Infiniti FX35 / FX45. Manual - part 481

 

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Infiniti FX35 / FX45. Manual - part 481

 

 

TROUBLE DIAGNOSIS

EC-685

< SERVICE INFORMATION >

[VK45DE]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

Circuit Diagram

INFOID:0000000001326529

TBWM1319E

EC-686

< SERVICE INFORMATION >

[VK45DE]

TROUBLE DIAGNOSIS

TBWM1320E

TROUBLE DIAGNOSIS

EC-687

< SERVICE INFORMATION >

[VK45DE]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

ECM Harness Connector Terminal Layout

INFOID:0000000001326530

ECM Terminal and Reference Value

INFOID:0000000001326531

PREPARATION

ECM (1) is located behind the passenger side instrument lower
panel. For this inspection, remove passenger side instrument lower
panel.

ECM INSPECTION TABLE

Specification data are reference values and are measured between each terminal and ground.
Pulse signal is measured by CONSULT-III.

CAUTION:

Do not use ECM ground terminals when measuring input/output voltage. Doing so may result in dam-
age to the ECMs transistor. Use a ground other than ECM terminals, such as the ground.

PBIB3368E

PBIB3240E

TER-

MI-

NAL 

NO.

WIRE 

COLOR

ITEM

CONDITION

DATA (DC Voltage)

1

B

ECM ground

[Engine is running]
• Idle speed

Body ground

2

P

A/F sensor 1 heater
(Bank 1)

[Engine is running]
• Warm-up condition
• Idle speed

Approximately 5V

3

P

Throttle control motor relay 
power supply

[Ignition switch: ON]

BATTERY VOLTAGE
(11 - 14V)

4

L/W

Throttle control motor 
(Close)

[Ignition switch: ON]
• Engine stopped
• Selector lever: D 
• Accelerator pedal: Fully released

0 - 14V

PBIB1584E

PBIB1104E

EC-688

< SERVICE INFORMATION >

[VK45DE]

TROUBLE DIAGNOSIS

5

L/B

Throttle control motor 
(Open)

[Ignition switch: ON]
• Engine stopped
• Selector lever: D 
• Accelerator pedal: Fully depressed

0 - 14V

6

R

Heated oxygen sensor 2 
heater (Bank 1)

[Engine is running]
• Engine speed: Below 3,600 rpm after the fol-

lowing conditions are met

- Engine: After warming up
- Keeping the engine speed between 3,500 

and 4,000 rpm for 1 minute and at idle for 1 
minute under no load

0 - 1.0V

[Ignition switch: ON]
• Engine stopped
[Engine is running]
• Engine speed: Above 3,600 rpm

BATTERY VOLTAGE
(11 - 14V)

10

OR

Intake valve timing control 
solenoid valve (Bank 1)

[Engine is running]
• Warm-up condition
• Idle speed

BATTERY VOLTAGE
(11 - 14V)

[Engine is running]
• Warm-up condition
• Engine speed: 2,000rpm

7 - 12V

11

BR

Intake valve timing control 
solenoid valve (Bank 2)

[Engine is running]
• Warm-up condition
• Idle speed

BATTERY VOLTAGE
(11 - 14V)

[Engine is running]
• Warm-up condition
• Engine speed: 2,000rpm

7 - 12V

12

R/G

Power steering pressure 
sensor

[Engine is running]
• Steering wheel: Being turned

0.5 - 4.5V

[Engine is running]
• Steering wheel: Not being turned

0.4 - 0.8V

TER-

MI-

NAL 

NO.

WIRE 

COLOR

ITEM

CONDITION

DATA (DC Voltage)

PBIB1105E

PBIB1790E

PBIB1790E

 

 

 

 

 

 

 

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