Nissan Note — диагностика неисправностей системы впуска и управления двигателем [540/1872]

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Nissan Note [540/1872] Trouble diagnosis specification value
EC-540
[CR (WITHOUT EURO-OBD)]
TROUBLE DIAGNOSIS - SPECIFICATION VALUE
24. CHECK INTAKE SYSTEM
Check for the cause of air suction at downstream of throttle body. Refer to the following.
Disconnection looseness, or cracks of air duct
Looseness of oil filler cap
Disconnection of oil level gauge
Open sticking, breakage, hose disconnection, or cracks of blow-by gas control valve
Disconnection or cracks of EVAP canister purge hose, open sticking of EVAP canister purge volume con-
trol valve
Malfunctioning sealing of rocker cover gasket
Disconnection, looseness, or cracks of hoses, such as vacuum hose, connecting to intake air system
parts.
Malfunctioning sealing of intake air system, etc.
>> GO TO 31.
25. REPLACE ECM
1. Replace ECM.
2. Perform initialization of NATS system and registration of all NATS ignition key IDs.
Refer to BL-218, "
ECM Re-communicating Function" .
3. Perform EC-486, "
Accelerator Pedal Released Position Learning" .
4. Perform EC-486, "
Throttle Valve Closed Position Learning" .
5. Perform EC-486, "
Idle Air Volume Learning" .
>> GO TO 31.
26. CHECK “TURBO BST SEN”
Select “TURBO BST SEN” in “DATA MONITOR” mode, and make
sure that the indication is within the specified value as described
below.
OK or NG
OK >> GO TO 31.
NG (More than the specified value)>>Replace manifold absolute
pressure (MAP) sensor, and then GO TO 32.
27. CHECK INTAKE SYSTEM
Check for the cause of uneven air flow passing through throttle body. Refer to the following.
Crushed air ducts
Malfunctioning seal of air cleaner element
Uneven dirt of air cleaner element
Improper specification of intake air system
OK or NG
OK >> GO TO 29.
NG >> Repair or replace malfunctioning part, and then GO TO 28.
Idle: Approximately 1.5V
2,500 rpm: Approximately 1.2V
MBIB1448E

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