Nissan March K13. Instruction — part 243

P0605 ECM

EC-433

< DTC/CIRCUIT DIAGNOSIS >

[HR12DE (TYPE 2)]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

P0605 ECM

DTC Logic

INFOID:0000000005886549

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PRECONDITIONING

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

>> GO TO 2.

2.

PERFORM DTC CONFIRMATION PROCEDURE FOR MALFUNCTION A

1.

Turn ignition switch ON.

2.

Check 1st trip DTC.

Is 1st trip DTC detected?

YES

>> Go to

EC-433, "Diagnosis Procedure"

.

NO

>> GO TO 3.

3.

PERFORM DTC CONFIRMATION PROCEDURE FOR MALFUNCTION B

1.

Turn ignition switch ON and wait at least 1 second.

2.

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

3.

Check 1st trip DTC.

Is 1st trip DTC detected?

YES

>> Go to

EC-433, "Diagnosis Procedure"

.

NO

>> GO TO 4.

4.

PERFORM DTC CONFIRMATION PROCEDURE FOR MALFUNCTION C

1.

Turn ignition switch ON and wait at least 1 second.

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.

Is 1st trip DTC detected?

YES

>> Go to

EC-433, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000005886550

1.

INSPECTION START

1.

Erase DTC.

2.

Perform DTC CONFIRMATION PROCEDURE.
See

EC-433, "DTC Logic"

.

Is the 1st trip DTC P0605 displayed again?

YES

>> GO TO 2.

NO

>> INSPECTION END

2.

REPLACE ECM

1.

Replace ECM.

2.

Perform

XX-XX, "*****"

.

DTC No.

Trouble diagnosis name

DTC detecting condition

Possible cause

P0605

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.

EC-434

< DTC/CIRCUIT DIAGNOSIS >

[HR12DE (TYPE 2)]

P0605 ECM

>> INSPECTION END

P1065 ECM

EC-435

< DTC/CIRCUIT DIAGNOSIS >

[HR12DE (TYPE 2)]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

P1065 ECM

DTC Logic

INFOID:0000000005886552

DTC DETECTION LOGIC

*: This self-diagnosis is not for ECM power supply circuit, even though “ECM BACK UP/CIRCUIT” is displayed on CONSULT-III screen.

DTC CONFIRMATION PROCEDURE

1.

PRECONDITIONING

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

>> GO TO 2.

2.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Turn ignition switch ON wait at least 10 seconds.

2.

Turn ignition switch OFF and wait at least 5 minutes

3.

Turn ignition switch ON, wait at least 10 seconds.

4.

Repeat step 2 and 3 for five times.

5.

Check 1st trip DTC.

Is 1st trip DTC detected?

YES

>> Go to

EC-435, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000005886553

1.

INSPECTION START

1.

Erase DTC.

2.

Perform DTC CONFIRMATION PROCEDURE.
See

EC-435, "DTC Logic"

.

Is the 1st trip DTC P1065 displayed again?

YES

>> GO TO 2.

NO

>> INSPECTION END

2.

REPLACE ECM

1.

Replace ECM.

2.

Perform

XX-XX, "*****"

.

>> INSPECTION END

DTC No.

Trouble diagnosis name

DTC detecting condition

Possible cause

P1065

*

Engine control module

ECM back-up RAM system does not function
properly.

• ECM

EC-436

< DTC/CIRCUIT DIAGNOSIS >

[HR12DE (TYPE 2)]

P1121 ELECTRIC THROTTLE CONTROL ACTUATOR

P1121 ELECTRIC THROTTLE CONTROL ACTUATOR

DTC Logic

INFOID:0000000005886557

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PRECONDITIONING

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

>> GO TO 2.

2.

PERFORM DTC CONFIRMATION PROCEDURE FOR MALFUNCTION A AND B

1.

Turn ignition switch ON and wait at least 1 second.

2.

Set shift lever to D position (A/T) or 1st position (M/T) position and wait at least 3 seconds.

3.

Set shift lever to P position (A/T) or Neutral position (M/T).

4.

Turn ignition switch OFF and wait at least 10 seconds.

5.

Turn ignition switch ON and wait at least 1 second.

6.

Set shift lever to D position (A/T) or 1st position (M/T) position and wait at least 3 seconds.

7.

Set shift lever to P position (A/T) or Neutral position (M/T).

8.

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

9.

Check DTC.

Is DTC detected?

YES

>> Go to

EC-436, "Diagnosis Procedure"

.

NO

>> GO TO 3.

3.

PERFORM DTC CONFIRMATION PROCEDURE FOR MALFUNCTION C

1.

Turn ignition switch ON and wait at least 1 second.

2.

Set shift lever to D position (A/T) or 1st position (M/T) position and wait at least 3 seconds.

3.

Set shift lever to P position (A/T) or Neutral position (M/T).

4.

Start engine and let it idle for 3 seconds.

5.

Check DTC.

Is DTC detected?

YES

>> Go to

EC-436, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000005886558

1.

CHECK ELECTRIC THROTTLE CONTROL ACTUATOR VISUALLY

1.

Turn ignition switch OFF.

2.

Remove the intake air duct.

DTC No.

Trouble diagnosis name

DTC detecting condition

Possible cause

P1121

Electric throttle control
actuator

A)

Electric throttle control actuator does not function
properly due to the return spring malfunction.

• Electric throttle control actuator

B)

Throttle valve opening angle in fail-safe mode is
not in specified range.

C)

ECM detect the throttle valve is stuck open.