steering INFINITI QX56 2011 Factory Service Manual

INFINITI QX56 2011 Factory Service Manual QX56 2011 INFINITI INFINITI https://www.carmanualsonline.info/img/42/57033/w960_57033-0.png INFINITI QX56 2011 Factory Service Manual

Page 2090 of 5598

INFINITI QX56 2011  Factory Service Manual 
EC-66
< SYSTEM DESCRIPTION >[VK56VD]
DIAGNOSIS SYSTEM (ECM)
A/F ALPHA-B1
% The mean value of the air-fuel ratio feedback cor-
rection factor per cycle is indicated.  When the engine is stopped, 
a

Page 2097 of 5598

INFINITI QX56 2011  Factory Service Manual 
ECM
EC-73
< ECU DIAGNOSIS INFORMATION > [VK56VD]
C
D
E
F
G H
I
J
K L
M A
EC
NP
O
TP SEN 1-B1
 Ignition switch: ON
(Engine stopped)
 Selector lever: D position Accelerator pedal: Fully released More

Page 2105 of 5598

INFINITI QX56 2011  Factory Service Manual 
ECM
EC-81
< ECU DIAGNOSIS INFORMATION > [VK56VD]
C
D
E
F
G H
I
J
K L
M A
EC
NP
O
23
(V) 45
(L/O) Low fuel pressure sensor Input [Engine is running]
 Warm-up condition
 Idle speed
2.4 - 3.6 V
[Engin

Page 2106 of 5598

INFINITI QX56 2011  Factory Service Manual 
EC-82
< ECU DIAGNOSIS INFORMATION >[VK56VD]
ECM
37
(V) 175
(B) Cooling fan speed Input [Ignition switch: ON]
 Engine stopped
5 V
[Engine is running]
 Idle speed
 After warm-up condition BATTERY VO

Page 2114 of 5598

INFINITI QX56 2011  Factory Service Manual 
EC-90
< ECU DIAGNOSIS INFORMATION >[VK56VD]
ECM
111
(R) 175
(B) Fuel injector driver power supply Input [Ignition  switch:  ON]
BATTERY VOLTAGE
(11 - 14 V)
11 2
(SB) 175
(B) Fuel injector driver powe

Page 2115 of 5598

INFINITI QX56 2011  Factory Service Manual 
ECM
EC-91
< ECU DIAGNOSIS INFORMATION > [VK56VD]
C
D
E
F
G H
I
J
K L
M A
EC
NP
O
128
(Y) 175
(B) ICC steering switch Input [Ignition switch: ON]
 ICC steering switch: OFF
4.2 V
[Ignition switch: ON]

Page 2122 of 5598

INFINITI QX56 2011  Factory Service Manual 
EC-98
< ECU DIAGNOSIS INFORMATION >[VK56VD]
ECM
NOTE:
*: If “P1197” is displayed with other DTC in priority 1, perform trouble diagnosis for “P1197” first.
DTC IndexINFOID:0000000006217733
×

Page 2163 of 5598

INFINITI QX56 2011  Factory Service Manual 
BASIC INSPECTIONEC-139
< BASIC INSPECTION > [VK56VD]
C
D
E
F
G H
I
J
K L
M A
EC
NP
O
BASIC INSPECTION
Work ProcedureINFOID:0000000006217739
1.INSPECTION START
1. Check service records for any recent

Page 2172 of 5598

INFINITI QX56 2011  Factory Service Manual 
EC-148
< BASIC INSPECTION >[VK56VD]
IDLE AIR VOLUME LEARNING
IDLE AIR VOLUME LEARNING
DescriptionINFOID:0000000006217750
Idle Air Volume Learning is a function of ECM to learn 
the idle air volume th

Page 2185 of 5598

INFINITI QX56 2011  Factory Service Manual 
TROUBLE DIAGNOSIS - SPECIFICATION VALUEEC-161
< DTC/CIRCUIT DIAGNOSIS > [VK56VD]
C
D
E
F
G H
I
J
K L
M A
EC
NP
O
DTC/CIRCUIT DIAGNOSIS
TROUBLE DIAGNOSIS - SPECIFICATION VALUE
DescriptionINFOID:000000