPPLY CIRCUIT
1.
Disconnect differential lock mode switch harness connector.
2.
Turn ignition switch ON.
3.
Check voltage between differential lock mode switch harness
connector M149 terminal 3 and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair harness or connector.
3.
CHECK DIFFERENTIAL LOCK MODE SWITCH SIGNAL
DTC
Display contents of CONSULT-III
DTC Detection Condition
Action to take
P1838
ON SW
[P1838]
Two switch inputs were simultaneously detected due to a
short circuit in the differential lock mode switch.
Inspect the differential lock
mode switch. Refer to
.
Switch ON
Display item ON
Switch OFF
Display item OFF
(+)
(-)
Voltage (Approx.)
Connector
Terminal
M149
3
Ground
Battery voltage
SDIA2534E
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