Nissan Qashqai J11. Manual — part 753

P188E ELECTRIC OIL PUMP

TM-587

< DTC/CIRCUIT DIAGNOSIS >

[CVT: RE0F10G]

C

E

F

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TM

N

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• The diode is normal if the result is as shown in the figure when the

polarity is reversed.

NOTE:
Tester specifications may vary depending on the tester type. Refer to
the handling manual of the tester before checking continuity.

JSDIA2056GB

TM-588

< DTC/CIRCUIT DIAGNOSIS >

[CVT: RE0F10G]

P188F ELECTRIC OIL PUMP

P188F ELECTRIC OIL PUMP

DTC Logic

INFOID:0000000010249646

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 (PART 1)

With CONSULT

1.

Start the engine.

2.

Maintain stop/start system operation state for 10 seconds or more. Refer to

EC9-39, "STOP/START SYS-

TEM : System Description (M/T models)"

.

3.

Restart the engine and drive.

4.

Maintain stop/start system operation state for 10 seconds or more again.
NOTE:
If the engine restarts automatically 10 seconds later, the system may be in fail safe.

DTC

Trouble diagnosis

name

DTC detection condition

Possible causes

P188F

Electric Oil Pump

When 1 is not satisfied and 2 and 3 are satisfied:
1.

When any of the following conditions are satisfied (di-
agnosis prohibition condition):

-

Battery voltage: 10 V or less

-

Electric oil pump relay ON is being instructed and with-
in 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

-

Electric oil pump system malfunction is being deter-
mined

-

Secondary pressure sensor malfunction is being deter-
mined

2.

When all of the following conditions are satisfied and
this state is maintained for 5 seconds:

-

During idling stop

-

Secondary pressure: Less than 0.03 MPa

3.

When all of the following conditions are satisfied and
this state is maintained for 5 seconds:

-

Judgment for 2 is complete (Idling stop oil pressure
lowering judgment for the first time is complete.)

-

Electric oil pump air bleeding is complete after ignition
switch is turned OFF

-

Secondary pressure: Less than 0.03 MPa

-

None of the following items are satisfied:

•

A sudden deceleration of

−

5.88 m/s

2

(

−

0.6 G) or less is

experienced

•

Ignition switch is turned OFF after judgment of 2 is
complete

•

When all of the following conditions are satisfied and
this state is maintained for 5 seconds:
1 (diagnosis prohibition condition) is not satisfied
During idling stop
Secondary pressure: 0.03 MPa or more

• Electric oil pump
• Secondary pressure sensor

P188F ELECTRIC OIL PUMP

TM-589

< DTC/CIRCUIT DIAGNOSIS >

[CVT: RE0F10G]

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5.

Check the DTC.

“P188F” detected?

YES

>> Go to

TM-589, "Diagnosis Procedure"

.

NO

>> GO TO 3.

3.

CHECK DTC DETECTION (PART 2)

With CONSULT

1.

Turn ignition switch OFF.

2.

Start the engine.

3.

Maintain stop/start system operation state for 10 seconds or more. Refer to

EC9-39, "STOP/START SYS-

TEM : System Description (M/T models)"

.

4.

Restart the engine and drive.

5.

Maintain stop/start system operation state for 10 seconds or more again.
NOTE:
If the engine restarts automatically 10 seconds later, the system may be in fail safe.

6.

Check the DTC.

“P188F” detected?

YES

>> Go to

TM-589, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000010249647

1.

AIR BLEEDING OF ELECTRIC OIL PUMP

Perform air bleeding of the electric oil pump. Refer to

TM-507, "Work Procedure"

.

>> GO TO 2.

2.

CHECK DTC DETECTION

Perform DTC confirmation procedure. Refer to

TM-588, "DTC Logic"

.

“P188F” detected?

YES

>> Replace the electric oil pump & motor assembly. Refer to

TM-648, "Removal and Installation"

.

NO

>> INSPECTION END

TM-590

< DTC/CIRCUIT DIAGNOSIS >

[CVT: RE0F10G]

P1890 ELECTRIC OIL PUMP RELAY

P1890 ELECTRIC OIL PUMP RELAY

DTC Logic

INFOID:0000000010249648

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.

Turn ignition switch ON and wait for 5 seconds or more.

2.

Check the DTC.

“P1890” detected?

YES

>> Go to

TM-590, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000010249649

1.

ELECTRIC OIL PUMP RELAY

1.

Check the electric oil pump relay. Refer to

TM-592, "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.

DTC

Trouble diagnosis name

DTC detection condition

Possible causes

P1890

Electric Oil Pump Relay

When 1 is not satisfied and 2 is satisfied, and this state
is maintained for 5 seconds or more:
1.

When any of the following conditions are satis-
fied (diagnosis prohibition condition):

-

Battery voltage: 10 V or less

-

Within 0.35 seconds after ignition switch is
turned ON

-

Electric oil pump air bleed judgment: Air bleeding
in progress or air bleeding is in judgment

2.

When all of the following conditions are satisfied:

-

Electric oil pump relay OFF is being instructed
and electric oil pump duty 0 %

• Electric oil pump relay
• TCM
• Harness or connector

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

+

−

Condition

Voltage

Electric oil pump relay

Connector

Terminal

F119

1

Ground

Always

10 – 16 V

5