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
.
• 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 >
[HR16DE]
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
< PREPARATION >
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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
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