Nissan Qashqai (2007-2010). Manual — part 363
PRECAUTIONS
EC-971
< PRECAUTION >
[MR20DE (WITH EURO-OBD)]
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• 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 Confirmation
Procedure if the repair is completed. The Component Function
Check should be a good result if the repair is completed.
• 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 use ECM ground terminals when measuring input/out-
put voltage. Doing so may result in damage to the ECM’s tran-
sistor. Use a ground other than ECM terminals, such as the
ground.
• Do not operate fuel pump when there is no fuel in lines.
• Tighten fuel hose clamps to the specified torque.
MEF040D
SAT652J
SEF348N
EC-972
< PRECAUTION >
[MR20DE (WITH EURO-OBD)]
PRECAUTIONS
• 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
PREPARATION
EC-973
< PREPARATION >
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PREPARATION
PREPARATION
Special Service Tools
INFOID:0000000001093275
Commercial Service Tools
INFOID:0000000001115676
Tool number
Tool name
Description
KV10117100
Heated oxygen sensor
wrench
Loosening or tightening heated oxygen sensor
with 22 mm (0.87 in) hexagon nut
KV10114400
Heated oxygen sensor
wrench
Loosening or tightening heated oxygen sensor 2
a: 22 mm (0.87 in)
EG17550000
Break-out box
Measuring ECM signals with a circuit tester
EG17680000
Y-cable adapter
Measuring ECM signals with a circuit tester
KV10118400
Fuel tube adapter
Measuring fuel pressure
S-NT379
S-NT636
ZZA1194D
PBIA9379J
PBIB3043E
EC-974
< PREPARATION >
[MR20DE (WITH EURO-OBD)]
PREPARATION
Tool name
Description
Quick connector re-
lease
Removing fuel tube quick connectors in engine
room
(Available in SEC. 164 of PARTS CATALOG: Par
No. 16441 6N210)
Socket wrench
Removing and installing engine coolant tempera-
ture sensor
Oxygen sensor thread
cleaner
Reconditioning the exhaust system threads before
installing a new oxygen sensor. Use with anti-
seize lubricant shown below.
a: 18 mm diameter with pitch 1.5 mm for Zirco-
nia Oxygen Sensor
b: 12 mm diameter with pitch 1.25 mm for Tita-
nia Oxygen 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 reconditioning exhaust system threads.
PBIC0198E
S-NT705
AEM488
S-NT779
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