Nissan Qashqai (2007-2010). Manual — part 480

ENGINE DOES NOT START OR STARTS WITH DIFFICULTY

EC-1439

< SYMPTOM DIAGNOSIS >

[K9K]

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Check air intake system. Refer to

EM-265, "Removal and Installation"

.

Is the inspection result normal?

YES

>> GO TO 10.

NO

>> Repair or replace air intake system. Refer to

EM-265, "Removal and Installation"

10.

CHECK ELECTRIC THROTTLE CONTROL ACTUATOR

Check electric throttle control actuator. Refer to

EC-1345, "Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> GO TO 11.

NO

>> Repair or replace.

11.

CHECK LOW PRESSURE CIRCUIT

Perform the TEST 1: LOW PRESSURE CIRCUIT CHECK. Refer to

EC-1262, "BASIC INSPECTION : Special

Repair Requirement (TEST 1: Low Pressure Fuel Supply System Check)"

.

>> GO TO 12.

12.

CHECK INTERNAL FUEL TRANSFER PUMP

Perform the TEST 2: INTERNAL FUEL TRANSFER PUMP CHECK. Refer to

EC-1263, "BASIC INSPECTION

: Special Repair Requirement (TEST 2: Internal Fuel Transfer Pump Check)"

.

>> GO TO 13.

13.

CHECK HIGH PRESSURE SUPPLY PUMP (PRESSURE CONTROL VALVE)

Perform the TEST 3: HIGH PRESSURE SUPPLY PUMP (PRESSURE CONTROL VALVE). Refer to

EC-1263,

"BASIC INSPECTION : Special Repair Requirement [TEST 3: High Pressure Supply Pump (Pressure Control
Valve) Check]"

.

>> GO TO 14.

14.

CHECK HIGH PRESSURE SUPPLY PUMP (VOLUMETRIC CONTROL VALVE)

Perform the TEST 4: HIGH PRESSURE SUPPLY PUMP (VOLUMETRIC CONTROL VALVE). Refer to

EC-

1264, "BASIC INSPECTION : Special Repair Requirement [TEST 4: High Pressure Supply Pump (Volumetric
Control Valve) Check]"

.

>> GO TO 15.

15.

CHECK RAIL HIGH PRESSURE CONTROL CIRCUIT

Perform the TEST 5: RAIL HIGH PRESSURE CONTROL CIRCUIT CHECK. Refer to

EC-1267, "BASIC

INSPECTION : Special Repair Requirement (TEST 5: Rail High Pressure Regulation Check)"

.

>> GO TO 16.

16.

CHECK MAJOR LEAK IN FUEL INJECTORS/FUEL INJECTORS OPEN

Perform the TEST 6: MAJOR LEAK IN FUEL INJECTOR/FUEL INJECTORS OPEN. Refer to

EC-1271,

"BASIC INSPECTION : Special Repair Requirement (TEST 6: Major Leak in Fuel Injectors/Fuel Injectors
Open)"

.

>> GO TO 17.

17.

CHECK INCORRECT FUEL INJECTION QUANTITY

Perform the TEST 7: INCORRECT FUEL INJECTION QUANTITY. Refer to

EC-1272, "BASIC INSPECTION :

Special Repair Requirement (TEST 7: Incorrect Fuel Injection Quantity)"

.

>> INSPECTION END

EC-1440

< SYMPTOM DIAGNOSIS >

[K9K]

STARTING DIFFICULT WITH COLD ENGINE

STARTING DIFFICULT WITH COLD ENGINE

Description

INFOID:0000000000912047

CHART 3: STARTING DIFFICULT WITH COLD ENGINE

Diagnosis Procedure

INFOID:0000000000912048

1.

CHECK ENGINE OIL LEVEL

Is the engine oil level correct?

Yes or No

Yes

>> GO TO 2.

No

>> Top up the oil.

2.

CHECK ENGINE OIL

Check the grade of engine oil. Refer to

LU-23, "Inspection"

.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Replace engine oil. Refer to

LU-24, "Refilling"

3.

CHECK BATTERY

Check the battery. Refer to

PG-118, "Removal and Installation"

.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace battery. Refer to

PG-118, "Removal and Installation"

4.

CHECK STARTER MOTOR

Check the starter motor. Refer to

STR-20, "K9K MODELS : Removal and Installation"

.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Repair or replace starter motor. Refer to

STR-20, "K9K MODELS : Removal and Installation"

5.

CHECK COMPONENT PART

Check the following.
• Engine coolant temperature sensor. Refer to

EC-1344, "Component Inspection"

.

• Fuel pump temperature sensor. Refer to

EC-1348, "Component Inspection"

.

• Intake air temperature sensor. Refer to

EC-1342, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Repair or replace.

6.

CHECK GLOW SYSTEM

Check the glow system. Refer to

EC-1370, "Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> GO TO 7.

NO

>> Repair or replace glow system. Refer to

EM-275, "Removal and Installation"

7.

CHECK LOW PRESSURE CIRCUIT

Perform the TEST 1: LOW PRESSURE CIRCUIT CHECK. Refer to

EC-1262, "BASIC INSPECTION : Special

Repair Requirement (TEST 1: Low Pressure Fuel Supply System Check)"

.

>> GO TO 8.

8.

CHECK INTERNAL FUEL TRANSFER PUMP

Perform the TEST 2: INTERNAL FUEL TRANSFER PUMP CHECK. Refer to

EC-1263, "BASIC INSPECTION

: Special Repair Requirement (TEST 2: Internal Fuel Transfer Pump Check)"

.

STARTING DIFFICULT WITH COLD ENGINE

EC-1441

< SYMPTOM DIAGNOSIS >

[K9K]

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>> GO TO 9.

9.

CHECK COMPRESSION PRESSURE

Check the compression pressure. Refer to

EM-263, "Inspection"

.

>> INSPECTION END

EC-1442

< SYMPTOM DIAGNOSIS >

[K9K]

IMPOSSIBLE TO SHUT OFF ENGINE

IMPOSSIBLE TO SHUT OFF ENGINE

Description

INFOID:0000000000912051

CHART 4: IMPOSSIBLE TO SHUT OFF ENGINE

Diagnosis Procedure

INFOID:0000000000912052

1.

CHECK ECM POWER SUPPLY AND GROUND CIRCUIT

Check ECM power supply and ground circuit. Refer to

EC-1317, "Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace harness or connector.

2.

CHECK WIRING HARNESS

Visually check the condition of the engine wiring harness.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Repair or replace harness or connector.