Nissan Altima HL32 Hybrid. Manual - part 335

EC-324

< COMPONENT DIAGNOSIS >

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P1148 CLOSED LOOP CONTROL

P1148 CLOSED LOOP CONTROL

DTC Logic

INFOID:0000000004211564

DTC DETECTION LOGIC

NOTE:

DTC P1148 is displayed with another DTC for A/F sensor 1.

Perform the trouble diagnosis for the corresponding DTC.

DTC No.

Trouble diagnosis name

DTC detecting condition

Possible cause

P1148

Closed loop control 
function

The closed loop control function for bank 1 does 
not operate even when vehicle is driving in the 
specified condition.

• Harness or connectors

(The A/F sensor 1 circuit is open or short-
ed.)

• A/F sensor 1
• A/F sensor 1 heater

P1195 ENGINE DOES NOT START

EC-325

< COMPONENT DIAGNOSIS >

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C

D

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F

G

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I

J

K

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A

EC

N

P

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P1195 ENGINE DOES NOT START

DTC Logic

INFOID:0000000004211565

DTC DETECTION LOGIC

NOTE:

• If DTC P1195 is displayed with DTC P0201, P0202, P0203, P0204, first perform the trouble diagnosis

for DTC P0201, P0202, P0203, P0204. Refer to 

EC-237, "DTC Logic"

.

• If DTC P1195 is displayed with DTC P0335, first perform the trouble diagnosis for DTC P0335. Refer

to 

EC-251, "DTC Logic"

.

• If DTC P1195 is displayed with DTC P0340, first perform the trouble diagnosis for DTC P0340. Refer

to 

EC-255, "DTC Logic"

.

• If DTC P1195 is displayed with DTC P0605, first perform the trouble diagnosis for DTC P0605. Refer

to 

EC-318, "DTC Logic"

.

DTC CONFIRMATION PROCEDURE

1.

PRECONDITIONING

If DTC Confirmation Procedure has been previously conducted, always perform the following before conduct-

ing the next test.

1. Turn ignition switch OFF and wait at least 10 seconds.

2. Turn ignition switch ON.

3. Turn ignition switch OFF and wait at least 10 seconds.

>> GO TO 2.

2.

PERFORM DTC CONFIRMATION PROCEDURE

1. Turn ignition switch ON (READY).

2. Depress accelerator pedal and wait at least 15 seconds.

3. Check DTC.
Is DTC detected?

YES

>> Go to 

EC-325, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000004211566

1.

CHECK FOR INTAKE AIR LEAK

1. Visually check for the cause of intake air leak after the mass air flow sensor.

2. Check PCV hose connection.
Intake air leak detected?

YES

>> Repair or replace.

NO

>> GO TO 2.

2.

CHECK ELECTRIC THROTTLE CONTROL ACTUATOR VISUALLY

1. Remove the intake air duct.

DTC No.

Trouble diagnosis name

DTC detecting condition

Possible cause

P1195

Engine does not start

When the engine is abnormal, and the 
engine does not start.

• Intake air leaks
• Incorrect PCV hose connection
• Mass air flow sensor
• Electric throttle control actuator
• Fuel injector
• Fuel run out
• Incorrect fuel pressure
• Spark plug
• Ignition coil
• Ignition signal circuit is open or shorted
• Insufficient compression

EC-326

< COMPONENT DIAGNOSIS >

[QR25DE]

P1195 ENGINE DOES NOT START

2. Check if foreign matter is caught between the throttle valve (1)

and the housing.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Remove the foreign matter and clean the electric throttle

control actuator inside.

3.

CHECK FUEL PUMP FUNCTION

Refer to 

EC-386, "Component Function Check"

.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Go to 

EC-386, "Diagnosis Procedure"

.

4.

CHECK MASS AIR FLOW SENSOR

Check mass air flow sensor. Refer to 

EC-147, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Replace mass air flow sensor.

5.

CHECK FUEL PRESSURE

1. Check fuel pressure. Refer to 

EC-465, "Inspection"

.

Is the inspection result normal?

YES

>> GO TO 7.

NO

>> GO TO 6.

6.

 DETECT MALFUNCTIONING PART

Check fuel hoses and fuel tubes for clogging.
Is the inspection result normal?

YES

>> Replace “fuel filter and fuel pump assembly”.

NO

>> Repair or replace

7.

CHECK FUEL INJECTOR

Check fuel injector. Refer to 

EC-238, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 8.

NO

>> Replace malfunctioning fuel injector.

8.

CHECK SPARK PLUG

Check spark plug. Refer to 

EM-12, "Removal and Installation"

.

Is the inspection result normal?

YES

>> GO TO 9.

NO

>> Clean or replace spark plug.

9.

CHECK IGNITION COIL AND CIRCUIT

Check ignition coil and circuit. Refer to 

EC-390, "Component Function Check"

.

Is the inspection result normal?

YES

>> GO TO 10.

NO

>> Go to 

EC-390, "Diagnosis Procedure"

.

10.

CHECK COMPRESSION PRESSURE

Check compression pressure. Refer to 

EM-22, "Compression Pressure"

.

Is the inspection result normal?

2.

Electric throttle control actuator

: Vehicle front

ALBIA0150ZZ

P1195 ENGINE DOES NOT START

EC-327

< COMPONENT DIAGNOSIS >

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C

D

E

F

G

H

I

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K

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A

EC

N

P

O

YES

>> GO TO 11.

NO

>> Check pistons, piston rings, valves, valve seats and cylinder head gaskets.

11.

CHECK SYMPTOM TABLE

Check items on the no start symptom in 

EC-454, "Symptom Table"

.

Is the inspection result normal?

YES

>> GO TO 12.

NO

>> Repair or replace.

12.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-42, "Intermittent Incident"

.

>> INSPECTION END