Nissan March K13. Manual - part 195

P1402 EGR FUNCTION

EC-241

< DTC/CIRCUIT DIAGNOSIS >

[HR12DE (TYPE 1)]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

Check EGR volume control valve. Refer to 

EC-207, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Replace EGR volume control valve. Refer to 

EM-26, "Exploded View"

.

5.

CHECK EGR TEMPERATURE SENSOR

Check EGR temperature sensor. Refer to 

EC-211, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Replace EGR temperature sensor. Refer to 

EM-26, "Exploded View"

.

6.

CHECK INTERMITTENT INCIDENT

Check intermittent incident. Refer to 

GI-33, "Intermittent Incident"

.

>> Repair or replace malfunctioning part.

EC-242

< DTC/CIRCUIT DIAGNOSIS >

[HR12DE (TYPE 1)]

P1550 BATTERY CURRENT SENSOR

P1550 BATTERY CURRENT SENSOR

DTC Logic

INFOID:0000000005995503

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. 
TESTING CONDITION:
Before performing the following procedure, confirm that battery voltage is more than 8 V at idle.

>> GO TO 2.

2.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Start engine and wait at least 10 seconds.

2.

Check 1st trip DTC.

Is 1st trip DTC detected?

YES

>> Go to 

EC-242, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000005995504

1.

CHECK BATTERY CURRENT SENSOR POWER SUPPLY CIRCUIT-I

1.

Disconnect battery current sensor harness connector.

2.

Turn ignition switch ON.

3.

Check the voltage between battery current sensor harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 7.

NO

>> GO TO 2.

2.

CHECK BATTERY CURRENT SENSOR POWER SUPPLY CIRCUIT-II

1.

Turn ignition switch OFF.

2.

Disconnect ECM harness connector.

3.

Check the continuity between battery current sensor harness connector and ECM harness connector.

DTC No.

Trouble diagnosis name

DTC detecting condition

Possible cause

P1550

Battery current sensor circuit 
range/performance

The output voltage of the battery current 
sensor remains within the specified 
range while engine is running.

• Harness or connectors

(Battery current sensor circuit is open 
or shorted.)
[Crankshaft position sensor (POS) cir-
cuit is shorted.]
(Accelerator pedal position sensor cir-
cuit is shorted.)
(Refrigerant pressure sensor circuit is 
shorted.)

• Battery current sensor
• Crankshaft position sensor (POS)
• Accelerator pedal position sensor
• Refrigerant pressure sensor

Battery current sensor

Ground

Voltage

Connector

Terminal

F53

1

Ground

Approx. 5 V

P1550 BATTERY CURRENT SENSOR

EC-243

< DTC/CIRCUIT DIAGNOSIS >

[HR12DE (TYPE 1)]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair open circuit.

3.

CHECK SENSOR POWER SUPPLY CIRCUIT

Check harness for short to power and short to ground, between the following terminals.

Is the inspection result normal?

YES

>> GO TO 4.

NO

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

4.

CHECK COMPONENTS

Check the following.
• Crankshaft position sensor (POS) (Refer to 

EC-199, "Component Inspection"

.)

• Refrigerant pressure sensor (Refer to 

EC-297, "Diagnosis Procedure"

.)

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Replace malfunctioning components.

5.

CHECK APP SENSOR

Check app sensor. Refer to 

EC-277, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 10.

NO

>> GO TO 6.

6.

REPLACE ACCELERATOR PEDAL ASSEMBLY

1.

Replace accelerator pedal assembly.

2.

Go to 

XX-XX, "*****"

.

>> INSPECTION END

7.

CHECK BATTERY CURRENT SENSOR GROUND CIRCUIT FOR OPEN AND SHORT

1.

Turn ignition switch OFF.

2.

Disconnect ECM harness connector.

3.

Check the continuity between battery current sensor harness connector and ECM harness connector.

4.

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

Is the inspection result normal?

YES

>> GO TO 8.

NO

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

Battery current sensor

ECM

Continuity

Connector

Terminal

Connector

Terminal

F53

1

F16

71

Existed

ECM

Sensor

Connector

Terminal

Name

Connector

Terminal

F16

71

Battery current sensor

F53

1

75

CKP sensor (POS)

F20

E18

101

Refrigerant pressure sensor

E49

3

102

APP sensor

E110

5

Battery current sensor

ECM

Continuity

Connector

Terminal

Connector

Terminal

F53

3

F16

68

Existed

EC-244

< DTC/CIRCUIT DIAGNOSIS >

[HR12DE (TYPE 1)]

P1550 BATTERY CURRENT SENSOR

8.

CHECK BATTERY CURRENT SENSOR INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT

1.

Check the continuity between battery current sensor harness connector and ECM harness connector.

2.

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

Is the inspection result normal?

YES

>> GO TO 9.

NO

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

9.

CHECK BATTERY CURRENT SENSOR

Check battery current sensor. Refer to 

EC-244, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 10.

NO

>> Replace battery negative cable assembly.

10.

CHECK INTERMITTENT INCIDENT

Check intermittent incident. Refer to 

GI-33, "Intermittent Incident"

.

>> Repair or replace malfunctioning part.

Component Inspection

INFOID:0000000005995505

1.

CHECK BATTERY CURRENT SENSOR

1.

Turn ignition switch OFF.

2.

Reconnect harness connectors disconnected.

3.

Disconnect battery negative cable.

4.

Install jumper cable between battery negative terminal and body
ground.

5.

Turn ignition switch ON.

6.

Check the voltage between ECM harness connector terminals
under the following conditions.

Before measuring the terminal voltage, confirm that the battery is fully charged. Refer to 

PG-130, "How to Handle Battery"

.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace battery negative cable assembly.

Battery current sensor

ECM

Continuity

Connector

Terminal

Connector

Terminal

F53

4

F16

58

Existed

ECM

Voltage (V)

Connector

+

–

Terminal

Terminal

F16

58

(Battery current sensor signal)

68

Approx. 2.5

JPBIA3287ZZ