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:
P0776 pressure control solenoid B
Description
The secondary pressure solenoid valve regulates the secondary pressure to
suit the driving condition in
response to a signal sent from the TCM.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
CAUTION:
Always drive vehicle at a safe speed.
NOTE:
If “DTC CONFIRMATIO ...
Power supply and ground circuit
Diagnosis Procedure
1.CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) IGNITION POWER
SUPPLY
1. Turn the ignition switch OFF.
2. Disconnect ABS actuator and electric unit (control unit) harness connector.
3. Check voltage between ABS actuator and electric unit (control unit) harness
conne ...
P1212 TCS communication line
Description
This CAN communication line is used to control the smooth engine operation
during the TCS operation. Pulse
signals are exchanged between ECM and “ABS actuator and electric unit (control
unit)”.
Be sure to erase the malfunction information such as DTC not only for “ABS
ac ...
