Infiniti FX35 / FX45. Manual - part 566

 

  Index      Infiniti     Infiniti FX35 / FX45 (S50) - service repair manual 2008 year

 

Search            

 

 

 

 

 

 

 

 

 

Content   ..  564  565  566  567   ..

 

 

Infiniti FX35 / FX45. Manual - part 566

 

 

DTC P1140, P1145 IVT CONTROL POSITION SENSOR

EC-1025

< SERVICE INFORMATION >

[VK45DE]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

Refer to Wiring Diagram.

3.

Also check harness for short to ground and short to power. 

OK or NG

OK

>> GO TO 7.

NG

>> Repair open circuit or short to ground or short to power in harness or connectors.

7.

CHECK INTAKE VALVE TIMING CONTROL POSITION SENSOR

Refer to 

EC-1025, "Component Inspection"

.

OK or NG

OK

>> GO TO 8.

NG

>> Replace malfunctioning intake valve timing control position sensor.

8.

CHECK CRANKSHAFT POSITION SENSOR (POS)

Refer to 

EC-910, "Component Inspection"

.

OK or NG

OK

>> GO TO 9.

NG

>> Replace crankshaft position sensor (POS).

9.

CHECK CAMSHAFT POSITION SENSOR (PHASE)

Refer to 

EC-915, "Component Inspection"

.

OK or NG

OK

>> GO TO 10.

NG

>> Replace camshaft position sensor (PHASE).

10.

CHECK CAMSHAFT SPROCKET

Check accumulation of debris to the signal pick-up portion of the camshaft sprocket. Refer to 

EM-199

.

OK or NG

OK

>> GO TO 11.

NG

>> Remove debris and clean the signal pick-up cutout of camshaft sprocket.

11.

CHECK INTERMITTENT INCIDENT

Refer to 

EC-717

.

>> INSPECTION END

Component Inspection

INFOID:0000000001326885

INTAKE VALVE TIMING CONTROL POSITION SENSOR

1.

Disconnect intake valve timing control position sensor harness connector.

2.

Loosen the fixing bolt of the sensor.

3.

Remove the sensor.

4.

Visually check the sensor for chipping.

Continuity should exist.

SEF362Z

EC-1026

< SERVICE INFORMATION >

[VK45DE]

DTC P1140, P1145 IVT CONTROL POSITION SENSOR

5.

Check resistance as shown below.

6.

If NG, replace intake valve timing control position sensor.

Removal and Installation

INFOID:0000000001326886

INTAKE VALVE TIMING CONTROL POSITION SENSOR

Refer to 

EM-199

.

Terminal No. (Polarity)

Resistance 

 [at 25

°

C (77

°

F)]

3 (+) - 1 (-)

Except 0 or 

2 (+) - 1 (-)

3 (+) - 2 (-)

PBIB0194E

DTC P1148, P1168 CLOSED LOOP CONTROL

EC-1027

< SERVICE INFORMATION >

[VK45DE]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

DTC P1148, P1168 CLOSED LOOP CONTROL

On Board Diagnosis Logic

INFOID:0000000001326887

These self-diagnoses have the one trip detection logic.

NOTE:
DTC P1148 or P1168 is displayed with another DTC for A/F sensor 1.
Perform the trouble diagnosis for the corresponding DTC.

DTC No.

Trouble diagnosis name

DTC detecting condition

Possible cause

P1148
1148
(Bank 1)

Closed loop control 
function

The closed loop control function for bank 1 does 
not operate even when vehicle is driving in the 
specified condition.

• Harness or connectors

(The A/F sensor 1 circuit is open or short-
ed.)

• A/F sensor 1
• A/F sensor 1 heater

P1168
1168
(Bank 2)

The closed loop control function for bank 2 does 
not operate even when vehicle is driving in the 
specified condition.

EC-1028

< SERVICE INFORMATION >

[VK45DE]

DTC P1211 TCS CONTROL UNIT

DTC P1211 TCS CONTROL UNIT

Description

INFOID:0000000001326888

The malfunction information related to TCS is transferred through the CAN communication line from “ABS
actuator and electric unit (control unit)” to ECM.
Be sure to erase the malfunction information such as DTC not only for “ABS actuator and electric unit
(control unit)” but also for ECM after TCS related repair.

On Board Diagnosis Logic

INFOID:0000000001326889

Freeze frame data is not stored in the ECM for this self-diagnosis. The MIL will not light up for this self-
diagnosis.

DTC Confirmation Procedure

INFOID:0000000001326890

TESTING CONDITION:
Before performing the following procedure, confirm that battery voltage is more than 10.5V at idle.

 WITH CONSULT-III

1.

Start engine and let it idle for at least 60 seconds.

2.

Check 1st trip DTC.

3.

If 1st trip DTC is detected, go to 

EC-1028, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000001326891

Go to 

BRC-13

.

DTC No.

Trouble diagnosis name

DTC detecting condition

Possible cause

P1211
1211

TCS control unit

ECM receives a malfunction information from
“ABS actuator electric unit (control unit)”

• ABS actuator and electric unit (control 

unit)

• TCS related parts

 

 

 

 

 

 

 

Content   ..  564  565  566  567   ..