Nissan Murano Z51. Manual - part 584

 

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Nissan Murano Z51. Manual - part 584

 

 

EC-344

< DTC/CIRCUIT DIAGNOSIS >

[VQ35DE]

P0643 SENSOR POWER SUPPLY

Is the inspection result normal?

YES

>> GO TO 7.

NO

>> GO TO 3.

3.

CHECK SENSOR POWER SUPPLY CIRCUIT

Check harness for short to power and short to ground, between the following terminals.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair short to ground or short to power in harness or connectors.

4.

CHECK COMPONENTS

Check the following.
• Camshaft position sensor (PHASE) (Refer to 

EC-260, "Component Inspection"

.)

• Battery current sensor (Refer to 

EC-360, "Component Inspection"

.)

• Power steering pressure sensor (Refer to 

EC-336, "Component Inspection"

.)

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Replace malfunctioning component.

5.

CHECK TP SENSOR

Refer to 

EC-174, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 9.

NO

>> GO TO 6.

6.

REPLACE ELECTRIC THROTTLE CONTROL ACTUATOR

1.

Replace electric throttle control actuator.

2.

Go to 

EC-174, "Special Repair Requirement"

.

>> INSPECTION END

7.

CHECK APP SENSOR

Refer to 

EC-409, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 9.

NO

>> GO TO 8.

8.

REPLACE ACCELERATOR PEDAL ASSEMBLY

1.

Replace accelerator pedal assembly.

2.

Go to 

EC-409, "Special Repair Requirement"

.

>> INSPECTION END

9.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-39, "Intermittent Incident"

.

ECM

Sensor

Connector

Terminal

Name

Connector

Terminal

F8

47

TP sensor

F29

1

51

Battery current sensor

F76

1

55

PSP sensor

F62

3

59

CMP sensor (PHASE) (bank 1)

F26

1

63

CMP sensor (PHASE) (bank 2)

F69

1

E16

83

APP sensor

E110

4

P0643 SENSOR POWER SUPPLY

EC-345

< DTC/CIRCUIT DIAGNOSIS >

[VQ35DE]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

>> INSPECTION END

EC-346

< DTC/CIRCUIT DIAGNOSIS >

[VQ35DE]

P0850 PNP SWITCH

P0850 PNP SWITCH

Description

INFOID:0000000005536740

When the selector lever position is P or N, park/neutral position (PNP) signal from the TCM is sent to ECM.

DTC Logic

INFOID:0000000005536741

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

INSPECTION START

Will CONSULT-III be used?

Will CONSULT-III be used?

YES

>> GO TO 2.

NO

>> GO TO 5.

2.

PRECONDITIONING

If DTC Confirmation Procedure has been previously conducted, always perform the following before conduct-
ing 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.

CHECK PNP SIGNAL

With CONSULT-III

1.

Turn ignition switch ON.

2.

Select “P/N POSI SW” in “DATA MONITOR” mode with CONSULT-III. Then check the “P/N POSI SW” sig-
nal under the following conditions.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Go to 

EC-347, "Diagnosis Procedure"

.

4.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Select “DATA MONITOR” mode with CONSULT-III.

2.

Start engine and warm it up to normal operating temperature.

3.

Maintain the following conditions for at least 50 consecutive seconds.

CAUTION:

Always drive vehicle at a safe speed.

DTC No.

Trouble diagnosis name

DTC detecting condition

Possible cause

P0850

Park/neutral position 
switch

The signal of the park/neutral position (PNP) 
signal does not change during driving after the 
engine is started.

• Harness or connectors

[The park/neutral position (PNP) signal 
circuit is open or shorted.]

• TCM

Position (Selector lever)

Known-good signal

N or P position

ON

Except above position

OFF

ENG SPEED

1,100 - 6,375 rpm

COOLAN TEMP/S

More than 70

°

C (158

°

F)

B/FUEL SCHDL

4.0 - 31.8 msec

P0850 PNP SWITCH

EC-347

< DTC/CIRCUIT DIAGNOSIS >

[VQ35DE]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

4.

Check 1st trip DTC.

Is 1st trip DTC detected?

YES

>> Go to 

EC-347, "Diagnosis Procedure"

.

NO

>> INSPECTION END

5.

PERFORM COMPONENT FUNCTION CHECK

Perform component function check. Refer to 

EC-347, "Component Function Check"

.

NOTE:
Use component function check to check the overall function of the park/neutral position (PNP) signal circuit.
During this check, a 1st trip DTC might not be confirmed.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Go to 

EC-347, "Diagnosis Procedure"

.

Component Function Check

INFOID:0000000005536742

1.

PERFORM COMPONENT FUNCTION CHECK

1.

Turn ignition switch ON.

2.

Check the voltage between ECM harness connector terminals.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Go to 

EC-347, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000005536743

1.

CHECK DTC WITH TCM

Refer to 

EC-498, "DTC Index"

.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace malfunctioning part.

2.

CHECK STARTING SYSTEM

Turn ignition switch OFF, then turn it to START.

Does starter motor operate?

YES

>> GO TO 3.

NO

>> Refer to 

BCS-17, "COMMON ITEM : CONSULT-III Function (BCM - COMMON ITEM)"

.

3.

CHECK PNP INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT-I

1.

Turn ignition switch OFF.

2.

Disconnect TCM harness connector.

3.

Disconnect IPDM E/R harness connector.

4.

Check the continuity between TCM harness connector and IPDM E/R harness connector.

VHCL SPEED SE

More than 64 km/h (40 mph)

Selector lever

Suitable position

ECM

Condition

Voltage

Connector

+

Terminal

Terminal

E16

102

112

Selector lever 

position

P or N

Battery voltage

Except above

Approx. 0 V

 

 

 

 

 

 

 

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