Nissan Qashqai J11. Manual - part 356

INFORMATION DISPLAY (ASCD)

ECM-401

< DTC/CIRCUIT DIAGNOSIS >

[MR20DD]

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INFORMATION DISPLAY (ASCD)

Component Function Check

INFOID:0000000010703087

1.

CHECK INFORMATION DISPLAY

1.

Start engine.

2.

Press MAIN switch on ASCD steering switch.

3.

Drive the vehicle at more than 40 km/h (25 MPH).

CAUTION:

Always drive vehicle at a safe speed.

4.

Press SET/COAST switch.

5.

Check that the reading of the speedometer shows the same value as the set speed indicated in the infor-
mation display while driving the vehicle on a flat road.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Proceed to 

ECM-401, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000010703088

1.

CHECK DTC

1.

Check that DTC UXXXX is not displayed.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Perform trouble diagnosis for DTC UXXXX. Refer to 

ECM-93, "DTC Index"

.

2.

CHECK DTC WITH COMBINATION METER

Check DTC with combination meter. Refer to 

MWI-29, "CONSULT Function (METER/M&A)"

.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Perform trouble diagnosis for DTC indicated.

3.

CHECK INTERMITTENT INCIDENT

Check intermittent incident. Refer to 

GI-41, "Intermittent Incident"

.

Is the inspection result normal?

YES

>> Replace combination meter. Refer to 

MWI-80, "Removal and Installation"

.

NO

>> Repair or replace error-detected parts.

ECM-402

< DTC/CIRCUIT DIAGNOSIS >

[MR20DD]

CLUTCH PEDAL POSITION SWITCH

CLUTCH PEDAL POSITION SWITCH

Description

INFOID:0000000010703089

Clutch pedal position switch signal is applied to the ECM through the clutch pedal position switch when the
clutch pedal is depressed.

Component Function Check

INFOID:0000000010703090

1.

CHECK FOR CLUTCH PEDAL POSITION SWITCH FUNCTION

1.

Turn ignition switch ON.

2.

Check the voltage between ECM harness connector the following conditions.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Refer to 

ECM-402, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000010703091

1.

CHECK CLUTCH PEDAL POSITION SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT

1.

Turn ignition switch OFF.

2.

Disconnect clutch pedal position switch harness connector.

3.

Disconnect ECM harness connector.

4.

Check the continuity between clutch pedal position switch harness connector and ECM harness connec-
tor.

5.

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

Is the inspection result normal?

YES

>> GO TO 2.

NO

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

2.

CHECK CLUTCH PEDAL POSITION SWITCH GROUND CIRCUIT FOR OPEN AND SHORT

1.

Check the continuity between clutch pedal position switch harness connector and ground.

2.

Also check harness for short to power.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> GO TO 3.

3.

DETECT MALFUNCTIONING PART

Check the following.
• Harness for open and short between clutch pedal position switch and ground

ECM

Condition

Voltage

Connector

+

-

Terminal

Terminal

E57

108

128

Clutch pedal

Slightly depressed

Battery voltage

Fully released

Approx. 0 V

Clutch pedal position switch

ECM

Continuity

Connector

Terminal

Connector

Terminal

E2

1

E57

108

Existed

Clutch pedal position switch

Ground

Continuity

Connector

Terminal

E2

2

Ground

Existed

CLUTCH PEDAL POSITION SWITCH

ECM-403

< DTC/CIRCUIT DIAGNOSIS >

[MR20DD]

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

4.

CHECK CLUTCH PEDAL POSITION SWITCH

Refer to 

ECM-403, "Component Inspection (Clutch Pedal Position Switch)"

.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Replace clutch pedal assembly.

5.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-41, "Intermittent Incident"

.

>> INSPECTION END

Component Inspection (Clutch Pedal Position Switch)

INFOID:0000000010703092

1.

CHECK CLUTCH PEDAL POSITION SWITCH-1

1.

Turn ignition switch OFF.

2.

Disconnect clutch pedal position switch harness connector

3.

Check the continuity between clutch pedal position switch terminal under the following conditions.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> GO TO 2.

2.

CHECK CLUTCH PEDAL POSITION SWITCH-2

1.

Adjust clutch pedal position switch installation. Refer to 

CL-7, "Inspection and Adjustment"

.

2.

Check the continuity between clutch pedal position switch terminals under the following conditions.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace clutch pedal assembly.

Terminal

Condition

Continuity

1 and 2

Clutch pedal

Slightly depressed

Not existed

Fully released

Existed

Terminals

Condition

Continuity

1 and 2

Clutch pedal

Slightly depressed

Not existed

Fully released

Existed

ECM-404

< DTC/CIRCUIT DIAGNOSIS >

[MR20DD]

BRAKE PEDAL POSITION SWITCH

BRAKE PEDAL POSITION SWITCH

Component Function Check

INFOID:0000000010703093

1.

CHECK BRAKE PEDAL POSITION SWITCH FUNCTION

With CONSULT

1.

Turn ignition switch ON.

2.

Select “BRAKE SW” in “DATA MONITOR” mode with CONSULT.

3.

Check “BRAKE SW” 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.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Proceed to 

ECM-404, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000010703094

1.

CHECK BRAKE PEDAL POSITION SWITCH CIRCUIT

With CONSULT

1.

Turn ignition switch ON.

2.

Select “BRAKE SW 1” in “DATA MONITOR” mode of “ENGINE” with CONSULT.

3.

Check “BRAKE SW 1” 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.

Is the inspection result normal?

Monitor item

Condition

Indication

BRAKE SW 1

Brake pedal

Slightly de-
pressed

OFF

Fully re-
leased

ON

ECM

Condition

Voltage

(Approx.)

Connector

+

–

Terminal

E57

116

128

Brake pedal

Slightly de-
pressed

0 V

Fully released

Battery voltage

Monitor item

Condition

Indication

BRAKE SW 1

Brake pedal

Slightly de-
pressed

OFF

Fully re-
leased

ON

ECM

Condition

Voltage

(Approx.)

Connector

+

–

Terminal

E57

116

128

Brake pedal

Slightly depressed

0 V

Fully released

Battery voltage