Nissan Juke Service and Repair Manual : P0641 sensor power supply
DTC Logic
DTC DETECTION LOGIC

Diagnosis Procedure
1.CHECK GROUND CONNECTION
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 SENSOR POWER SUPPLY CIRCUITS
Check harness for short to power and short to ground, between the following terminals.

Is the inspection result normal? YES >> GO TO 3.
NO >> Repair short to ground or short to power in harness or connectors.
3.CHECK INTERMITTENT INCIDENT
Refer to GI-42, "Intermittent Incident", ???INCIDENT SIMULATION TESTS??? and ???GROUND INSPECTION???.
>> INSPECTION END
P0638 electric throttle control actuator function
DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC P0638 is displayed with DTC P0120 or P2100, first perform trouble
diagnosis for DTC P0120 or P2100.
Refer to EC-909, "DTC Logic" (P0120), ...
P0651 sensor power supply
DTC Logic
DTC DETECTION LOGIC
Diagnosis Procedure
1.CHECK GROUND CONNECTION
1. Turn ignition switch OFF.
2. Check ground connection E38. Refer to Ground Inspection in GI-44, "Circuit
Ins ...
Other materials:
Push-button ignition switch positions
LOCK (Normal parking position)
The ignition switch can only be locked in this position.
The ignition switch will be unlocked when it is pushed to the ACC position while
carrying the Intelligent Key.
ACC (Accessories)
This position activates electrical accessories such as the radio, when the en ...
C1140 actuator relay system
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always turn
ignition switch OFF and
wait at least 10 seconds before conducting the next test.
>> GO TO 2.
2.CHECK DTC DETECTION
With CONSULT ...
Idle air volume learning
Description
Idle Air Volume Learning is a function of ECM to learn the idle air volume
that keeps each engine idle speed
within the specific range. It must be performed under any of the following
conditions:
• Each time electric throttle control actuator or ECM is replaced.
• Idle speed or i ...
