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:
System initialization
Description
If any of the following operations are performed, the initialization is
necessary for normal operation of power
window system.
• Disconnection and connection of battery cable from negative terminal.
• When power window main switch replaced.
• Electric power supply to power windo ...
Unexpected brake pedal reaction
Description
A malfunction of brake pedal feel (height or others) is detected when brake
pedal is depressed.
Diagnosis Procedure
1.CHECK FRONT AND REAR AXLE
Check that there is no excessive looseness in front and rear axle.
• Front axle: Refer to FAX-41, "Inspection".
• Rear axle: ...
Additional service when replacing TCM
Description
Always perform the following items when the TCM is replaced.
CHECK LOADING OF CALIBRATION DATA
• The TCM acquires calibration data (individual characteristic value) of each
solenoid that is stored in the
ROM assembly (in the control valve). This enables the TCM to perform accurate ...
