Nissan Frontier. Instruction — part 343
DLN-274
< SYSTEM DESCRIPTION >
[REAR FINAL DRIVE: M226 (ELD) ]
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
NVH Troubleshooting Chart
INFOID:0000000009479818
Use the chart below to help you find the cause of the symptom. If necessary, repair or replace these parts.
×: Applicable
Reference page
Possible cause and SUSPECTED PARTS
Ge
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pro
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To
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es
worn
Ba
ckl
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ncorre
ct
Com
pa
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on
fla
ng
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xce
ss
iv
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ut
G
ea
r oi
l im
p
rop
er
PROPELLER SHAF
T
REAR AXLE
REAR SUSPE
NSION
TIRES
ROA
D
WHEEL
AXLE SHAFT
BRAKES
STEERI
N
G
Symptom
Noise
×
×
×
×
×
×
×
×
×
×
×
×
×
×
U1000 CAN COMM CIRCUIT
DLN-275
< DTC/CIRCUIT DIAGNOSIS >
[REAR FINAL DRIVE: M226 (ELD) ]
C
E
F
G
H
I
J
K
L
M
A
B
DLN
N
O
P
DTC/CIRCUIT DIAGNOSIS
U1000 CAN COMM CIRCUIT
Description
INFOID:0000000009479819
CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle mul-
tiplex communication line with high data communication speed and excellent error detection ability. Many elec-
tronic control units are equipped onto a vehicle and each control unit shares information and links with other
control units during operation (not independent). In CAN communication, control units are connected with 2
communication lines (CAN-H, CAN-L) allowing a high rate of information transmission with less wiring. Each
control unit transmits/receives data but selectively reads required data only.
CAN Communication Signal Chart. Refer to
LAN-54, "CAN Communication Signal Chart"
DTC Logic
INFOID:0000000009479820
DTC DETECTION LOGIC
Diagnosis Procedure
INFOID:0000000009479821
1.
PERFORM SELF DIAGNOSTIC
1. Turn ignition switch ON and wait for 2 seconds or more.
2. Check “Self Diagnostic Result” of differential lock control unit.
Is “CAN COMM CIRCUIT” displayed?
YES
>> Refer to
LAN-14, "Trouble Diagnosis Flow Chart"
NO
>> Refer to
GI-42, "Intermittent Incident"
.
DTC
Display contents of CON-
SULT
Diagnostic item is detected when ...
Probable malfunction location
U1000
CAN COMM CIRCUIT
When differential lock control unit is not trans-
mitting or receiving CAN communication signal
for 2 seconds or more.
CAN communication system
DLN-276
< DTC/CIRCUIT DIAGNOSIS >
[REAR FINAL DRIVE: M226 (ELD) ]
P1833 INITIAL START
P1833 INITIAL START
Description
INFOID:0000000009479822
Self-diagnosis memory function was suspended due to low battery voltage at the differential lock control unit.
DTC Logic
INFOID:0000000009479823
Diagnosis Procedure
INFOID:0000000009479824
Regarding Wiring Diagram information, refer to
1.
CHECK DIFFERENTIAL LOCK CONTROL UNIT POWER SUPPLY
1. Turn ignition switch OFF.
2. Disconnect differential lock control unit harness connector.
3. Turn ignition switch ON.
4. Check voltage between differential lock control unit harness
connector M70 terminals 1, 2, 15 and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Check fuse. Repair harness or connectors.
2.
CHECK DIFFERENTIAL LOCK CONTROL UNIT GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check continuity between differential lock control unit harness
connector M70 terminals 3, 10 and ground.
Is the inspection result normal?
YES
>> Power and ground supply is normal.
NO
>> Repair harness or connectors.
DTC
Display contents of CONSULT
DTC Detection Condition
Action to take
P1833
INITIAL START [P1833]
Low battery voltage available to the differential lock con-
trol unit.
Check differential lock con-
trol unit power supply and
ground circuit. Refer to
(+)
(-)
Voltage (Approx.)
Connector
Terminal
M70
1
Ground
Battery voltage
2
15
SDIA2563E
Connector
Terminal
—
Continuity
M70
3
Ground
Yes
10
SDIA2564E
P1834 CONTROL UNIT 1
DLN-277
< DTC/CIRCUIT DIAGNOSIS >
[REAR FINAL DRIVE: M226 (ELD) ]
C
E
F
G
H
I
J
K
L
M
A
B
DLN
N
O
P
P1834 CONTROL UNIT 1
Description
INFOID:0000000009479825
Replace the differential lock control unit if this DTC is displayed. Refer to
DLN-311, "Removal and Installation"
.
DTC Logic
INFOID:0000000009479826
DTC
Display contents of CONSULT
DTC Detection Condition
Action to take
P1834
CONTROL UNIT 1
[P1834]
A malfunction is detected in the memory (RAM) of the dif-
ferential lock control unit.
Replace differential lock
control unit. Refer to
311, "Removal and Installa-
tion"
.
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