Infiniti QX56 (Z62). Manual — part 914
LAN
ITS COMMUNICATION CIRCUIT
LAN-233
< DTC/CIRCUIT DIAGNOSIS >
[CAN SYSTEM (TYPE 4)]
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5.
CHECK HARNESS CONTINUITY (SHORT CIRCUIT)
Check the continuity between the ADAS control unit harness connector and the ground.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Check the harness and repair the root cause.
6.
CHECK TERMINATION CIRCUIT
1.
Remove the ADAS control unit and the ICC sensor.
2.
Check the resistance between the ADAS control unit terminals.
3.
Check the resistance between the ICC sensor terminals.
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> Replace the ADAS control unit and/or the ICC sensor.
7.
CHECK SYMPTOM
Connect all the connectors. Check if the symptoms described in the “Symptom (Results from interview with
customer)” are reproduced.
Inspection result
Reproduced>>GO TO 8.
Non-reproduced>>Start the diagnosis again. Follow the trouble diagnosis procedure when past error is
detected.
8.
CHECK UNIT REPRODUCTION
Perform the reproduction test as per the following procedure for each unit.
1.
Turn the ignition switch OFF.
2.
Disconnect the battery cable from the negative terminal.
3.
Disconnect one of the unit connectors of ITS communication circuit.
NOTE:
ADAS control unit and ICC sensor have a termination circuit. Check other units first.
4.
Connect the battery cable to the negative terminal. Check if the symptoms described in the “Symptom
(Results from interview with customer)” are reproduced.
NOTE:
Although unit-related error symptoms occur, do not confuse them with other symptoms.
Inspection result
Reproduced>>Connect the connector. Check other units as per the above procedure.
Non-reproduced>>Replace the unit whose connector was disconnected.
ADAS control unit harness connector
Ground
Continuity
Connector No.
Terminal No.
B61
7
Not existed
8
Not existed
ADAS control unit
Resistance (
Ω
)
Terminal No.
7
8
Approx. 108 – 132
ICC sensor
Resistance (
Ω
)
Terminal No.
3
6
Approx. 108 – 132
LU-1
ENGINE
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SECTION
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CONTENTS
ENGINE LUBRICATION SYSTEM
PRECAUTION . . . . . . . . . . . ...
PRECAUTIONS . . . . . . . . . . . . ...
Liquid Gasket . . . . . . . . . . . . . . ...
PREPARATION . . . . . . . . . . .
PREPARATION . . . . . . . . . . . . ...
Special Service Tool . . . . . . . . . . . .....
Commercial Service Tool . . . . . . . . . . ..
SYSTEM DESCRIPTION . . . . . . . ..
LUBRICATION SYSTEM . . . . . . . . .
Engine Lubrication System . . . . . . . . . ...
Engine Lubrication System Schematic . . . . . ..
PERIODIC MAINTENANCE . . . . . . ..
ENGINE OIL . . . . . . . . . . . . . .
Inspection . . . . . . . . . . . . . . . . ..
Draining . . . . . . . . . . . . . . . . .....
Refilling . . . . . . . . . . . . . . . . .....
OIL FILTER . . . . . . . . . . . . . . .
Removal and Installation . . . . . . . . . . ...
Inspection . . . . . . . . . . . . . . . . .
REMOVAL AND INSTALLATION . . . ...
OIL COOLER . . . . . . . . . . . . .
Exploded View . . . . . . . . . . . . . . .
Removal and Installation . . . . . . . . . . .
Inspection . . . . . . . . . . . . . . . .
OIL PUMP . . . . . . . . . . . . . . .
Exploded View . . . . . . . . . . . . . . .
Removal and Installation . . . . . . . . . . .
Disassembly and Assembly . . . . . . . . . .
Inspection . . . . . . . . . . . . . . . .
SERVICE DATA AND SPECIFICATIONS
(SDS) . . . . . . . . . . . . . . .
SERVICE DATA AND SPECIFICATIONS
(SDS) . . . . . . . . . . . . . . . . .
Periodical Maintenance Specification . . . . . ..
Engine Oil Pressure . . . . . . . . . . . ...
Oil Pump . . . . . . . . . . . . . . . . .
LU-2
< PRECAUTION >
PRECAUTIONS
PRECAUTION
PRECAUTIONS
Liquid Gasket
INFOID:0000000006289611
LIQUID GASKET APPLICATION PROCEDURE
1.
Remove old liquid gasket adhering to the liquid gasket application surface and the mating surface.
• Remove liquid gasket completely from the liquid gasket application surface, mounting bolts, and bolt
holes.
2.
Wipe the liquid gasket application surface and the mating surface with white gasoline (lighting and heating
use) to remove adhering moisture, grease and foreign materials.
3.
Apply liquid gasket to the liquid gasket application surface.
Use Genuine RTV Silicone Sealant or equivalent. Refer to
GI-22, "Recommended Chemical Prod-
.
• Within five minutes of liquid gasket application, install the mating component.
• If liquid gasket protrudes, wipe it off immediately.
• Do not retighten mounting bolts or nuts after the installation.
• After 30 minutes or more have passed from the installation, fill engine oil and engine coolant.
PREPARATION
LU-3
< PREPARATION >
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PREPARATION
PREPARATION
Special Service Tool
INFOID:0000000006289612
Commercial Service Tool
INFOID:0000000006289613
Tool number
(Kent-Moore No.)
Tool name
Description
ST25051001
(J-25695-1)
Oil pressure gauge
Measuring oil pressure
Maximum measuring range:
2,452 kPa (25 kg/cm
2
, 356 psi)
ST25052000
(J-25695-2)
Hose
Adapting oil pressure gauge to cylinder block
KV10111100
(J-37228)
Seal cutter
Removing steel oil pan and rear timing chain
case
KV10115801
(J-38956)
Oil filter wrench
Removing and installing oil filter
a: 64.3 mm (2.531 in)
S-NT050
S-NT559
NT046
S-NT375
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