Nissan Versa Note. Manual - part 257

EC-10

< PRECAUTION >

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PRECAUTIONS

• Before replacing ECM, perform ECM Terminals and Reference

Value inspection and make sure ECM functions properly.

Refer to 

EC-70, "Reference Value"

.

• Handle mass air flow sensor carefully to avoid damage.

• Do not clean mass air flow sensor with any type of detergent.

• Do not disassemble electric throttle control actuator.

• Even a slight leak in the air intake system can cause serious

incidents.

• Do not shock or jar the camshaft position sensor (PHASE),

crankshaft position sensor (POS).

• After performing each TROUBLE DIAGNOSIS, perform DTC

CONFIRMATION PROCEDURE or Component Function

Check. The DTC should not be displayed in the DTC Confir-

mation Procedure if the repair is completed. The Component

Function Check should be a good result if the repair is com-

pleted.

• When measuring ECM signals with a circuit tester, never allow

the two tester probes to contact.

Accidental contact of probes will cause a short circuit and

damage the ECM power transistor.

• Do not operate fuel pump when there is no fuel in lines.

• Tighten fuel hose clamps to the specified torque.

MEF040D

SAT652J

SEF348N

PRECAUTIONS

EC-11

< PRECAUTION >

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• Do not depress accelerator pedal when starting.

• Immediately after starting, do not rev up engine unnecessar-

ily.

• Do not rev up engine just prior to shutdown.

• When installing C.B. ham radio or a mobile phone, be sure to

observe the following as it may adversely affect electronic

control systems depending on installation location.

- Keep the antenna as far as possible from the electronic con-

trol units.

- Keep the antenna feeder line more than 20 cm (8 in) away

from the harness of electronic controls.

Do not let them run parallel for a long distance.

- Adjust the antenna and feeder line so that the standing-wave

ratio can be kept smaller.

- Be sure to ground the radio to vehicle body.

SEF709Y

SEF708Y

EC-12

< PREPARATION >

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PREPARATION

PREPARATION

PREPARATION

Special Service Tools

INFOID:0000000009020569

NOTE:

The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.

Commercial Service Tools

INFOID:0000000009020570

Tool number
(Kent-Moore No.)
Tool name

Description

(J-44321)
Fuel pressure gauge kit

Checks fuel pressure

(J-44321-6)
Fuel pressure adapter

Connects fuel pressure gauge to quick connector type 
fuel lines.

KV10118400
Fuel tube adapter

Measuring fuel pressure

KV10120000
Fuel tube adapter

LEC642

LBIA0376E

PBIB3043E

JSBIA0410ZZ

PREPARATION

EC-13

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Tool name
(Kent-Moore No.)

Description

Leak detector
i.e.: (J-41416)

Locates the EVAP leak

EVAP service port adapter
i.e.: (J-41413-OBD)

Applies positive pressure through EVAP service port

Fuel filler cap adapter
i.e.: (MLR-8382)

Checks fuel tank vacuum relief valve opening pressure

Socket wrench

Removes and installs engine coolant temperature sen-
sor

Oxygen sensor thread cleaner
i.e.: (J-43897-18), (J-43897-12)

Reconditioning the exhaust system threads before in-
stalling a new oxygen sensor. Use with anti-seize lubri-
cant shown below.
a: 18 mm diameter with pitch 1.5 mm for Zirconia Ox-
ygen Sensor
b: 12 mm diameter with pitch 1.25 mm for Titania Ox-
ygen Sensor

Anti-seize lubricant
i.e.: (Permatex

TM

 133AR or 

equivalent meeting MIL specifica-
tion MIL-A-907)

Lubricating oxygen sensor thread cleaning tool when re-
conditioning exhaust system threads.

S-NT703

S-NT704

S-NT815

S-NT705

AEM488

S-NT779