Nissan Frontier D40. Manual - part 516

 

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Nissan Frontier D40. Manual - part 516

 

 

P0605 ECM

EC-755

< COMPONENT DIAGNOSIS >

[VQ40DE]

C

D

E

F

G

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J

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A

EC

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P

O

P0605 ECM

Component Description

INFOID:0000000005273736

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

INFOID:0000000005273737

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

INFOID:0000000005273738

Perform PROCEDURE FOR MALFUNCTION A first. If the 1st trip DTC cannot be confirmed, perform
PROCEDURE FOR MALFUNCTION B. If there is no malfunction on PROCEDURE FOR MALFUNCTION
B, perform PROCEDURE FOR MALFUNCTION C.
NOTE:
If DTC Confirmation Procedure has been previously conducted, always perform the following before conduct-
ing the next step.
1.

Turn ignition switch OFF and wait at least 10 seconds.

2.

Turn ignition switch ON.

3.

Turn ignition switch OFF and wait at least 10 seconds.

PROCEDURE FOR MALFUNCTION A

1.

Turn ignition switch ON.

2.

Check 1st trip DTC.

3.

If 1st trip DTC is detected, go to 

EC-756, "Diagnosis Procedure"

.

PROCEDURE FOR MALFUNCTION B

 With CONSULT-III

1.

Turn ignition switch ON and wait at least 1 second.

2.

Check 1st trip DTC.

3.

If 1st trip DTC is detected, go to 

EC-756, "Diagnosis Procedure"

.

PROCEDURE FOR MALFUNCTION C

 With CONSULT-III

1.

Turn ignition switch ON and wait at least 1 second.

PBIB1164E

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.

• ECM deactivates ASCD operation.

EC-756

< COMPONENT DIAGNOSIS >

[VQ40DE]

P0605 ECM

2.

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

3.

Repeat step 2 for 32 times.

4.

Check 1st trip DTC.

5.

If 1st trip DTC is detected, go to 

EC-756, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000005273739

1.

INSPECTION START

With CONSULT-III

1.

Turn ignition switch ON.

2.

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

3.

Touch “ERASE”.

4.

Perform DTC Confirmation Procedure.
See 

EC-755, "DTC Confirmation Procedure"

.

5.

Is the 1st trip DTC P0605 displayed again?

With GST

1.

Turn ignition switch ON.

2.

Select Service $04 with GST.

3.

Perform DTC Confirmation Procedure.
See 

EC-755, "DTC Confirmation Procedure"

.

4.

Is the 1st trip DTC P0605 displayed again?

Yes or No

Yes

>> GO TO 2.

No

>> INSPECTION END

2.

REPLACE ECM

1.

Replace ECM.

2.

Perform initialization of NVIS (NATS) system and registration of all NVIS (NATS) ignition key IDs. Refer to

SEC-7, "ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Special Repair Requirement"

.

3.

Perform 

EC-473, "VIN Registration"

.

4.

Perform 

EC-473, "Accelerator Pedal Released Position Learning"

.

5.

Perform 

EC-473, "Throttle Valve Closed Position Learning"

.

6.

Perform 

EC-473, "Idle Air Volume Learning"

.

>> INSPECTION END

P0607 ECM

EC-757

< COMPONENT DIAGNOSIS >

[VQ40DE]

C

D

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F

G

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J

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A

EC

N

P

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P0607 ECM

Description

INFOID:0000000005273740

CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle mul-
tiplex communication line with high data communication speed and excellent error detection ability. Many elec-
tronic control units are equipped onto a vehicle, and each control unit shares information and links with other
control units during operation (not independent). In CAN communication, control units are connected with 2
communication lines (CAN H line, CAN L line) allowing a high rate of information transmission with less wiring.
Each control unit transmits/receives data but selectively reads required data only.

On Board Diagnosis Logic

INFOID:0000000005273741

This self-diagnosis has the one trip detection logic.

DTC Confirmation Procedure

INFOID:0000000005273742

1.

Turn ignition switch ON.

2.

Check DTC.

3.

If DTC is detected, go to 

EC-757, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000005273743

1.

INSPECTION START

With CONSULT-III

1.

Turn ignition switch ON.

2.

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

3.

Touch “ERASE”.

4.

Perform DTC Confirmation Procedure.
See 

EC-757, "DTC Confirmation Procedure"

.

5.

Is the DTC P0607 displayed again?

With GST

1.

Turn ignition switch ON.

2.

Select “Service $04” with GST.

3.

Perform DTC Confirmation Procedure.
See 

EC-757, "DTC Confirmation Procedure"

.

4.

Is the DTC P0607 displayed again?

Yes or No

Yes

>> GO TO 2.

No

>> INSPECTION END

2.

REPLACE ECM

1.

Replace ECM.

2.

Perform initialization of NVIS (NATS) system and registration of all NVIS (NATS) ignition key IDs. Refer to

SEC-7, "ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Special Repair Requirement"

.

3.

Perform 

EC-473, "VIN Registration"

.

4.

Perform 

EC-473, "Accelerator Pedal Released Position Learning"

.

5.

Perform 

EC-473, "Throttle Valve Closed Position Learning"

.

6.

Perform 

EC-473, "Idle Air Volume Learning"

.

>> INSPECTION END

DTC No.

Trouble diagnosis name

DTC detecting condition

Possible cause

P0607
0607

CAN communication bus

When detecting error during the initial diagno-
sis of CAN controller of ECM.

• ECM

EC-758

< COMPONENT DIAGNOSIS >

[VQ40DE]

P0643 SENSOR POWER SUPPLY

P0643 SENSOR POWER SUPPLY

On Board Diagnosis Logic

INFOID:0000000005273744

This self-diagnosis has the one trip detection logic.

FAIL-SAFE MODE

When the malfunction is detected, ECM enters fail-safe mode and the MIL illuminates. 

DTC Confirmation Procedure

INFOID:0000000005273745

NOTE:
If DTC Confirmation Procedure has been previously conducted, always perform the following before conduct-
ing the next step.
1.

Turn ignition switch OFF and wait at least 10 seconds.

2.

Turn ignition switch ON.

3.

Turn ignition switch OFF and wait at least 10 seconds.

TESTING CONDITION:
Before performing the following procedure, confirm that battery voltage is more than 10V at idle.
1.

Start engine and let it idle for 1 second.

2.

Check 1st trip DTC.

3.

If DTC is detected, go to 

EC-758, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000005273746

1.

CHECK GROUND CONNECTIONS

1.

Turn ignition switch OFF.

2.

Loosen and retighten three ground three screws on the body. Refer to 

EC-549, "Ground Inspection"

.

DTC No.

Trouble diagnosis 

name

DTC detecting condition

Possible cause

P0643
0643

Sensor power supply 
circuit short

ECM detects that the voltage of power 
source for sensor is excessively low or high.

• Harness or connectors

(APP sensor 1 circuit is shorted.)
(PSP sensor circuit is shorted.)
(Refrigerant pressure sensor circuit is short-
ed.)
(Battery current sensor circuit is shorted.)
(EVAP control system pressure sensor circuit 
is shorted.)

• Accelerator pedal position sensor

(APP sensor 1)

• EVAP control system pressure sensor
• Power steering pressure sensor
• Refrigerant pressure sensor
• Battery current sensor

Engine operation condition in fail-safe mode

ECM stops the electric throttle control actuator control, throttle valve is maintained at a fixed opening (approx. 5 degrees) by the return 
spring.

BBIA0539E

 

 

 

 

 

 

 

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