Infiniti FX35, FX50 (S51). Manual — part 909
ECM
EC-1177
< ECU DIAGNOSIS INFORMATION >
[VK50VE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
P0605
ECM
(When ECM calculation function is malfunctioning:)
ECM stops the electric throttle control actuator control, throttle valve is maintained at a
fixed opening (approx. 5 degrees) by the return spring.
ECM deactivates ASCD operation.
P0607
ECM
VVEL actuator motor relay is turned off, and VVEL value is become at a minimum angle.
Engine speed will not rise more than 3,500 rpm due to the fuel cut.
P0643
Sensor power supply
ECM stops the electric throttle control actuator control, throttle valve is maintained at a
fixed opening (approx. 5 degrees) by the return spring.
P1087
P1088
VVEL control function
VVEL of normal bank is controlled at VVEL angle of abnormal bank.
Engine speed will not rise more than 3,500 rpm due to the fuel cut.
P1089
P1092
VVEL control shaft position
sensor
VVEL value is maintained at a fixed angle.
Engine speed will not rise more than 3,500 rpm due to the fuel cut
P1608
VVEL control shaft position
sensor
VVEL actuator motor relay is turned off, and VVEL value is become at a minimum angle.
Engine speed will not rise more than 3,500 rpm due to the fuel cut.
P1090
P1093
VVEL actuator motor
VVEL of normal bank is controlled at VVEL angle of abnormal bank.
Engine speed will not rise more than 3,500 rpm due to the fuel cut.
VVEL actuator motor relay is turned off, and VVEL value is become at a minimum angle.
Engine speed will not rise more than 3,500 rpm due to the fuel cut.
P1091
VVEL actuator motor relay
VVEL actuator motor relay is turned off, and VVEL value is become at a minimum angle.
Engine speed will not rise more than 3,500 rpm due to the fuel cut.
P1233
P2101
Electric throttle control
function
ECM stops the electric throttle control actuator control, throttle valve is maintained at a
fixed opening (approx. 5 degrees) by the return spring.
P1236
P2118
Throttle control motor
ECM stops the electric throttle control actuator control, throttle valve is maintained at a
fixed opening (approx. 5 degrees) by the return spring.
P1238
P2119
Electric throttle control ac-
tuator
(When electric throttle control actuator does not function properly due to the return spring
malfunction:)
ECM controls the electric throttle actuator by regulating the throttle opening around the
idle position. The engine speed will not rise more than 2,000 rpm.
(When throttle valve opening angle in fail-safe mode is not in specified range:)
ECM controls the electric throttle control actuator because of regulating the throttle open-
ing to 20 degrees or less.
(When ECM detects the throttle valve is stuck open:)
While the vehicle is being driven, it slows down gradually by fuel cut. After the vehicle
stops, the engine stalls.
The engine can restart in the N or P position, and engine speed will not exceed 1,000 rpm
or more.
P1290
P2100
P2103
Throttle control motor relay
ECM stops the electric throttle control actuator control, throttle valve is maintained at a
fixed opening (approx. 5 degrees) by the return spring.
P1606
VVEL control module
VVEL actuator motor relay is turned off, and VVEL value is become at a minimum angle.
Engine speed will not rise more than 3,500 rpm due to the fuel cut.
P1805
Brake switch
ECM controls the electric throttle control actuator by regulating the throttle opening to a
small range.
Therefore, acceleration will be poor.
Vehicle condition
Driving condition
When engine is idling
Normal
When accelerating
Poor acceleration
P2122
P2123
P2127
P2128
P2138
Accelerator pedal position
sensor
The ECM controls the electric throttle control actuator in regulating the throttle opening in
order for the idle position to be within +10 degrees.
The ECM regulates the opening speed of the throttle valve to be slower than the normal
condition.
Therefore, the acceleration will be poor.
DTC No.
Detected items
Engine operating condition in fail-safe mode
EC-1178
< ECU DIAGNOSIS INFORMATION >
[VK50VE]
ECM
DTC Inspection Priority Chart
INFOID:0000000005237651
If some DTCs are displayed at the same time, perform inspections one by one based on the following priority
chart.
