Nissan Juke Service and Repair Manual : 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 Inspection".
Is the inspection result normal? YES >> GO TO 2.
NO >> Repair or replace ground connection.
2.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 4.
NO >> GO TO 3.
3.DETECT MALFUNCTIONING 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.
4.CHECK MASS AIR FLOW SENSOR GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connectors.
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 5.
NO >> Repair open circuit or short to ground or short to power in harness or connectors.
5.CHECK MASS AIR FLOW SENSOR NPUT 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 6.
NO >> Repair open circuit or short to ground or short to power in harness or connectors.
6.CHECK MASS AIR FLOW SENSOR
Refer to EC-902, "Component Inspection".
Is the inspection result normal? YES >> GO TO 7.
NO >> Replace mass air flow sensor.
7.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
P0090 fuel pump
DTC Logic
DTC DETECTION LOGIC
Diagnosis Procedure
1.CHECK HIGH PRESSURE SUPPLY PUMP (PRESSURE CONTROL VALVE) POWER SUPPLY
1. Turn ignition switch OFF.
2. Disconnect high pressure supply pump (p ...
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 >> ...
Other materials:
S terminal circuit
Description
The starter motor magnetic switch is supplied with power when the ignition
switch is turned to the START position
while the selector lever is in the P or N position for CVT models or the clutch
pedal is depressed for M/T
models.
Diagnosis Procedure
CAUTION:
Perform diagnosis un ...
P0117, P0118 ECT sensor
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform
the following procedure
before conducting the next test.
1. Turn ignition switch OFF and wait at least 10 seconds.
2. Turn ignition swit ...
Door does not lock/unlock with keyfob
Diagnosis Procedure
1.CHECK POWER DOOR LOCK OPERATION
Check power door lock operation.
Does door lock/unlock with door lock and unlock switch?
YES >> GO TO 2.
NO >> Go to DLK-415, "ALL DOOR : Diagnosis Procedure".
2.CHECK REMOTE KEYLESS ENTRY RECEIVER
Check remote ...