Nissan Tiida C11. Manual - part 489

EC-606

< COMPONENT DIAGNOSIS >

[HR16DE (WITHOUT EURO-OBD)]

FUEL PUMP

1.

Turn ignition switch OFF.

2.

Disconnect IDPDM E/R harness connector.

3.

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

Is the inspection result normal?

YES

>> GO TO 3.

NO

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

3.

DETECT MALFUNCTIONING PART

Check the following.
• Harness or connectors E8, F8.
• Harness for open or short to ground and short power.

>> Repair harness or connectors.

4.

CHECK FUEL PUMP POWER SUPPLY CIRCUIT-III

1.

Turn ignition switch OFF.

2.

Reconnect all harness connectors disconnected.

3.

Disconnect “fuel level sensor unit and fuel pump” harness connector.

4.

Turn ignition switch ON.

5.

Check voltage between “fuel level sensor unit and fuel pump” harness connector and ground. 

Is the inspection result normal?

YES

>> GO TO 8.

NO

>> GO TO 5.

5.

CHECK 10A FUSE

1.

Turn ignition switch OFF.

2.

Disconnect 15A fuse (No. 48) from IPDM E/R.

3.

Check 15A fuse.

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Replace fuse.

6.

CHECK FUEL PUMP POWER SUPPLY CIRCUIT-IV

1.

Disconnect IPDM E/R harness connector.

2.

Check the continuity between IPDM E/R harness connector and “fuel level sensor unit and fuel pump”
harness connector.

3.

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

Is the inspection result normal?

YES

>> GO TO 10.

ECM

IPDM E/R

Continuity

Connector

Terminal

Connector

Terminal

F10

23

E46

47

Existed

Fuel level sensor unit 

and fuel pump

Ground

Voltage

Connector

Terminal

B40

1

Ground

Battery voltage should exist 1 
second after ignition switch is 
turn ON.

IPDM E/R

Fuel level sensor unit and 

fuel pump

Continuity

Connector

Terminal

Connector

Terminal

E45

36

B40

1

Existed

FUEL PUMP

EC-607

< COMPONENT DIAGNOSIS >

[HR16DE (WITHOUT EURO-OBD)]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

NO

>> GO TO 7.

7.

DETECT MALFUNCTIONING PART

Check the following.
• Harness connectors E7, M69, M12, B1.
• Harness for open or short between IPDM E/R and “fuel level sensor unit and fuel pump” 

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

8.

CHECK FUEL PUMP GROUND CIRCUIT

1.

Check the continuity between “fuel level sensor unit and fuel pump” and ground. 

2.

Also heck harness for short to power. 

Is the inspection result normal?

YES

>> GO TO 9.

NO

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

9.

CHECK FUEL PUMP

Refer to 

EC-607, "Component Inspection (Fuel Pump)"

.

Is the inspection result normal?

YES

>> GO TO 10.

NO

>> Replace fuel pump.

10.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-55, "Intermittent Incident"

.

Is the inspection result normal?

YES

>> Replace IPDM E/R.

NO

>> Repair or replace harness or connectors.

Component Inspection (Fuel Pump)

INFOID:0000000001693438

1.

CHECK FUEL PUMP

1.

Turn ignition switch OFF.

2.

Disconnect “fuel level sensor unit and fuel pump” harness connector.

3.

Check resistance between “fuel level sensor unit and fuel pump” terminals as follows.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace “fuel level sensor unit and fuel pump”.

Fuel level sensor unit 

and fuel pump

Ground

Continuity

Connector

Terminal

B40

3

Ground

Existed

Terminals

Resistance

1 and 3

0.2 - 5.0

Ω

 [at 25

°

C (77

°

F)]

EC-608

< COMPONENT DIAGNOSIS >

[HR16DE (WITHOUT EURO-OBD)]

HO2S1

HO2S1

Description

INFOID:0000000001697491

The heated oxygen sensor 1 is placed into the exhaust manifold. It
detects the amount of oxygen in the exhaust gas compared to the
outside air. The heated oxygen sensor 1 has a closed-end tube
made of ceramic zirconia. The zirconia generates voltage from
approximately 1V in richer conditions to 0V in leaner conditions. The
heated oxygen sensor 1 signal is sent to the ECM. The ECM adjusts
the injection pulse duration to achieve the ideal air-fuel ratio. The
ideal air-fuel ratio occurs near the radical change from 1V to 0V.

Component Function Check

INFOID:0000000001697492

1.

CHECK HEATED OXYGEN SENSOR 1 FUNCTION

With CONSULT-III

1.

Start engine and warm it up to normal operating temperature.

2.

Select “HO2S1 MNITOR (B1)” in ”DATA MONITOR” mode with CONSULT-III.

3.

Keep the engine speed at 2,000 rpm under no load, and make
sure that the monitors fluctuates between LEAN and RICH more
than five times in 10 seconds.

 Without CONSULT-III

1.

Start engine and warm it up to normal operating temperature.

2.

Stop engine and wait at least 10 seconds.

3.

Set ECM in Diagnostic test mode - II (Heated oxygen sensor 1 monitor).

SEF463R

SEF288D

1 times: RICH 

→

LEAN 

→

 RICH

2 times: RICH 

→

 LEAN 

→

 RICH 

→

 LEAN 

→

 RICH

SEF217YA

HO2S1

EC-609

< COMPONENT DIAGNOSIS >

[HR16DE (WITHOUT EURO-OBD)]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

4.

Keep the engine speed at 2,000 rpm under no load, and make
sure that the MI comes ON more than five times in 10 seconds.

Is the inspection result normal?

YES

>> INSPECTION END.

NO

>> Go to 

EC-609, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000001697493

1.

CHECK GROUND CONNECTION

1.

Turn ignition switch OFF.

2.

Check ground connection E21. 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.

RETIGHTEN HEATED OXYGEN SENSOR 1

Loosen and retighten the heated oxygen sensor 1.

>> GO TO 3.

3.

CHECK EXHAUST GAS LEAK

1.

Start engine and run it at idle.

2.

Listen for an exhaust gas leak before three way catalyst (manifold).

Is exhaust gas leak detected?

YES

>> Repair or replace.

NO

>> GO TO 4.

4.

CHECK FOR INTAKE AIR LEAK

Listen for an intake air leak after the mass air flow sensor.

Is intake air leak detected?

YES

>> Repair or replace.

NO

>> GO TO 5.

5.

CHECK HO2S1 GROUND CIRCUIT FOR OPEN AND SHORT

1.

Turn ignition switch OFF.

SAT652J

Tightening torque: 50 N-m (5.1 kg-m, 37 ft-lb)

SEC502D