Nissan March K13. Manual - part 198

P1554 BATTERY CURRENT SENSOR

EC-253

< DTC/CIRCUIT DIAGNOSIS >

[HR12DE (TYPE 1)]

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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.

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-253, "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:0000000006057773

1.

CHECK BATTERY CURRENT SENSOR

1.

Turn ignition switch OFF.

2.

Reconnect harness connectors disconnected.

Battery current sensor

ECM

Continuity

Connector

Terminal

Connector

Terminal

F53

3

F16

68

Existed

Battery current sensor

ECM

Continuity

Connector

Terminal

Connector

Terminal

F53

4

F16

58

Existed

EC-254

< DTC/CIRCUIT DIAGNOSIS >

[HR12DE (TYPE 1)]

P1554 BATTERY CURRENT SENSOR

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.

ECM

Voltage (V)

Connector

+

–

Terminal

Terminal

F16

58

(Battery current sensor signal)

68

Approx. 2.5

JPBIA3287ZZ

P1805 BRAKE SWITCH

EC-255

< DTC/CIRCUIT DIAGNOSIS >

[HR12DE (TYPE 1)]

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P1805 BRAKE SWITCH

DTC Logic

INFOID:0000000005989344

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Turn ignition switch ON.

2.

Fully depress the brake pedal for at least 5 seconds.

3.

Erase DTC.

4.

Check 1st trip DTC.

Is 1st trip DTC detected?

YES

>> Go to 

EC-255, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000005989345

1.

CHECK STOP LAMP SWITCH CIRCUIT

1.

Turn ignition switch OFF.

2.

Check the stop lamp when depressing and releasing the brake pedal.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> GO TO 2.

2.

CHECK STOP LAMP SWITCH POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect stop lamp switch harness connector.

3.

Check the voltage between stop lamp switch harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> GO TO 3.

3.

DETECT MALFUNCTIONING PART

Check harness for open or short between stop lamp switch and battery.

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

4.

CHECK STOP LAMP SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT

1.

Disconnect stop lamp switch harness connector.

2.

Disconnect ECM harness connector.

DTC No.

Trouble diagnosis name

DTC detecting condition

Possible cause

P1805

Brake switch

A brake switch signal is not sent to ECM 
for extremely long time while the vehicle is 
driving.

• Harness or connectors

(Stop lamp switch circuit is open or shorted.)

• Stop lamp switch

Brake pedal

Stop lamp

Fully released

Not illuminated

Slightly depressed

Illuminated

Stop lamp switch

Ground

Voltage

Connector

Terminal

E114

1

Ground

Battery voltage

EC-256

< DTC/CIRCUIT DIAGNOSIS >

[HR12DE (TYPE 1)]

P1805 BRAKE SWITCH

3.

Check the continuity between ECM harness connector and stop lamp switch harness connector.

4.

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

Is the inspection result normal?

YES

>> GO TO 5.

NO

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

5.

CHECK STOP LAMP SWITCH

Check stop lamp switch. Refer to 

EC-256, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Replace brake pedal assembly. Refer to 

BR-16, "Exploded View"

.

6.

CHECK INTERMITTENT INCIDENT

Check intermittent incident. Refer to 

GI-33, "Intermittent Incident"

.

>> Repair or replace malfunctioning part.

Component Inspection

INFOID:0000000005989346

1.

CHECK STOP LAMP SWITCH-I

1.

Turn ignition switch OFF.

2.

Disconnect stop lamp switch harness connector.

3.

Check the continuity between stop lamp switch terminals under the following conditions.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> GO TO 2.

2.

CHECK STOP LAMP SWITCH-II

1.

Adjust stop lamp switch installation. Refer to 

BR-7, "Inspection and Adjustment"

.

2.

Check the continuity between stop lamp switch terminals under the following conditions.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace brake pedal assembly. Refer to 

BR-16, "Exploded View"

.

ECM

Stop lamp switch

Continuity

Connector

Terminal

Connector

Terminal

E18

99

E114

2

Existed

Terminals

Condition

Continuity

1 and 2

Brake pedal

Fully released

Not existed

Slightly depressed

Existed

Terminals

Condition

Continuity

1 and 2

Brake pedal

Fully released

Not existed

Slightly depressed

Existed