Nissan Tiida C11. Manual - part 633

EC-1182

< COMPONENT DIAGNOSIS >

[K9K]

P0651 SENSOR POWER SUPPLY

P0651 SENSOR POWER SUPPLY

DTC Logic

INFOID:0000000001162651

DTC DETECTION LOGIC

NOTE:
• If DTC P0651 is displayed with DTC P0225, P0235, first perform trouble diagnosis for DTC P0651.
• Conditions for applying the diagnostic procedure to the stored DTCs:

 The DTC is declared present after the ignition has been switched on.

• If the DTC is present:
• Malfunction indicator (Red) lights up.

Diagnosis Procedure

INFOID:0000000001162652

1.

CHECK GROUND CONNECTION

1.

Turn ignition switch OFF.

2.

Check ground connection E15. Refer to Ground Inspection in 

GI-58, "Circuit Inspection"

. 

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace ground connection.

2.

CHECK ACCELERATOR PEDAL POSITION SENSOR 1 POWER SUPPLY CIRCUIT

1.

Disconnect accelerator pedal position (APP) sensor harness connector.

2.

Turn ignition switch ON.

3.

Check the voltage between APP sensor harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> GO TO 3.

3.

CHECK SENSOR POWER SUPPLY CIRCUITS

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

Is the inspection result normal?

YES

>> GO TO 5.

NO

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

4.

CHECK SENSOR GROUND CIRCUITS

DTC No.

Trouble diagnosis name

Possible cause

P0651

SENSOR POWER SUPPLY CIRCUIT
• 1.DEF: Parameter at minimum level
• 2.DEF: Parameter at maximum level

• Harness or connectors

(The APP sensor 1 power supply circuit is shorted.)
(Turbocharger boost sensor circuit is shorted.)

• Accelerator pedal position sensor

(APP sensor 1)

• Turbocharger boost sensor

APP sensor

Ground

Voltage

Connector

Terminal

E12 (LHD models)

M204 (RHD models)

4

Ground

Approx. 5V

ECM

Sensor

Connector

Terminal

Name

Connector

Terminal

E16

122

APP sensor

E12 (LHD models)

M204 (RHD models)

4

F10

36

Turbocharger boost sensor

F50

1

P0651 SENSOR POWER SUPPLY

EC-1183

< COMPONENT DIAGNOSIS >

[K9K]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

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

Is the inspection result normal?

YES

>> GO TO 5.

NO

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

5.

CHECK TURBOCHARGER BOOST SENSOR

• Turbocharger boost sensor (Refer to 

EC-1119, "Component Inspection"

.)

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Replace Turbocharger boost sensor.

6.

CHECK APP SENSOR

Refer to 

EC-1146, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 7.

NO

>> Replace APP sensor.

7.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-55, "Intermittent Incident"

.

>> INSPECTION END

ECM

Sensor

Connector

Terminal

Name

Connector

Terminal

E16

127

APP sensor

E12 (LHD models)

M204 (RHD models)

2

F10

43

Turbocharger boost sensor

F50

2

EC-1184

< COMPONENT DIAGNOSIS >

[K9K]

P0685 ECM RELAY

P0685 ECM RELAY

DTC Logic

INFOID:0000000001162653

DTC DETECTION LOGIC

NOTE:
• If the DTC is present:
- Malfunction indicator (Red) lights up.

Diagnosis Procedure

INFOID:0000000001162654

1.

CHECK GROUND CONNECTION

1.

Turn ignition switch OFF.

2.

Check ground connection E15. Refer to Ground Inspection in 

GI-58, "Circuit Inspection"

.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace ground connection.

2.

CHECK ECM GROUND CIRCUIT FOR OPEN AND SHORT

1.

Check the continuity between ECM harness connector and ground.

2.

Also check harness for short to power.

Is the inspection result normal?

YES

>> GO TO 3.

NO

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

3.

CHECK ECM POWER SUPPLY CIRCUIT

Check the voltage between ECM harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> GO TO 6.

4.

CHECK ECM POWER SUPPLY CIRCUIT-II

1.

Disconnect ECM harness connector.

2.

Disconnect IPDM E/R harness connector E43.

3.

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

DTC No.

Trouble diagnosis name

Possible cause

P0685

ECM RELAY CIRCUIT
• CO: Open circuit
• CC.0: Short circuit to ground
• CC.1: Short circuit to +12V

• Harness or connectors

(The ECM relay circuit is open or short-
ed.)

• IPDM E/R (ECM relay)

ECM

Ground

Continuity

Connector

Terminal

E16

123

Ground

Existed

124

125

128

+

–

Voltage

Connector

Terminal

Connector

Terminal

F11

60

E16

128

Battery voltage

P0685 ECM RELAY

EC-1185

< COMPONENT DIAGNOSIS >

[K9K]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

4.

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

Is the inspection result normal?

YES

>> GO TO 8.

NO

>> GO TO 5.

5.

DETECT MALFUNCTIONING PART

Check the following.
• Harness or connectors E8, F8
• Harness for open or short between ECM and IPDM E/R

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

6.

CHECK ECM POWER SUPPLY CIRCUIT-III

1.

Disconnect ECM harness connector.

2.

Disconnect IPDM E/R harness connector E43.

3.

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

4.

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

Is the inspection result normal?

YES

>> GO TO 7.

NO

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

7.

CHECK 20A FUSE

1.

Disconnect 20A fuse (No. 53) from IPDM E/R.

2.

Check 20A fuse.

Is the inspection result normal?

YES

>> GO TO 8.

NO

>> Replace 20A fuse.

8.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-55, "Intermittent Incident"

.

Is the inspection result normal?

YES

>> Replace IPDM E/R.

NO

>> Repair or replace.

ECM

IPDM E/R

Continuity

Connector

Terminal

Connector

Terminal

E68

53

E43

4

Existed

54

3

ECM

IPDM E/R

Continuity

Connector

Terminal

Connector

Terminal

F11

60

E43

7

Existed