Infiniti F50. Manual - part 441

 

  Index      Infiniti     Infiniti F50 - service repair manual 2006 year

 

Search            

 

 

 

 

 

 

 

 

 

Content   ..  439  440  441  442   ..

 

 

Infiniti F50. Manual - part 441

 

 

DTC P0550 PSP SENSOR

EC-405

C

D

E

F

G

H

I

J

K

L

M

A

EC

9. 

CHECK INTERMITTENT INCIDENT

Refer to 

EC-132, "TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT"

 .

>> INSPECTION END

EC-406

DTC P0550 PSP SENSOR

Component Inspection

EBS00MGH

POWER STEERING PRESSURE SENSOR

1.

Reconnect all harness connectors disconnected.

2.

Start engine and let it idle.

3.

Check voltage between ECM terminal 118 and ground under the
following conditions.

Condition

Voltage

Steering wheel is being turned fully.

Approximately 3.6V

Steering wheel is not being turned.

Approximately 0.6V

PBIB0190E

DTC P0605 ECM

EC-407

C

D

E

F

G

H

I

J

K

L

M

A

EC

DTC P0605 ECM

PFP:23710

Component Description

EBS00MGI

The ECM consists of a microcomputer and connectors for signal
input and output and for power supply. The ECM controls the engine.

On Board Diagnosis Logic

EBS00MGJ

This self-diagnosis has one or two trip detection logic.

FAIL-SAFE MODE

ECM enters fail-safe mode when the malfunction A is detected.

DTC Confirmation Procedure

EBS00MGK

Perform “PROCEDURE FOR MALFUNCTION A” first. If the 1st trip DTC cannot be confirmed, perform
“PROCEDURE FOR MALFUNCTION B”. If there is no problem on “PROCEDURE FOR MALFUNCTION
B”, perform “PROCEDURE FOR MALFUNCTION C”.

NOTE:
If “DTC Confirmation Procedure” has been previously conducted, always turn ignition switch “OFF” and wait at
least 10 seconds before conducting the next test.

PROCEDURE FOR MALFUNCTION A

 With CONSULT-II

1.

Turn ignition switch “ON”.

2.

Select “DATA MONITOR” mode with CONSULT-II.

3.

If 1st trip DTC is detected, go to 

EC-408, "Diagnostic Procedure"

.

 With GST

Follow the procedure “With CONSULT-II” above.

SEF093X

DTC No.

Trouble diagnosis name

DTC detecting condition

Possible cause

P0605
0605

Engine control module

A)

ECM calculation function is malfunctioning.

ECM

B)

ECM EEP-ROM system is malfunctioning.

C)

ECM self shut-off function is malfunctioning.

Detected items

Engine operation condition in fail-safe mode

Malfunction A

ECM stops the electric throttle control actuator control, throttle valve is maintained at a fixed opening (approx. 5 
degrees) by the return spring.
When the accelerator pedal depressed value reaches a throttle opening of 30 degrees or more, the throttle valve 
opens to a maximum of 20 degrees by the accelerator wire.

SEF058Y

EC-408

DTC P0605 ECM

PROCEDURE FOR MALFUNCTION B

 With CONSULT-II

1.

Turn ignition switch “ON” and wait at least 1 second.

2.

Select “DATA MONITOR” mode with CONSULT-II.

3.

Turn ignition switch “OFF”, wait at least 10 seconds, and then
turn “ON”.

4.

If 1st trip DTC is detected, go to 

EC-408, "Diagnostic Procedure"

.

 With GST

Follow the procedure “With CONSULT-II” above.

PROCEDURE FOR MALFUNCTION C

 With CONSULT-II

1.

Turn ignition switch “ON” and wait at least 1 second.

2.

Select “DATA MONITOR” mode with CONSULT-II.

3.

Turn ignition switch “OFF”, wait at least 10 seconds, and then
turn “ON”.

4.

Repeat step 3 for 32 times.

5.

If 1st trip DTC is detected, go to 

EC-408, "Diagnostic Procedure"

.

 With GST

Follow the procedure “With CONSULT-II” above.

Diagnostic Procedure

EBS00MGL

1. 

INSPECTION START

 With CONSULT-II

1.

Turn ignition switch “ON”.

2.

Select “SELF DIAG RESULTS” mode with CONSULT-II.

3.

Touch “ERASE”.

4.

Perform “DTC Confirmation Procedure”.
See 

EC-407

 .

5.

Is the 1st trip DTC P0605 displayed again?

 With GST

1.

Turn ignition switch “ON”.

2.

Select MODE 4 with GST.

3.

Touch “ERASE”.

4.

Perform “DTC Confirmation Procedure”.
See 

EC-407

 .

5.

Is the 1st trip DTC P0605 displayed again?

Yes or No

Yes

>> GO TO 2.

No

>> INSPECTION END

SEF058Y

SEF058Y

 

 

 

 

 

 

 

Content   ..  439  440  441  442   ..