Priority
Detected items (DTC)
1
• U0101 CAN communication line
• U0113 U1003 CAN communication line
• U1001 CAN communication line
• U1024 VVEL CAN communication line
• P006A P0101 P0102 P0103 P010B P010C P010D Mass air flow sensor
• P0112 P0113 P0127 Intake air temperature sensor
• P0116 P0117 P0118 P0125 Engine coolant temperature sensor
• P0122 P0123 P0222 P0223 P0227 P0228 P1225 P1226 P1234 P1235 P1239 P2132 P2133 P2135 Throttle position sensor
• P0128 Thermostat function
• P0181 P0182 P0183 Fuel tank temperature sensor
• P0196 P0197 P0198 Engine oil temperature sensor
• P0327 P0328 P0332 P0333 Knock sensor
• P0335 Crankshaft position sensor
• P0340 P0345 Camshaft position sensor
• P0460 P0461 P0462 P0463 Fuel level sensor
• P0500 Vehicle speed sensor
• P0605 P0607 ECM
• P0643 Sensor power supply
• P0705 P0850 Park/neutral position (PNP) switch
• P1089 P1092 P1608 VVEL control shaft position sensor
• P1220 Fuel pump control module (FPCM)
• P1550 P1551 P1552 P1553 P1554 Battery current sensor
• P1606 P1607 VVEL control module
• P1610 - P1615 NATS
• P1806 Brake booster pressure sensor
• P2122 P2123 P2127 P2128 P2138 Accelerator pedal position sensor
ECM
EC-1179
< ECU DIAGNOSIS INFORMATION >
[VK50VE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
DTC Index
INFOID:0000000005237652
×
:Applicable —: Not applicable
2
• P0031 P0032 P0051 P0052 Air fuel ratio (A/F) sensor 1 heater
• P0037 P0038 P0057 P0058 Heated oxygen sensor 2 heater
• P0075 P0081 Intake valve timing control solenoid valve
• P0078 P0084 Exhaust valve timing control solenoid valve
• P0130 P0131 P0132 P0133 P0150 P0151 P0152 P0153 P2A00 P2A03 Air fuel ratio (A/F) sensor 1
• P0137 P0138 P0139 P0157 P0158 P0159 Heated oxygen sensor 2
• P0441 EVAP control system purge flow monitoring
• P0443 P0444 P0445 EVAP canister purge volume control solenoid valve
• P0447 P0448 EVAP canister vent control valve
• P0451 P0452 P0453 EVAP control system pressure sensor
• P0550 Power steering pressure sensor
• P0603 ECM power supply
• P0710 P0717 P0720 P0729 P0730 P0731 P0732 P0733 P0734 P0735 P0740 P0744 P0745 P0750 P0775 P0780 P0795
P1730 P1734 P2713 P2722 P2731 P2807 A/T related sensors, solenoid valves and switches
• P1078 P1084 Exhaust valve timing control position sensor
• P1087 P1088 VVEL system
• P1090 P1093 VVEL actuator motor
• P1091 VVEL actuator motor relay
• P1217 Engine over temperature (OVERHEAT)
• P1233 P2101 Electric throttle control function
• P1236 P2118 Throttle control motor
• P1290 P2100 P2103 Throttle control motor relay
• P1805 Brake switch
3
• P0011 P0021 Intake valve timing control
• P0014 P0024 Exhaust valve timing control
• P0106 Manifold absolute pressure sensor
• P0171 P0172 P0174 P0175 Fuel injection system function
• P0225 Electric throttle control actuator
• P0300 - P0308 Misfire
• P0420 P0430 Three way catalyst function
• P0442 EVAP control system (SMALL LEAK)
• P0455 EVAP control system (GROSS LEAK)
• P0456 EVAP control system (VERY SMALL LEAK)
• P0506 P0507 Idle speed control system
• P0524 Engine oil pressure
• P100A P100B VVEL system
• P1148 P1168 Closed loop control
• P1211 TCS control unit
• P1212 TCS communication line
• P1238 P2119 Electric throttle control actuator
• P1421 Cold start control
• P1564 ASCD steering switch / ICC steering switch
• P1568 ICC command value
• P1572 ASCD brake switch / ICC brake switch
• P1574 ASCD vehicle speed sensor / ICC vehicle speed sensor
• P1715 Input speed sensor
Priority
Detected items (DTC)
DTC*
1
Items
(CONSULT-III screen terms)
SRT code
Trip
MIL
Reference
page
CONSULT-III
GST*
2
ECM*
3
U0101
0101
LOST COMM (TCM)
—
1
×
U0113
0113
CAN COMM CIRCUIT
—
1
×
U1001
1001*
4
CAN COMM CIRCUIT
—
2
(with ASCD)
1
(with ICC)
—
U1003
1003
CAN COMM CIRCUIT
—
2
—
U1024
1024
VVEL CAN COMM CIRCUIT
—
1
×
EC-1180
< ECU DIAGNOSIS INFORMATION >
[VK50VE]
ECM
P0000
0000
NO DTC IS DETECTED.
