Nissan Qashqai J11. Manual — part 752

P188E ELECTRIC OIL PUMP

TM-583

< DTC/CIRCUIT DIAGNOSIS >

[CVT: RE0F10G]

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P188E ELECTRIC OIL PUMP

DTC Logic

INFOID:0000000010249642

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

CAUTION:

Be careful of the driving speed.

1.

PREPARATION BEFORE WORK

If another “DTC CONFIRMATION PROCEDURE” occurs just before, turn ignition switch OFF and wait for at
least 10 seconds, then perform the next test.

>> GO TO 2.

2.

CHECK DTC DETECTION

With CONSULT

1.

Start the engine.

2.

Maintain stop/start system operation state for 5 seconds or more. Refer to

EC9-39, "STOP/START SYS-

TEM : System Description (M/T models)"

.

NOTE:
If the engine restarts automatically, the system may be in fail safe.

3.

Check the DTC.

“P188E”detected?

DTC

Trouble diagnosis

name

DTC detection condition

Possible causes

P188E

Electric Oil Pump

When 1 is not satisfied and 2 is satisfied, and this state is
maintained for 1 second or more:
1.

When any of the following conditions are satisfied (diag-
nosis prohibition condition):

-

Battery voltage: 10 V or less

-

Electric oil pump relay ON is being instructed and within
0.52 seconds after battery voltage recovers from the
state that is 10 V or less

-

Electric oil pump relay OFF is being instructed

-

Within 0.35 seconds after ignition switch is turned ON

-

Within 1 second after electric oil pump traction is in-
structed

2.

When all of the following conditions are satisfied:

-

Electric oil pump traction is instructed

-

Electric oil pump relay ON is being instructed

-

Electric oil pump duty: Less than 46% or more than 54%

• Electric oil pump
• Electric oil pump relay
• TCM
• Harness or connector

(Open circuit or short circuit
in harness between the TCM
and the electric oil pump.)

When 1 is not satisfied and 2 is satisfied, and this state is
maintained for 1 second or more:
1.

When any of the following conditions are satisfied (diag-
nosis prohibition condition):

-

Battery voltage: 10 V or less

-

Electric oil pump relay ON is being instructed and within
0.52 seconds after battery voltage recovers from the
state that is 10 V or less

-

Electric oil pump relay OFF is being instructed

-

Within 0.35 seconds after ignition switch is turned ON

-

Within 0.52 seconds after electric oil pump relay ON is
being instructed

-

Within 0.25 seconds after electric oil pump stop is in-
structed

2.

When all of the following conditions are satisfied:

-

Electric oil pump stop is instructed

-

Electric oil pump relay ON is being instructed

-

Electric oil pump duty: Less than 26% or more than 34%

TM-584

< DTC/CIRCUIT DIAGNOSIS >

[CVT: RE0F10G]

P188E ELECTRIC OIL PUMP

YES

>> Go to

TM-584, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000010249643

1.

ELECTRIC OIL PUMP RELAY

1.

Check the electric oil pump relay. Refer to

TM-586, "Component Inspection (Electric Oil Pump Relay)"

.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Replace the electric oil pump relay.

2.

CHECK ELECTRIC OIL PUMP RELAY POWER CIRCUIT

Check voltage between the electric oil pump relay harness connector terminal and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 8.

3.

CHECK CIRCUIT BETWEEN TCM AND ELECTRIC OIL PUMP RELAY (PART 1)

1.

Disconnect the TCM connector.

2.

Check continuity between TCM harness connector terminal and electric oil pump relay harness connector
terminal.
NOTE:
• A diode is located between TCM and the electric oil pump relay.
• To check diode, refer to

TM-586, "Component Inspection (Diode)"

.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace malfunctioning parts.

4.

CHECK CIRCUIT BETWEEN TCM AND ELECTRIC OIL PUMP RELAY (PART 2)

Check continuity between the electric oil pump relay harness connector terminal and ground.

Is the inspection result normal?

YES

>> GO TO 5.

+

−

Condition

Voltage

Electric oil pump relay

Connector

Terminal

F119

1

Ground

Always

10 – 16 V

5

+

−

Continuity

TCM

Electric oil pump relay

Connector

Terminal

Connector

Terminal

F1

1

F119

2

Existed

+

−

Continuity

Electric oil pump relay

TCM

Connector

Terminal

Connector

Terminal

F119

2

F1

1

Not existed

Electric oil pump relay

—

Continuity

Connector

Terminal

F119

2

Ground

Not existed

P188E ELECTRIC OIL PUMP

TM-585

< DTC/CIRCUIT DIAGNOSIS >

[CVT: RE0F10G]

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NO

>> Repair or replace malfunctioning parts.

