Nissan Qashqai J11. Manual - part 423

 

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Nissan Qashqai J11. Manual - part 423

 

 

ECK-252

< DTC/CIRCUIT DIAGNOSIS >

[K9K]

P0488 EGR SYSTEM

LOW PRESSURE EGR VOLUME CONTROL VALVE

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace EGR volume control valve.

EGR volume control valve

Resistance (Approx.)

+

-

Terminal

5

6

1.69 

P0504 STOP LAMP SWITCH

ECK-253

< DTC/CIRCUIT DIAGNOSIS >

[K9K]

C

D

E

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ECK

N

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P0504 STOP LAMP SWITCH

DTC Logic

INFOID:0000000010289842

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PRECONDITIONING

• Turn ignition switch OFF and wait at least 10 seconds.
• Turn ESP switch OFF. (with ESP)

>> GO TO 2.

2.

DTC CONFIRMATION PROCEDURE

1.

Start the engine.

2.

Drive the vehicle at more than 5 km/h (3 MPH) for at least 5 seconds.

3.

Depress the brake pedal and keep vehicle speed more than 5 km/h (3 MPH) for at least 5 seconds.
NOTE:
For M/T models: Clutch pedal is released.

4.

Check DTC.

Is DTC detected?

YES

>> Proceed to 

ECK-253, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000010289843

1.

CHECK STOP LAMP SWITCH FUNCTION

With CONSULT

1.

Turn ignition switch ON.

2.

Select “BRAKE PEDAL” in “DATA MONITOR” mode of “ENGINE” using CONSULT.

3.

Check indication as per the following conditions.

Without CONSULT

1.

Turn ignition switch ON.

2.

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

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC Detecting Condition

Possible Cause

P0504

BRAKE SWITCH SIGNAL CON-
SISTENCY
(Brake switch “A”/“B” correlation)
• 1.DEF:  —
• 2.DEF: OFFSET IMPLAUSIBLE
• 3.DEF: IMPLAUSIBLE SIGNAL

ECM detects ON signals sent from the stop 
lamp switch and the brake pedal position 
switch at the same time.

• Harness or connectors

(The stop lamp switch circuit is open 
or shorted.)
(The brake pedal position switch cir-
cuit is open or shorted.)

• Stop lamp switch
• Brake pedal position switch
• Incorrect stop lamp switch installa-

tion

• Incorrect brake pedal position 

switch installation

• ECM

Monitor item

Condition

Indication

BRAKE PEDAL

Brake pedal

Slightly depressed

On

Fully released

Off

ECK-254

< DTC/CIRCUIT DIAGNOSIS >

[K9K]

P0504 STOP LAMP SWITCH

Is the inspection result normal?

YES

>> INSPECTION END

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 3.

NO

>> Perform the trouble diagnosis for power supply circuit.

3.

CHECK STOP LAMP SWITCH INPUT SIGNAL CIRCUIT

1.

Disconnect ECM harness connector.

2.

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

3.

Also check harness for short to ground and to power.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace error-detected parts.

4.

CHECK STOP LAMP SWITCH

Check the stop lamp switch. Refer to 

ECK-382, "Component Inspection"

.

Is the inspection result normal?

YES

>> Check intermittent incident. Refer to 

GI-41, "Intermittent Incident"

.

NO

>> Replace stop lamp switch.

Component Inspection (Brake Pedal Position Switch)

INFOID:0000000010289844

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.

ECM

Condition

Voltage

(Approx.)

Connector

+

Terminal

E59

17

25

Brake pedal

Slightly de-
pressed

Battery voltage

Fully released

0 V

+

Voltage

Stop lamp switch

Connector

Terminal

E50

3

Ground

Battery voltage

+

Continuity

Stop lamp switch

ECM

Connector

Terminal

Connector

Terminal

E50

4

E59

17

Existed

P0504 STOP LAMP SWITCH

ECK-255

< DTC/CIRCUIT DIAGNOSIS >

[K9K]

C

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ECK

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P

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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-8, "Inspection and Adjustment"

(LHD models), 

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.

Stop lamp switch

Condition

Continuity

+

-

Terminals

3

 4

Brake pedal

Fully released

Not existed

Slightly de-
pressed

Existed

Stop lamp switch

Condition

Continuity

+

-

Terminals

3

 4

Brake pedal

Fully released

Not existed

Slightly de-
pressed

Existed

 

 

 

 

 

 

 

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