Nissan Juke Service and Repair Manual : 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), EC-997, "DTC Logic" (P2100).
Diagnosis Procedure
1.CHECK ELECTRIC THROTTLE CONTROL ACTUATOR
Perform EC-910, "Component Inspection" (P0120), EC-998, "Component Inspection" (P2100).
Is the inspection result normal? YES >> GO TO 3.
NO >> GO TO 2.
2.REPLACE ELECTRIC THROTTLE CONTROL ACTUATOR
1. Replace electric throttle control actuator.
2. Perform EC-973, "Special Repair Requirement".
>> INSPECTION END
3.CHECK INTERMITTENT INCIDENT
Refer to GI-42, "Intermittent Incident".
>> INSPECTION END
Special Repair Requirement
1.PERFORM THROTTLE VALVE CLOSED POSITION LEARNING
Refer to EC-882, "Work Procedure".
>> END
P062B ECM
DTC Logic
DTC DETECTION LOGIC
Diagnosis Procedure
1.INSPECTION START
1. Turn ignition switch ON.
2. Erase DTC.
3. Turn ignition switch OFF and wait for 20 seconds.
4. Turn ignition switch ON ...
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
Ins ...
Other materials:
Inspection
INSPECTION AFTER REMOVAL
Check the following items, and replace the part if necessary.
• Move joint up/down, left/right, and in the axial directions. Check for motion
that is not smooth and for significant
looseness.
• Check boot for cracks, damage, and leakage of grease.
• Check the suppor ...
Timing chain
Exploded View
1. Timing chain slack guide
2. Timing chain tensioner
3. Camshaft sprocket (EXH)
4. Camshaft sprocket (INT)
5. Plug 6. Front oil seal
7. Crankshaft pulley
8. Crankshaft pulley bolt
9. Front cover
10. Crankshaft sprocket
11. Crankshaft sprocket key
12. Oil pump sproc ...
System
System Diagram
System Description
DESCRIPTION
• Manual air conditioning system is controlled by each function of thermo
control amp., BCM, ECM and IPDM
E/R.
• Fan speed of blower motor is changed by the combination of fan control dial
operation and blower fan resistor
control.
CONTROL ...
