Nissan Teana J32. Manual — part 383

EC-70

< FUNCTION DIAGNOSIS >

[VQ25DE, VQ35DE]

ELECTRONIC CONTROLLED ENGINE MOUNT

The ECM controls the engine mount operation corresponding to the engine speed. The control system has a
2-step control [Soft/Hard]

Component Parts Location

INFOID:0000000003860670

Vehicle condition

Engine mount control

Engine speed: Below 950 rpm

Soft

Engine speed: Above 950 rpm

Hard

1.

Intake valve timing control solenoid
valve (bank 1)

2.

Intake valve timing control solenoid
valve (bank 2)

3.

Electronic controlled engine mount
control solenoid valve

4.

Fuel injector (bank 2)

5.

Cooling fan motor-2

6.

A/F sensor 1 (bank 2)

7.

Ignition coil (with power transistor)
and spark plug (bank 2)

8.

Camshaft position sensor (PHASE)
(bank 2)

9.

Crankshaft position sensor (POS)

10. Engine coolant temperature sensor

11.

Cooling fan motor-1

12. ECM

13. Refrigerant pressure sensor

14. Battery current sensor

15. IPDM E/R

16. Mass air flow sensor (with intake air

temperature sensor)

17. Electric throttle control actuator

18. Power valve actuator 2 (VQ35DE

models)

19. EVAP canister purge volume control

solenoid valve

20. Camshaft position sensor (PHASE)

(bank 1)

21. Ignition coil (with power transistor)

and spark plug (bank 1)

JMBIA1373ZZ

ELECTRONIC CONTROLLED ENGINE MOUNT

EC-71

< FUNCTION DIAGNOSIS >

[VQ25DE, VQ35DE]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

22. A/F sensor 1 (bank 1)

23. Fuel injector (bank 1)

24. VIAS control solenoid valve 1 and 2

(VQ35DE models)

25. Power valve actuator 1

1.

Mass air flow sensor (with intake air
temperature sensor)

2.

Electric throttle control actuator

: Vehicle front

1.

Ignition coil (with power transistor)
and spark plug (bank 1)

2.

Fuel injector (bank 1)

3.

Fuel injector (bank 2)

4.

Ignition coil (with power transistor)
and spark plug (bank 2)

5.

EVAP canister

: Vehicle front

1.

Knock sensor (bank 1)

2.

Knock sensor (bank 2)

3.

Knock sensor

: Vehicle front

JMBIA1374ZZ

JMBIA1375ZZ

JMBIA1376GB

EC-72

< FUNCTION DIAGNOSIS >

[VQ25DE, VQ35DE]

ELECTRONIC CONTROLLED ENGINE MOUNT

1.

Crankshaft position sensor (POS)

2.

Camshaft position sensor (PHASE)
(bank 2)

3.

Camshaft position sensor (PHASE)
(bank 1)

: Vehicle front

1.

Refrigerant pressure sensor

2.

Battery current sensor

: Vehicle front

1.

ECM

2.

Fuel pump fuse

3.

IPDM E/R

: Vehicle front

JMBIA1377ZZ

JMBIA1378ZZ

JMBIA1379ZZ

ELECTRONIC CONTROLLED ENGINE MOUNT

EC-73

< FUNCTION DIAGNOSIS >

[VQ25DE, VQ35DE]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

PBIB1686E

1.

A/F sensor 1 (bank 1) harness con-
nector

2.

A/F sensor 1 (bank 1)

3.

A/F sensor 1 (bank 2) harness con-
nector

4.

A/F sensor 1 (bank 2)

: Vehicle front

1.

HO2S2 (bank 1)

2.

HO2S2 (bank 2)

3.

HO2S2 (bank 2) harness connector

4.

Tie-rod (RH)

5.

Power steering pressure sensor

6.

HO2S2 (bank 1) harness connector

: Vehicle front

JMBIA1116ZZ

JMBIA1380ZZ