check oil INFINITI QX56 2009 Factory Repair Manual

INFINITI QX56 2009 Factory Repair Manual QX56 2009 INFINITI INFINITI https://www.carmanualsonline.info/img/42/57031/w960_57031-0.png INFINITI QX56 2009 Factory Repair Manual

Page 1398 of 4171

INFINITI QX56 2009  Factory Repair Manual 
ON BOARD DIAGNOSTIC (OBD) SYSTEMEC-71
< FUNCTION DIAGNOSIS > [VK56DE]
C
D
E
F
G H
I
J
K L
M A
EC
NP
O
*: Leaving cooling fan OFF with CONSULT-III while engine is running may cause the engine to overh

Page 1404 of 4171

INFINITI QX56 2009  Factory Repair Manual 
TROUBLE DIAGNOSIS - SPECIFICATION VALUEEC-77
< COMPONENT DIAGNOSIS > [VK56DE]
C
D
E
F
G H
I
J
K L
M A
EC
NP
O
Check “A/F ALPHA-B1”, “A/F ALPHA-B2” for approximat
ely 1 minute because they may

Page 1405 of 4171

INFINITI QX56 2009  Factory Repair Manual 
EC-78
< COMPONENT DIAGNOSIS >[VK56DE]
TROUBLE DIAGNOSIS - SPECIFICATION VALUE
>> GO TO 8.
8.CHECK “A/F ALPHA-B1”, “A/F ALPHA-B2”
1. Start engine.
2. Select “A/F ALPHA-B1”, “A/F AL PHA-B

Page 1406 of 4171

INFINITI QX56 2009  Factory Repair Manual 
TROUBLE DIAGNOSIS - SPECIFICATION VALUEEC-79
< COMPONENT DIAGNOSIS > [VK56DE]
C
D
E
F
G H
I
J
K L
M A
EC
NP
O
OK >>
INSPECTION END
NG >> GO TO 15.
15.DISCONNECT AND RECONNECT  ECM HARNESS CONNECTOR
1

Page 1408 of 4171

INFINITI QX56 2009  Factory Repair Manual 
TROUBLE DIAGNOSIS - SPECIFICATION VALUEEC-81
< COMPONENT DIAGNOSIS > [VK56DE]
C
D
E
F
G H
I
J
K L
M A
EC
NP
O
 Disconnection, looseness, and cracks in air duct
 Looseness of oil filler cap
 Discon

Page 1415 of 4171

INFINITI QX56 2009  Factory Repair Manual 
EC-88
< COMPONENT DIAGNOSIS >[VK56DE]
P0011, P0021 IVT CONTROL
4. Maintain the following conditions for at least 20 consecutive seconds.
5. Check 1st trip DTC.
6. If 1st trip DTC is detected, go to

Page 1427 of 4171

INFINITI QX56 2009  Factory Repair Manual 
EC-100
< COMPONENT DIAGNOSIS >[VK56DE]
P0075, P0081 IVT CONTROL SOLENOID VALVE
P0075, P0081 IVT CONTROL SOLENOID VALVE
Component DescriptionINFOID:0000000003771348
Intake valve timing control solenoi

Page 1429 of 4171

INFINITI QX56 2009  Factory Repair Manual 
EC-102
< COMPONENT DIAGNOSIS >[VK56DE]
P0075, P0081 IVT CONTROL SOLENOID VALVE
2. Check resistance between intake valve timing control solenoid
valve terminals as follows.
If NG, replace intake valve

Page 1500 of 4171

INFINITI QX56 2009  Factory Repair Manual 
P0171, P0174 FUEL INJECTION SYSTEM FUNCTION
EC-173
< COMPONENT DIAGNOSIS > [VK56DE]
C
D
E
F
G H
I
J
K L
M A
EC
NP
O
2. Listen to each fuel injector operating sound.
OK or NG
OK >> GO TO 8.
NG >> Perf

Page 1505 of 4171

INFINITI QX56 2009  Factory Repair Manual 
EC-178
< COMPONENT DIAGNOSIS >[VK56DE]
P0172, P0175 FUEL INJECTION SYSTEM FUNCTION
2. Listen to each fuel injector operating sound.
OK or NG
OK >> GO TO 8.
NG >> Perform trouble diagnosis for FUEL IN