Nissan Rogue (T33) 2021-Present Service Manual: Mass Air Flow Sensor
Component Inspection
CHECK MASS AIR FLOW (MAF) SENSOR-1
With CONSULT
-
Turn ignition switch OFF.
-
Reconnect all harness connectors disconnected.
-
Start the engine and warm it up to normal operating temperature.
-
Select “MASS AIR FLOW SENSOR (g/s) B1� in “DATE MONITOR� mode of “ENGINE� using CONSULT and check the indication under the following condition.
Monitor item Condition Indication MASS AIR FLOW SENSOR (g/s) B1 Ignition switch ON (Engine stopped.) 0 g/s Idle (Engine is warmed-up to normal operating temperature.) 2.09 - 3.51 g/s 2,500 rpm (Engine is warmed-up to normal operating temperature.) 3.62 - 6.40 g/s Idle to about 4,000 rpm 7.49 - 14.04 g/s
Is the inspection result normal?
YES>>GO TO 4.
NO>>GO TO 2.
CHECK FOR THE CAUSE OF UNEVEN AIR FLOW THROUGH INTAKE AIR DUCT
-
Turn ignition switch OFF.
-
Check for the cause of uneven air flow through intake air duct. Refer to the following.
-
Crushed air ducts
-
Malfunctioning seal of air cleaner element
-
Uneven dirt like leaves or insects of air cleaner element
-
Intake valve deposit
-
Improper specification of intake air system parts
-
Is the inspection result normal?
YES>>GO TO 4.
NO>>GO TO 3.
CHECK MAF SENSOR-2
With CONSULT
-
Repair malfunctioning part.
-
Start the engine and warm it up to normal operating temperature.
-
Select “MASS AIR FLOW SENSOR (g/s) B1� in “DATE MONITOR� mode of “ENGINE� using CONSULT and check the indication under the following condition.
Monitor item Condition Indication MASS AIR FLOW SENSOR (g/s) B1 Ignition switch ON (Engine stopped.) 0 g/s Idle (Engine is warmed-up to normal operating temperature.) 2.09 - 3.51 g/s 2,500 rpm (Engine is warmed-up to normal operating temperature.) 3.62 - 6.40 g/s Idle to about 4,000 rpm 7.49 - 14.04 g/s
Is the inspection result normal?
YES>>INSPECTION END
NO>>GO TO 4.
CHECK MAF SENSOR-3
With CONSULT
-
Turn ignition switch OFF.
-
Reconnect all harness connectors disconnected.
-
Start the engine and warm it up to normal operating temperature.
-
Select “MASS AIR FLOW SENSOR (g/s) B1� in “DATE MONITOR� mode of “ENGINE� using CONSULT and check the indication under the following condition.
Monitor item Condition Indication MASS AIR FLOW SENSOR (g/s) B1 Ignition switch ON (Engine stopped.) 0 g/s Idle (Engine is warmed-up to normal operating temperature.) 2.09 - 3.51 g/s 2,500 rpm (Engine is warmed-up to normal operating temperature.) 3.62 - 6.40 g/s Idle to about 4,000 rpm 7.49 - 14.04 g/s
Is the inspection result normal?
YES>>INSPECTION END
NO>>Replace MAF sensor. Refer to Exploded View.
Other materials:
Component Parts
Meter System
Component Parts Location
2WD MODELS A.
View with rear seat removed
B.
View with engine assembly removed
No. Component Function
1.
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P0420 Three Way Catalyst Function
DTC Description
The ECM monitors the switching frequency ratio of air fuel ratio (A/F) sensor 1 and heated oxygen sensor 2.A
three way catalyst (manifold) with high oxygen storage capacity will
indicate a low switching frequency of heated oxygen sensor 2. As oxygen
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U0644 Sent Communication
DTC Description
DTC DETECTION LOGIC DTC No.
CONSULT screen terms
(Trouble diagnosis content) DTC detecting condition
U0644
00
Lost comm with w/g posi sen (b1)
(Lost Communication With Wastegate Position Sensor "A")
Diagnosis condition
Battery voltage: 8 V or more
Igni ...
