DTC Logic
DTC DETECTION LOGIC
NOTE:
DTC No. | CONSULT screen terms (Trouble diagnosis content) | DTC detecting condition | Possible cause |
P2101 | ETC FNCTN/CIRC-B1 (Throttle actuator “A” control motor circuit range/performance) | Electric throttle control function does not operate properly. |
|
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.
TESTING CONDITION:
Before performing the following procedure, confirm that battery voltage is more than 11 V when engine is running.
>> GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE
Is DTC detected? YES >> Proceed to EC-425, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis Procedure
1.CHECK THROTTLE CONTROL MOTOR RELAY INPUT SIGNAL
Check the voltage between ECM harness connector terminals as per the following conditions.
Is the inspection result normal? YES >> GO TO 4.
NO >> GO TO 2.
2.CHECK THROTTLE CONTROL MOTOR RELAY INPUT SIGNAL CIRCUIT
Is the inspection result normal? YES >> GO TO 3.
NO >> Repair or replace error-detected parts.
3.CHECK THROTTLE CONTROL MOTOR RELAY POWER SUPPLY CIRCUIT
Is the inspection result normal? YES >> Perform the trouble diagnosis for power supply circuit.
NO >> Repair or replace error-detected parts.
Is the inspection result normal? YES >> GO TO 5.
NO >> Repair or replace error-detected parts.
5.CHECK ELECTRIC THROTTLE CONTROL ACTUATOR VISUALLY
Is the inspection result normal? YES >> GO TO 6.
NO >> Remove the foreign matter and clean the electric throttle control actuator inside, then perform throttle valve closed position learning. Refer to EC-139, "Work Procedure".
6.CHECK THROTTLE CONTROL MOTOR
Check the throttle control motor. Refer to EC-429, "Component Inspection (Throttle Control Motor)".
Is the inspection result normal? YES >> Check intermittent incident. Refer to GI-39, "Intermittent Incident".
NO >> Replace electric throttle control actuator. Refer to EM-27, "Removal and Installation".
Component Inspection (Throttle Control Motor)
1.CHECK THROTTLE CONTROL MOTOR
Is the inspection result normal? YES >> INSPECTION END
NO >> Replace electric throttle control actuator. Refer to EM-27, "Removal and Installation".
Service Notice and Precautions for Road Wheel
Genuine NISSAN aluminum wheel is designed for each type of vehicle. Use
it on the specified vehicle only.
Use Genuine NISSAN parts for the road wheels, valve caps and wheel nuts.
Always use them after adjusting the wheel balance. For the balance
weights, use Genuine NISSAN aluminum
wh ...
CONSULT Data Link Connector (DLC) Circuit
Inspection procedure
If the CONSULT cannot diagnose the system properly, check the following
items.
Symptom
Check item
CONSULT cannot access any
system.
CONSULT DLC power supply circuit (Terminal 8 and 16) and ground
circuit (Terminal 4 and 5)
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Wiper and washer system symptoms
Symptom table
Caution:
Perform the self-diagnosis with consult before performing the diagnosis
by symptom. Perform the
diagnosis by dtc if dtc is detected.
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