Nissan X-Trail 32. Manual - part 802

P1217 ENGINE OVER TEMPERATURE

EC-337

< DTC/CIRCUIT DIAGNOSIS >

[MR20DD]

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• Water pump

>> Repair or replace malfunctioning part.

5.

CHECK RADIATOR CAP

Check radiator cap. (Refer to 

CO-20, "Inspection"

)

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Replace radiator cap. Refer to 

CO-17, "Exploded View"

.

6.

CHECK THERMOSTAT

Check thermostat. (Refer to 

CO-27, "Inspection"

.)

Is the inspection result normal?

YES

>> GO TO 7.

NO

>> Replace thermostat. Refer to 

CO-26, "Removal and Installation"

.

7.

CHECK WATER CONTROL VALVE

Check water control valve. (Refer to 

CO-29, "Inspection"

.)

Is the inspection result normal?

YES

>> GO TO 8.

NO

>> Replace water control valve. Refer to 

CO-28, "Removal and Installation"

.

8.

CHECK ENGINE COOLANT TEMPERATURE SENSOR

Check engine coolant temperature sensor. (Refer to  

EC-204, "Component Inspection"

.)

Is the inspection result normal?

YES

>> GO TO 9.

NO

>> Replace engine coolant temperature sensor. Refer to 

CO-28, "Exploded View"

.

9.

OVERHEATING CAUSE ANALYSIS

If the cause cannot be isolated, check the 

CO-11, "Troubleshooting Chart"

.

>> INSPECTION END

EC-338

< DTC/CIRCUIT DIAGNOSIS >

[MR20DD]

P1225 TP SENSOR

P1225 TP SENSOR

DTC Description

INFOID:0000000010775233

DTC DETECTION LOGIC

POSSIBLE CAUSE

Electric throttle control actuator (TP sensor 1 and 2)

FAIL-SAFE

Not applicable

DTC CONFIRMATION PROCEDURE

1.

PRECONDITIONING

If DTC Confirmation Procedure has been previously conducted, always perform the following procedure
before conducting 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.

TESTING CONDITION:
Before performing the following procedure, confirm that battery voltage is more than 10 V at idle.

>> GO TO 2.

2.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Turn ignition switch ON.

2.

Turn ignition switch OFF and wait at least 10 seconds.

3.

Turn ignition switch ON.

4.

Check 1st trip DTC.

Is 1st trip DTC detected?

YES

>> Proceed to 

EC-338, "Diagnosis Procedure"

.

NO-1

>> To check malfunction symptom before repair: Refer to 

GI-44, "Intermittent Incident"

.

NO-2

>> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000010775234

1.

CHECK ELECTRIC THROTTLE CONTROL ACTUATOR VISUALLY

1.

Turn ignition switch OFF.

2.

Remove the intake air duct. Refer to 

EM-31, "Removal and Installation"

.

3.

Check if foreign matter is caught between the throttle valve and the housing

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Remove the foreign matter and clean the electric throttle control actuator inside, then perform

throttle valve closed position learning. Refer to 

EC-145, "Work Procedure"

.

2.

REPLACE ELECTRIC THROTTLE CONTROL ACTUATOR

Replace electric throttle control actuator. Refer to 

EM-33, "Removal and Installation"

.

>> INSPECTION END

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC detecting condition

P1225

CTP LEARNING-B1
(Closed throttle position learning bank 1)

Closed throttle position learning value is excessively low.

P1226 TP SENSOR

EC-339

< DTC/CIRCUIT DIAGNOSIS >

[MR20DD]

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P1226 TP SENSOR

DTC Description

INFOID:0000000010775235

DTC DETECTION LOGIC

POSSIBLE CAUSE

Electric throttle control actuator (TP sensor 1 and 2)

FAIL-SAFE

Not applicable

DTC CONFIRMATION PROCEDURE

1.

PRECONDITIONING

If DTC Confirmation Procedure has been previously conducted, always perform the following procedure
before conducting 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.

TESTING CONDITION:
Before performing the following procedure, confirm that battery voltage is more than 10 V at idle.

>> GO TO 2.

2.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Turn ignition switch ON.

2.

Turn ignition switch OFF and wait at least 10 seconds.

3.

Turn ignition switch ON.

4.

Repeat steps 2 and 3 for 32 times.

5.

Check 1st trip DTC.

Is 1st trip DTC detected?

YES

>> Proceed to 

EC-339, "Diagnosis Procedure"

.

NO-1

>> To check malfunction symptom before repair: Refer to 

GI-44, "Intermittent Incident"

.

NO-2

>> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000010775236

1.

CHECK ELECTRIC THROTTLE CONTROL ACTUATOR VISUALLY

1.

Turn ignition switch OFF.

2.

Remove the intake air duct. Refer to 

EM-31, "Removal and Installation"

.

3.

Check if foreign matter is caught between the throttle valve and the housing

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Remove the foreign matter and clean the electric throttle control actuator inside, then perform

throttle valve closed position learning. Refer to 

EC-145, "Work Procedure"

.

2.

REPLACE ELECTRIC THROTTLE CONTROL ACTUATOR

Replace electric throttle control actuator. Refer to 

EM-33, "Removal and Installation"

.

>> INSPECTION END

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC detecting condition

P1226

CTP LEARNING-B1
(Closed throttle position learning bank 1)

Closed throttle position learning is not performed successfully, repeatedly.

EC-340

< DTC/CIRCUIT DIAGNOSIS >

[MR20DD]

P155D GENERATOR

P155D GENERATOR

DTC Description

INFOID:0000000010775237

DTC DETECTION LOGIC

POSSIBLE CAUSE

Generator

FAIL-SAFE

Not applicable

DTC CONFIRMATION PROCEDURE

1.

PRECONDITIONING

If DTC Confirmation Procedure has been previously conducted. always perform the following procedure
before conducting 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.

Start the engine and let it idle at least 10 seconds.

2.

Check DTC.

Is DTC detected?

YES

>> Proceed to 

EC-340, "Diagnosis Procedure"

.

NO-1

>> To check malfunction symptom before repair: Refer to 

GI-44, "Intermittent Incident"

.

NO-2

>> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000010775238

1.

CHECK CHARGING SYSTEM

Perform trouble diagnosis for charging system. Refer to 

EC-162, "Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> Replace generator. Refer to 

CHG-44, "MR20DD : Removal and Installation"

.

NO

>> Repair or replace error-detected parts.

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC detecting condition

P155D

GENERATOR

• ECM receives mechanical malfunction signal sent from generator.
• ECM receives electrical malfunction signal sent from generator.