Nissan Titan A60. Instruction — part 731
MWI-38
< DTC/CIRCUIT DIAGNOSIS >
FUEL LEVEL SENSOR SIGNAL CIRCUIT
3. Check continuity between fuel level sensor unit and fuel pump harness connector (A) and ground.
Is the inspection result normal?
YES
>> GO TO 3
NO
>> Repair harness or connector.
3.
CHECK FUEL LEVEL SENSOR UNIT GROUND CIRCUIT
1. Check continuity between combination meter harness connector
(B) and fuel level sensor unit and fuel pump harness connector
(A).
2. Check continuity between fuel level sensor unit and fuel pump
harness connector (A) and ground.
Is the inspection result normal?
YES
>> GO TO 4
NO
>> Repair harness or connector.
4.
CHECK INSTALLATION CONDITION
Check fuel level sensor unit installation, and check whether the float arm interferes or binds with any of the
internal components in the fuel tank.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Install the fuel level sensor unit properly.
Component Inspection
INFOID:0000000006164921
1.
REMOVE FUEL LEVEL SENSOR UNIT
Remove the fuel level sensor unit. Refer to
FL-11, "Removal and Installation"
>> GO TO 2
2.
CHECK FUEL LEVEL SENSOR UNIT AND FUEL PUMP
A
Ground
Continuity
Connector
Terminal
C7 (with
Flexible Fuel)
C5 (without
Flexible Fuel)
2
No
A
B
Continuity
Connector
Terminal
Connector
Terminal
C7 (with
Flexible Fuel)
C5 (without
Flexible Fuel)
5
M24
16
Yes
A
Ground
Continuity
Connector
Terminal
C7 (with
Flexible Fuel)
C5 (without
Flexible Fuel)
5
No
WKIA4618E
MWI
FUEL LEVEL SENSOR SIGNAL CIRCUIT
MWI-39
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
Check the resistance between terminals 2 and 5.
*1 and *2: When float arm is in contact with stopper.
Is inspection result normal?
YES
>> Inspection End.
NO
>> Replace fuel level sensor unit and fuel pump. Refer to
FL-11, "Removal and Installation"
Terminal
Float position
mm (in)
Resistance value
(Approx.)
2
5
*1
Empty
7.5 (0.3)
80
Ω
*2
Full
218.9 (8.6)
6
Ω
LKIA0402E
MWI-40
< DTC/CIRCUIT DIAGNOSIS >
OIL PRESSURE SWITCH SIGNAL CIRCUIT
OIL PRESSURE SWITCH SIGNAL CIRCUIT
Description
INFOID:0000000006164922
Detects the engine oil pressure and transmits the oil pressure switch signal to the IPDM E/R.
Component Function Check
INFOID:0000000006164923
1.
COMBINATION METER INPUT SIGNAL
1. Select “METER/M&A” on CONSULT-III.
2. Monitor “OIL W/L” of “DATA MONITOR” while operating ignition switch.
>> Inspection End.
Diagnosis Procedure
INFOID:0000000006164924
Regarding Wiring Diagram information, refer to
.
1.
CHECK OIL PRESSURE SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R connector E122 and oil pressure switch
connector F4.
3. Check continuity between IPDM E/R harness connector E122
(A) terminal 42 and oil pressure switch harness connector F4 (B)
terminal 1.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Repair harness or connector.
Component Inspection
INFOID:0000000006164925
1.
CHECK OIL PRESSURE SWITCH
Check continuity between oil pressure switch and ground.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Replace the oil pressure switch.
OIL W/L
When ignition switch is in ON
position (Engine stopped)
: ON
When engine is running
: OFF
Continuity should exist.
WKIA5607E
Condition
Oil pressure [kPa (kg/cm
2
, psi)]
Continuity
Engine stopped
Less than 29 (0.3, 4)
Yes
Engine running
More than 29 (0.3, 4)
No
ELF0044D
MWI
PARKING BRAKE SWITCH SIGNAL CIRCUIT
MWI-41
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
PARKING BRAKE SWITCH SIGNAL CIRCUIT
Description
INFOID:0000000006164926
Transmits the parking brake switch signal to the combination meter.
Component Function Check
INFOID:0000000006164927
1.
COMBINATION METER INPUT SIGNAL
1. Start engine.
2. Monitor “BRAKE” warning lamp while applying and releasing the parking brake.
>> Inspection End.
Diagnosis Procedure
INFOID:0000000006164928
Regarding Wiring Diagram information, refer to
.
1.
CHECK PARKING BRAKE SWITCH CIRCUIT
1. Disconnect combination meter connector and parking brake
switch connector.
2. Check continuity between combination meter harness connector
M24 (A) terminal 23 and parking brake switch harness connec-
tor M11 (B) terminal 1.
3. Check continuity between combination meter harness connector
M24 (A) terminal 23 and ground.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Repair harness or connector.
Component Inspection
INFOID:0000000006164929
1.
CHECK PARKING BRAKE SWITCH
Check continuity between parking brake switch terminal 1 and switch
case ground.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Replace parking brake switch.
BRAKE warning lamp
Parking brake applied
: ON
Parking brake released
: OFF
23 - 1
: Continuity should exist.
23 - Ground
: Continuity should not exist.
AWNIA0109ZZ
Component
Terminal
Condition
Continuity
Parking brake switch
1
Parking brake applied
Yes
Parking brake released
No
AWNIA0018ZZ
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