5.

CHECK ELECTRIC OIL PUMP RELAY SIGNAL

1.

Install the electric oil pump relay.

2.

Connect the TCM connector.

3.

Check the voltage between the TCM harness connector terminal and ground.

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Replace TCM. Refer to

TM-625, "Removal and Installation"

.

6.

CHECK TCM COMMAND SIGNAL

With CONSULT

1.

Turn ignition switch ON.

2.

Select “Data Monitor” in “TRANSMISSION”.

3.

Select “ELECTRIC OP DUTY”.

4.

Start the engine.

5.

Drive the vehicle and maintain the following condition.

6.

Activate stop/start system. Refer to.

EC9-39, "STOP/START SYSTEM : System Description (M/T mod-

els)"

.

Is the inspection result normal?

YES

>> GO TO 7.

NO

>> Replace TCM. Refer to

TM-625, "Removal and Installation"

.

7.

CHECK ELECTRIC OIL PUMP STATUS SIGNAL

With CONSULT

1.

Turn ignition switch OFF.

2.

Turn ignition switch ON.

3.

Select “E-OP DUTY MON”.

4.

Start the engine.

5.

Drive the vehicle and maintain the following condition.

+

−

Condition

Voltage

TCM

Connector

Terminal

F1

1

Ground

• Selector lever: “D”position
• Vehicle speed: 11 km/h (7 MPH) or more

10 – 16 V

• Selector lever: “D”position
• Vehicle speed: 6 km/h (3 MPH) or less

Approx. 0 V

Monitor item

Condition

Reference value/Status

ELECTRIC OP DUTY

Ignition switch: ON

5 – 15%

Monitor item

Condition

Reference value/Status

ELECTRIC OP DUTY

• Selector lever: “D”position
• Vehicle speed: 11 km/h (7 MPH) or more

5 – 15%

Monitor item

Condition

Reference value/Status

ELECTRIC OP DUTY

Stop/start system operating

55 – 85%

Monitor item

Condition

Reference value/Status

E-OP DUTY MON

Ignition switch: ON

25 – 35%

TM-586

< DTC/CIRCUIT DIAGNOSIS >

[CVT: RE0F10G]

P188E ELECTRIC OIL PUMP

6.

Activate stop/start system. Refer to

EC9-39, "STOP/START SYSTEM : System Description (M/T mod-

els)"

.

Is the inspection result normal?

YES >> Check

intermittent incident. Refer to

GI-41, "Intermittent Incident"

.

NO

>> There is a malfunction of the electric oil pump. Replace the electric oil pump & motor assembly.

Refer to

TM-648, "Removal and Installation"

.

8.

DETECTION OF MALFUNCTION ITEMS

Check the following items:

• Fuse block (J/B)
• 10A fuse [No. 79, located in fuse block (J/B)] Refer to

PG-97, "Fuse, Connector and Terminal Arrangement"

.

• Open circuit or short circuit in harness between battery positive terminal and electric oil pump relay harness

connector. Refer to

PG-11, "Wiring Diagram - BATTERY POWER SUPPLY -"

.

• Battery
Is the inspection result normal?

YES

>> Check intermittent incident. Refer to

GI-41, "Intermittent Incident"

.

NO

>> Repair or replace malfunctioning parts.

Component Inspection (Electric Oil Pump Relay)

INFOID:0000000010249644

1.

ELECTRIC OIL PUMP RELAY

1.

Remove the electric oil pump relay. Refer to

TM-430, "CVT CONTROL SYSTEM : Component Parts

Location"

.

2.

Apply voltage of 12 V between the electric oil pump relay connector terminals 1 and 2.

CAUTION:

• Never cause shorting between terminals.
• When applying voltage, put a fuse between terminals.

3.

Check continuity between the electric oil pump relay connector terminals 3 and 5.

Is the check result normal?

YES >> INSPECTION

END

NO

>> Replace the electric oil pump relay. Refer to

TM-430, "CVT CONTROL SYSTEM : Component

Parts Location"

.

Component Inspection (Diode)

INFOID:0000000010249645

• Check continuity with a tester.

Monitor item

Condition

Reference value/Status

E-OP DUTY MON

• Selector lever: “D”position
• Vehicle speed: 11 km/h (7 MPH) or more

0%

Monitor item

Condition

Reference value/Status

E-OP DUTY MON

Stop/start system operating

45 – 55%

Electric oil pump relay

Condition

Continuity

Terminal

3

5

Apply voltage between terminals 1 and 2.

Existed

Do not apply voltage between terminals 1 and 2.

Not existed