Nissan Qashqai J11. Manual - part 249

ECH-294

< DTC/CIRCUIT DIAGNOSIS >

[HRA2DDT]

P2263 TC SYSTEM

NO

>> Replace turbocharger boost sensor.

5.

CHECK TURBOCHARGER BOOST CONTROL SOLENOID VALVE

Check the turbocharger boost control solenoid valve.

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Repair or replace error-detected parts.

6.

CHECK TURBOCHARGER

Check the turbocharger.
Is the inspection result normal?

YES

>> Check intermittent incident. Refer to 

GI-41, "Intermittent Incident"

.

NO

>> Repair or replace error-detected parts.

P2504 CHARGING SYSTEM VOLTAGE

ECH-295

< DTC/CIRCUIT DIAGNOSIS >

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P2504 CHARGING SYSTEM VOLTAGE

DTC Logic

INFOID:0000000010500767

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 12 minutes before conducting the next test.

>> GO TO 2.

2.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Turn ignition switch ON and wait at least 5 seconds.

2.

Check DTC.

Is the DTC detected?

YES

>> Proceed to 

ECH-295, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000010929829

1.

CHECK DRIVE BELT

Check drive belt. Refer to 

EM-16, "Checking"

.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Adjust or replace drive belt.

2.

CHECK CHARGING SYSTEM

Check charging system. Refer to 

CHG-15, "Work Flow"

.

Is the inspection result normal?

YES

>> Check intermittent incident. Refer to 

GI-41, "Intermittent Incident"

.

NO

>> Repair or replace error-detected part.

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC detecting condition

Possible cause

P2504

CHARGING SYSTEM
(Charging system voltage 
high)

ECM detects poor performance of alterna-
tor.

• Harness or connectors
• Alternator

ECH-296

< DTC/CIRCUIT DIAGNOSIS >

[HRA2DDT]

STOP LAMP SWITCH

STOP LAMP SWITCH

Component Function Check

INFOID:0000000010500793

1.

CHECK STOP LAMP SWITCH FUNCTION

1.

Turn ignition switch ON.

2.

Check the voltage between ECM harness connector terminals as per the following condition.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Proceed to 

ECH-298, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000010500794

1.

CHECK STOP LAMP SWITCH FUNCTION

1.

Turn ignition switch ON.

2.

Check the voltage between ECM harness connector terminals as per the following conditions.

Is the inspection result normal?

YES

>> Check intermittent incident. Refer to 

GI-41, "Intermittent Incident"

.

NO-1 (Fixed at 0 V)>>GO TO 2.
NO-2 (Fixed at battery voltage)>>GO TO 4.

2.

CHECK STOP LAMP SWITCH POWER SUPPLY

1.

Turn ignition switch OFF.

2.

Disconnect stop lamp switch harness connector.

3.

Turn ignition switch ON.

4.

Check the voltage between stop lamp switch and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Perform trouble diagnosis for power supply circuit.

3.

CHECK STOP LAMP SWITCH SIGNAL CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect ECM harness connector.

3.

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

ECM

Condition

Voltage

(Approx.)

Connector

+

−

Terminal

E9

17

29

Brake pedal

Fully released

Battery voltage

Slightly depressed

0 V

ECM

Condition

Voltage

(Approx.)

Connector

+

−

Terminal

E9

17

29

Brake pedal

Fully released

Battery voltage

Slightly depressed

0 V

+

−

Voltage

 Stop lamp switch

Connector

Terminal

E50

3

Ground

Battery voltage

STOP LAMP SWITCH

ECH-297

< DTC/CIRCUIT DIAGNOSIS >

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4.

Also check harness for short to power.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace error-detected parts.

4.

CHECK STOP LAMP SWITCH

Check stop lamp switch. Refer to 

ECH-297, "Component Inspection"

.

Is the inspection result normal?

YES

>> Check intermittent incident. Refer to 

GI-41, "Intermittent Incident"

.

NO

>> Repair or replace error-detected parts.

Component Inspection

INFOID:0000000010500795

1.

CHECK STOP LAMP SWITCH-1

1.

Turn ignition switch OFF.

2.

Disconnect stop lamp switch harness connector.

3.

Check the continuity between stop lamp switch terminals as per the following conditions.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> GO TO 2.

2.

CHECK STOP LAMP SWITCH-2

1.

Adjust stop lamp switch installation. Refer to 

BR-18, "Inspection and Adjustment"

 (LHD models) or 

BR-52,

"Inspection and Adjustment"

 (RHD models).

2.

Check the continuity between stop lamp switch terminals as per the following conditions.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace stop lamp switch.

+

−

Continuity

 Stop lamp switch

ECM

Connector

Terminal

Connector

Terminal

E50

4

E9

17

Existed

Stop lamp switch

Condition

Continuity

+

−

Terminal

3

4

Brake pedal

Depressed

Not existed

Released

Existed

Stop lamp switch

Condition

Continuity

+

−

Terminal

3

4

Brake pedal

Depressed

Not existed

Released

Existed