Nissan Juke Service and Repair Manual : P0101 MAF sensor
DTC Logic
DTC DETECTION LOGIC
Diagnosis Procedure
1.CHECK AIR FILTER
Check that air filter is not obstructed.
Is the inspection result normal? Yes >> Repair or replace.
No >> GO TO 2.
2.CHECK INTAKE AIR DUCT
Check that intake air duct is not obstructed.
Is the inspection result normal? Yes >> Repair or replace.
No >> GO TO 3.
3.CHECK GROUND CONNECTIONS
1. Turn ignition switch OFF.
2. Check ground connection E38. Refer to Ground inspection in GI-44, "Circuit Inspection".
Is the inspection result normal? YES >> GO TO 4.
NO >> Repair or replace ground connection.
4.CHECK MASS AIR FLOW SENSOR POWER SUPPLY CIRCUIT-I
1. Turn ignition switch OFF.
2. Disconnect mass air flow sensor harness connector.
3. Turn ignition switch ON.
4. Check the voltage between mass air flow sensor harness connector and ground.
Is the inspection result normal? YES >> GO TO 6.
NO >> GO TO 5.
5.DETECT MALFANCTIONING PART
Check the following.
• Harness connectors E8, F1 • Harness for open or short between IPDM E/R and mass air flow sensor
>> Repair open circuit or short to ground or short to power in harness or connectors.
6.CHECK MASS AIR FLOW SENSOR GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check the continuity between mass air flow sensor harness connector and ECM harness connector.
4. Also check harness for short to ground and short to power.
Is the inspection result normal? YES >> GO TO 7.
NO >> Repair open circuit or short to ground or short to power in harness or connectors.
7.CHECK MASS AIR FLOW SENSOR INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Check the continuity between mass air flow sensor harness connector and ECM harness connector.
2. Also check harness for short to ground and short to power.
Is the inspection result normal? YES >> GO TO 8.
NO >> Repair open circuit or short to ground or short to power in harness or connectors.
8.CHECK MASS AIR FLOW SENSOR
Refer to EC-904, "Component Inspection" Is the inspection result normal? YES >> GO TO 9.
NO >> Replace mass air flow sensor.
9.CHECK INTERMITTENT INCIDENT
Refer to GI-42, "Intermittent Incident", ???INCIDENT SIMULATION TESTS??? and ???GROUND INSPECTION???.
>> INSPECTION END
Component Inspection
1.CHECK MASS AIR FLOW SENSOR
1. Turn ignition switch OFF.
2. Reconnect all harness connectors disconnected.
3. Turn ignition switch ON.
4. Check the voltage between mass air flow sensor harness connector.
Is the inspection result normal? YES >> INSPECTION END
NO >> Replace mass air flow sensor.
P0100 MAF sensor
DTC Logic
DTC DETECTION LOGIC
Diagnosis Procedure
1.CHECK GROUND CONNECTIONS
1. Turn ignition switch OFF.
2. Check ground connection E38. Refer to Ground inspection in GI-44, "Circuit
In ...
P0110 IAT sensor
DTC Logic
DTC DETECTION LOGIC
Diagnosis Procedure
1.CHECK GROUND CONNECTIONS
1. Turn ignition switch OFF.
2. Check ground connection E38. Refer to Ground inspection in GI-44, "Circuit
In ...
Other materials:
Basic inspection
DIAGNOSIS AND REPAIR WORK FLOW
Work Flow
OVERALL SEQUENCE
DETAILED FLOW
NOTE:
If any malfunction is found, immediately disconnect the battery cable from the
negative terminal.
1.CHECK ENGINE START
Crank the engine and check that the engine starts.
Does the engine start?
YES >> ...
Idle neutral control learning
Description
TCM corrects an individual difference in clutch clearance of the transaxle
assembly by performing the idle neutral
control learning and enables accurate idle neutral control.
Therefore, it is required to perform idle neutral control learning after the
following work is performed ...
Starting difficult with cold engine
Description
CHART 3: STARTING DIFFICULT WITH COLD ENGINE
Diagnosis Procedure
1.CHECK ENGINE OIL LEVEL
Is the engine oil level correct?
Yes or No
Yes >> GO TO 2.
No >> Top up the oil.
2.CHECK ENGINE OIL
Check the grade of engine oil. Refer to LU-33, "Inspection".
...