FURTHER TESTING
MAY BE REQUIRED.
—
—
Blinking*
7
—
P0011
0011
INT/V TIM CONT-B1
—
2
×
P0014
0014
EXH/V TIM CONT-B1
—
2
×
P0021
0021
INT/V TIM CONT-B2
—
2
×
P0024
0024
EXH/V TIM CONT-B2
—
2
×
P0031
0031
A/F SEN1 HTR (B1)
—
2
×
P0032
0032
A/F SEN1 HTR (B1)
—
2
×
P0037
0037
HO2S2 HTR (B1)
—
2
×
P0038
0038
HO2S2 HTR (B1)
—
2
×
P0051
0051
A/F SEN1 HTR (B2)
—
2
×
P0052
0052
A/F SEN1 HTR (B2)
—
2
×
P0057
0057
HO2S2 HTR (B2)
—
2
×
P0058
0058
HO2S2 HTR (B2)
—
2
×
P006A
006A
MAP-MAF CORELTION-B1
—
2
×
P0075
0075
INT/V TIM V/CIR-B1
—
2
×
P0078
0078
EX V/T ACT/CIRC-B1
—
2
×
P0081
0081
INT/V TIM V/CIR-B2
—
2
×
P0084
0084
EX V/T ACT/CIRC-B2
—
2
×
P0101
0101
MAF SEN/CIRCUIT-B1
—
2
×
P0102
0102
MAF SEN/CIRCUIT-B1
—
1
×
P0103
0103
MAF SEN/CIRCUIT-B1
—
1
×
P0106
0106
ABSL PRES SEN/CIRC
—
2
×
P010B
010B
MAF SEN/CIRCUIT-B2
—
2
×
P010C
010C
MAF SEN/CIRCUIT-B2
—
1
×
P010D
010D
MAF SEN/CIRCUIT-B2
—
1
×
P0112
0112
IAT SEN/CIRCUIT-B1
—
2
×
P0113
0113
IAT SEN/CIRCUIT-B1
—
2
×
P0116
0116
ECT SEN/CIRC
—
2
×
P0117
0117
ECT SEN/CIRC
—
1
×
P0118
0118
ECT SEN/CIRC
—
1
×
P0122
0122
TP SEN 2/CIRC-B1
—
1
×
P0123
0123
TP SEN 2/CIRC-B1
—
1
×
P0125
0125
ECT SENSOR
—
2
×
P0127
0127
IAT SENSOR-B1
—
2
×
P0128
0128
THERMSTAT FNCTN
—
2
×
P0130
0130
A/F SENSOR1 (B1)
—
2
×
P0131
0131
A/F SENSOR1 (B1)
—
2
×
P0132
0132
A/F SENSOR1 (B1)
—
2
×
P0133
0133
A/F SENSOR1 (B1)
×
2
×
P0137
0137
HO2S2 (B1)
×
2
×
P0138
0138
HO2S2 (B1)
×
2
×
DTC*
1
Items
(CONSULT-III screen terms)
SRT code
Trip
MIL
Reference
page
CONSULT-III
GST*
2
ECM*
3
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