Nissan Qashqai J11. Manual - part 542

EC9-324

< DTC/CIRCUIT DIAGNOSIS >

[R9M]

P1546 EXHAUST GAS TEMPERATURE

P1546 EXHAUST GAS TEMPERATURE

DTC Logic

INFOID:0000000010309313

DTC DETECTION LOGIC

NOTE:
If DTC P1546 is displayed with following DTC, first perform the trouble diagnosis for following DTC.
Refer to 

EC9-108, "DTC Index"

.

• DTC P0001, P0002, P0101, P0190, P0200, P0201, P0202, P0203, P0204, P0627, P1453, P1544 and

P2002.

DTC CONFIRMATION PROCEDURE

1.

PERFORM DIAGNOSIS PROCEDURE

NOTE:
DTC P1546 can not duplicate.

>> Proceed to 

EC9-324, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000010309314

1.

CHECK OTHER DTC

If DTC P1546 is displayed with other DTC, perform trouble diagnosis for other DTC.

>> INSPECTION END.

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC detecting condition

Possible cause

P1546

TEMP. UPSTREAM OF PF
(Temperature upstream of 
particle filter)
• 1.DEF: EXCESSIVE TEM-

PERATURE

Diesel particulate filter temperature is more than 
1,200 

°

C (2,192 

°

F).

Diesel particulate filter

P1589 NEUTRAL SWITCH

EC9-325

< DTC/CIRCUIT DIAGNOSIS >

[R9M]

C

D

E

F

G

H

I

J

K

L

M

A

EC9

N

P

O

P1589 NEUTRAL SWITCH

DTC Logic

INFOID:0000000010499334

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PERFORM COMPONENT FUNCTION CHECK

Perform component function check. Refer to 

EC9-325, "Component Function Check"

.

NOTE:
Use Component Function Check the overall function of the neutral position switch circuit. During this check,
the DTC might not be confirmed.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Proceed to 

EC9-326, "2WD : Diagnosis Procedure"

 (2WD models), 

EC9-327, "4WD : Diagnosis

Procedure"

 (4WD models).

Component Function Check

INFOID:0000000010505128

1.

PERFORM COMPONENT FUNCTION CHECK

With CONSULT

1.

Turn ignition switch ON.

2.

Select “MANUAL GEARBOX LEVER IN NEUTRAL” in “DATA MONITOR” mode of “ECM” using CON-
SULT.

3.

Check the “MANUAL GEARBOX LEVER IN NEUTRAL” indication as per the following conditions.

Without CONSULT

1.

Turn ignition switch ON.

2.

Check the voltage between ECM harness connectors as per the following conditions.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Proceed to 

EC9-326, "2WD : Diagnosis Procedure"

 (2WD models), 

EC9-327, "4WD : Diagnosis

Procedure"

 (4WD models).

2WD

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC detecting condition

Possible cause

P1589

GEAR BOX NEUTRAL CON-
TACTOR
(Gear box neutral contactor)
• 1.DEF: IMPLAUSIBLE 

SIGNAL

Neutral position switch signal remains ON for a 
long driving distance.

• Harness and connectors

(Neutral position switch circuit is 
shorted.)

• Neutral position switch

Selector lever position

Indication

Neutral position

DETECTED

Except above position

NOT DETECTED

+

−

Condition

Voltage

(Approx.)

ECM

Connector

Terminal

F82

80

Ground

Shift lever

Neutral

Battery voltage

Except above

0 V

EC9-326

< DTC/CIRCUIT DIAGNOSIS >

[R9M]

P1589 NEUTRAL SWITCH

2WD : Diagnosis Procedure

INFOID:0000000010499335

1.

CHECK FUSE

Check that the following fuse is not fusing.

Is the fuse fusing?

YES

>> Replace the fuse after repairing the applicable circuit.

NO

>> GO TO 2.

2.

CHECK REVERSE/NEUTRAL POSITION SWITCH POWER SUPPLY

1.

Turn ignition switch OFF.

2.

Disconnect reverse/neutral position switch harness connector.

3.

Turn ignition switch ON.

4.

Check the voltage between reverse/neutral position switch harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> GO TO 3.

3.

CHECK REVERSE/NEUTRAL POSITION SWITCH POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect IPDM E/R harness connector.

3.

Check the continuity between reverse/neutral position switch harness connector and IPDM E/R harness
connector.

Is the inspection result normal?

YES

>> Perform the trouble diagnosis for power supply circuit.

NO

>> Repair or replace error-detected parts.

4.

CHECK REVERSE/NEUTRAL POSITION INPUT SIGNAL CIRCUIT-1

1.

Turn ignition switch OFF.

2.

Disconnect ECM harness connector.

3.

Check the continuity between reverse/neutral position switch harness connector and ECM harness con-
nector.

4.

Also check harness for short to ground.

Fuse No.

Capacity

#67

10 A

+

−

Voltage

(Approx.)

Reverse/Neutral position switch

Connector

Terminal

F100

2

Ground

Battery voltage

+

−

Continuity

Reverse/Neutral position 

switch

IPDM E/R

Connector

Terminal

Connector

Terminal

F100

2

F90

101

Existed

+

−

Continuity

Reverse/Neutral position 

switch

ECM

Connector

Terminal

Connector

Terminal

F100

3

F82

80

Existed

P1589 NEUTRAL SWITCH

EC9-327

< DTC/CIRCUIT DIAGNOSIS >

[R9M]

C

D

E

F

G

H

I

J

K

L

M

A

EC9

N

P

O

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Repair or replace error-detected parts.

5.

CHECK NEUTRAL POSITION INPUT SIGNAL CIRCUIT-2

1.

Disconnect IPDM E/R harness connector.

2.

Check the continuity between reverse/neutral position switch harness connector and IPDM E/R harness
connector.

3.

Also check harness for short to ground.

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Repair or replace error-detected parts.

6.

CHECK INTERMITTENT INCIDENT

Check intermittent incident. Refer to 

GI-41, "Intermittent Incident"

.

Is the inspection result normal?

YES

>> Replace reverse/Neutral position switch.

NO

>> Repair or replace error-detected parts.

4WD

4WD : Diagnosis Procedure

INFOID:0000000010505115

1.

CHECK FUSE

Check that the following fuse is not fusing.

Is the fuse fusing?

YES

>> Replace the fuse after repairing the applicable circuit.

NO

>> GO TO 2.

2.

CHECK NEUTRAL POSITION SWITCH POWER SUPPLY

1.

Turn ignition switch OFF.

2.

Disconnect neutral position switch harness connector.

3.

Turn ignition switch ON.

4.

Check the voltage between neutral position switch harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> GO TO 3.

3.

CHECK NEUTRAL POSITION SWITCH POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect IPDM E/R harness connector.

+

−

Continuity

Reverse/Neutral position 

switch

IPDM E/R

Connector

Terminal

Connector

Terminal

F100

3

F89

78

Existed

Fuse No.

Capacity

#67

10 A

+

−

Voltage

(Approx.)

Neutral position switch

Connector

Terminal

F159

2

Ground

Battery voltage