Nissan X-Trail 32. Manual - part 899

 

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Nissan X-Trail 32. Manual - part 899

 

 

P1564 ASCD STEERING SWITCH

EC-725

< DTC/CIRCUIT DIAGNOSIS >

[QR25DE]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

NO

>> GO TO 2.

2.

CHECK ASCD STEERING SWITCH CIRCUIT

 With CONSULT

1.

Turn ignition switch ON.

2.

Select “CANCEL SW”, “RESUME/ACC SW” and “SET SW” in “DATA MONITOR” mode of “ENGINE”
using CONSULT.

3.

Check each item indication as per the following conditions.

 Without CONSULT

1.

Turn ignition switch ON.

2.

Check the voltage between ECM harness connector terminals.

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> GO TO 3.

3.

CHECK ASCD STEERING SWITCH GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect ECM harness connector.

3.

Disconnect combination switch (spiral cable) harness connector.

4.

Check the continuity between combination switch (spiral cable) and ECM harness connector.

5.

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 ASCD STEERING SWITCH INPUT SIGNAL CIRCUIT

Monitor item

Condition

Indication

MAIN SW

MAIN switch

Pressed

ON

Released

OFF

CANCEL SW

CANCEL switch

Pressed

ON

Released

OFF

RESUME/ACC 
SW

ACCEL/RES switch

Pressed

ON

Released

OFF

SET SW

COAST/SET switch

Pressed

ON

Released

OFF

ECM

Condition

Voltage

(Approx.)

Connector

+

-

Terminal

E60

110

111

MAIN switch: Pressed

0 V

CANCEL switch: Pressed

1 V

COAST/SET switch: Pressed

2 V

ACCEL/RES switch: Pressed

3 V

All ASCD steering switches: Released

4 V

+

Continuity

Combination switch

(Spiral cable)

ECM

Connector

Terminal

Connector

Terminal

M33

28

E60

111

Existed

EC-726

< DTC/CIRCUIT DIAGNOSIS >

[QR25DE]

P1564 ASCD STEERING SWITCH

1.

Check the continuity between ECM harness connector and combination switch.

2.

Also check harness for short to ground and to power.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Repair or replace error-detected parts.

5.

CHECK ASCD STEERING SWITCH

Refer to 

EC-726, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Replace ASCD steering switch. Refer to 

CHG-46, "QR25DE : Removal and Installation"

.

6.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-44, "Intermittent Incident"

.

>> INSPECTION END

Component Inspection

INFOID:0000000010986434

1.

CHECK ASCD STEERING SWITCH

1.

Disconnect combination switch (spiral cable) harness connector.

2.

Check the resistance between combination switch harness connector terminals as per the following condi-
tions.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace ASCD steering switch. Refer to 

ST-12, "Removal and Installation"

.

+

Continuity

Combination switch

(Spiral cable)

ECM

Connector

Terminal

Connector

Terminal

M33

27

E60

110

Existed

Combination switch

(Spiral cable)

Condition

Resistance

(Approx.)

Connector

+

Terminals

M303

9

8

MAIN switch: Pressed

CANCEL switch: Pressed

250 

COAST/SET switch: Pressed

660 

ACCEL/RES switch: Pressed

1,480 

All ASCD steering switches: Released

4,000 

P1568 SIGNAL INVALID

EC-727

< DTC/CIRCUIT DIAGNOSIS >

[QR25DE]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

P1568 SIGNAL INVALID

DTC Description

INFOID:0000000010986435

DTC DETECTION LOGIC

POSSIBLE CAUSE

• Chassis control module
• ECM

FAIL-SAFE

Active trace control does not function.

DTC CONFIRMATION PROCEDURE

1.

CHECK DTC PRIORITY

If DTC P1568 is displayed with DTC UXXXX, first perform the confirmation procedure for DTC UXXXX.

Is applicable DTC detected?

YES

>> Perform diagnosis for detected DTC. Refer to 

EC-517, "DTC Index"

.

NO

>> GO TO 2.

2.

PRECONDITIONING

If DTC Confirmation Procedure has been previously conducted, always perform the following procedure
before conducting the next test. 
1.

Turn ignition switch OFF and wait at least 10 seconds.

2.

Turn ignition switch ON.

3.

Turn ignition switch OFF and wait at least 10 seconds.

>> GO TO 3.

3.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Turn ignition switch ON and wait at least 5 seconds.

2.

Check DTC.

Is DTC detected?

YES

>> Proceed to 

EC-727, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000010986436

1.

CHECK DTC PRIORITY

If DTC P1568 is displayed with DTC UXXXX, first perform the confirmation procedure for DTC UXXXX.
Is applicable DTC detected?

YES

>> Perform diagnosis for detected DTC. Refer to 

EC-517, "DTC Index"

.

NO

>> GO TO 2.

2.

CHECK SELF-DIAGNOSTIC RESULT OF CHASSIS CONTROL MODULE

Check that the chassis control module does not detect any DTC.

Is any DTC detected?

YES

>> GO TO 3.

NO

>> Replace chassis control module. Refer to 

DAS-278, "Removal and Installation"

.

3.

REPLACE CHASSIS CONTROL MODULE

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC detecting condition

P1568

ICC COMMAND VALUE
(Intelligent cruise control command value)

ECM detects that a throttle valve opening angle request signal sent from 
chassis control module is difference from the specified value calculated by 
ECM.

EC-728

< DTC/CIRCUIT DIAGNOSIS >

[QR25DE]

P1568 SIGNAL INVALID

1.

Replace chassis control module. Refer to 

DAS-278, "Removal and Installation"

.

2.

Perform DTC Confirmation Procedure again.

Is DTC P1568 detected again?

YES

>> Replace ECM. Refer to 

EC-806, "Removal and Installation"

.

NO

>> INSPECTION END

 

 

 

 

 

 

 

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