Nissan Murano Z51 (2008 year). Manual — part 168

EC-504

< ECU DIAGNOSIS >

[VQ35DE]

ECM

JCBWM1055GB

Revision: 2008 October

2009 Murano

ECM

EC-505

< ECU DIAGNOSIS >

[VQ35DE]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

JCBWM1056GB

Revision: 2008 October

2009 Murano

EC-506

< ECU DIAGNOSIS >

[VQ35DE]

ECM

JCBWM1057GB

Revision: 2008 October

2009 Murano

ECM

EC-507

< ECU DIAGNOSIS >

[VQ35DE]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

JCBWM1058GB

Revision: 2008 October

2009 Murano

EC-508

< ECU DIAGNOSIS >

[VQ35DE]

ECM

JCBWM1059GB

Revision: 2008 October

2009 Murano

ECM

EC-509

< ECU DIAGNOSIS >

[VQ35DE]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

JCBWM1059GB

Revision: 2008 October

2009 Murano

EC-510

< ECU DIAGNOSIS >

[VQ35DE]

ECM

JCBWM1060GB

Revision: 2008 October

2009 Murano

ECM

EC-511

< ECU DIAGNOSIS >

[VQ35DE]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

JCBWM1061GB

Revision: 2008 October

2009 Murano

EC-512

< ECU DIAGNOSIS >

[VQ35DE]

ECM

JCBWM1062GB

Revision: 2008 October

2009 Murano

ECM

EC-513

< ECU DIAGNOSIS >

[VQ35DE]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

JCBWM1063GB

Revision: 2008 October

2009 Murano

EC-514

< ECU DIAGNOSIS >

[VQ35DE]

ECM

JCBWM1064GB

Revision: 2008 October

2009 Murano

ECM

EC-515

< ECU DIAGNOSIS >

[VQ35DE]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

JCBWM1065GB

Revision: 2008 October

2009 Murano

EC-516

< ECU DIAGNOSIS >

[VQ35DE]

ECM

JCBWM1066GB

Revision: 2008 October

2009 Murano

ECM

EC-517

< ECU DIAGNOSIS >

[VQ35DE]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

Fail-safe

INFOID:0000000003388287

NON DTC RELATED ITEM

JCBWM1067GB

Revision: 2008 October

2009 Murano

EC-518

< ECU DIAGNOSIS >

[VQ35DE]

ECM

DTC RELATED ITEM

Engine operating condi-

tion in fail-safe mode

Detected items

Remarks

Reference

page

Engine speed will not
rise more than 2,500 rpm
due to the fuel cut

Malfunction indicator
lamp circuit

When there is an open circuit on MIL circuit, the ECM cannot warn the
driver by illuminating MIL when there is malfunction on engine control
system.
Therefore, when electrical controlled throttle and part of ECM related
diagnoses are continuously detected as NG for 5 trips, ECM warns the
driver that engine control system malfunctions and MIL circuit is open
by means of operating the fail-safe function.
The fail-safe function also operates when above diagnoses except MIL
circuit are detected and demands the driver to repair the malfunction.

EC-456

DTC No.

Detected items

Engine operating condition in fail-safe mode

P0011

P0021

Intake valve timing control

The signal is not energized to the intake valve timing control solenoid valve and the valve
control does not function.

P0102
P0103

Mass air flow sensor circuit

Engine speed will not rise more than 2,400 rpm due to the fuel cut.

P0117
P0118

Engine coolant tempera-
ture sensor circuit

Engine coolant temperature will be determined by ECM based on the following condition.
CONSULT-III displays the engine coolant temperature decided by ECM.

Condition

Engine coolant temperature decided

(CONSULT-III display)

Just as ignition switch is turned ON
or START

40

°

C (104

°

F)

Approx 4 minutes or more after en-
gine starting

80

°

C (176

°

F)

Except as shown above

40 - 80

°

C (104 - 176

°

F)

(Depends on the time)

When the fail-safe system for engine coolant temperature sensor is activated, the cooling
fan operates while engine is running.

P0122
P0123
P0222
P0223
P2135

Throttle 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.

P0196
P0197
P0198

Engine oil temperature
sensor

Intake valve timing control does not function.

P0500

Vehicle speed sensor

The cooling fan operates (Highest) while engine is running.

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.

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.

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

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.

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.

Revision: 2008 October

2009 Murano

ECM

EC-519

< ECU DIAGNOSIS >

[VQ35DE]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

DTC Inspection Priority Chart

INFOID:0000000003388288

If some DTCs are displayed at the same time, perform inspections one by one based on the following priority
chart.

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.

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 by regulating the throttle opening to 20
degrees or less.

(When ECM detects the throttle valve is stuck open:)
While the vehicle is being driven, it slows down gradually because of 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.

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

Revision: 2008 October

2009 Murano