Nissan Juke Service and Repair Manual : P0778 pressure control solenoid B
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
NOTE
:
If “DTC CONFIRMATION PROCEDURE” has been previously performed, always turn
ignition switch
OFF and wait at least 10 seconds before performing the next test.
After the repair, perform the following procedure to confirm the malfunction is eliminated.
1.CHECK DTC DETECTION
With CONSULT-III
1. Turn ignition switch ON.
2. Start engine.
3. Drive vehicle and maintain the following conditions for at least 5 consecutive seconds.
4. Select “Self Diagnostic Results” in “TRANSMISSION”.
With GST
Follow the procedure “With CONSULT-III”.
Is “P0778” detected? YES >> Go to TM-225, "Diagnosis Procedure".
NO >> Check intermittent incident. Refer to GI-42, "Intermittent Incident".
Diagnosis Procedure
1.CHECK SECONDARY PRESSURE SOLENOID VALVE CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect TCM connector.
3. Check resistance between TCM connector terminal and ground.
Is the inspection result normal? YES >> GO TO 4.
NO >> GO TO 2.
2.CHECK SECONDARY PRESSURE SOLENOID VALVE
Check secondary pressure solenoid valve. Refer to TM-226, "Component Inspection".
Is the inspection result normal? YES >> GO TO 3.
NO >> Repair or replace damaged parts.
3.CHECK HARNESS BETWEEN TCM AND SECONDARY PRESSURE SOLENOID VALVE
1. Turn ignition switch OFF.
2. Disconnect TCM connector and CVT unit harness connector.
3. Check continuity between TCM connector terminal and CVT unit harness connector terminal.
4. If OK, check harness for short to ground and short to power.
5. Reinstall any part removed.
Is the inspection result normal? YES >> GO TO 4.
NO >> Repair or replace damaged parts.
4.CHECK TCM
Check TCM input/output signals. Refer to TM-164, "Reference Value".
Is the inspection result normal? YES >> Check intermittent incident. Refer to GI-42, "Intermittent Incident".
NO >> Replace the TCM. Refer to TM-280, "Removal and Installation".
Component Inspection
SECONDARY PRESSURE SOLENOID VALVE
1.SECONDARY PRESSURE SOLENOID VALVE
1. Turn ignition switch OFF.
2. Disconnect CVT unit harness connector.
3. Check resistance between CVT unit harness connector terminal and ground.
Is the inspection result normal? YES >> INSPECTION END
NO >> Replace the transaxle assembly. Refer to TM-301, "Removal and Installation".
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 C ...
P0826 up and down shift SW
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
CAUTION:
Always drive vehicle at a safe speed.
NOTE:
If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always turn
ignit ...
Other materials:
Back door does not opened
Diagnosis Procedure
1.CHECK BACK DOOR OPENER SWITCH
Check back door opener switch.
Refer to DLK-513, "Component Function Check".
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair or replace the malfunctioning parts.
2.CHECK BACK DOOR OPENER ACTUATOR
...
Cooling fan control
Cooling fan control : System Diagram
Cooling fan control : System Description
INPUT/OUTPUT SIGNAL CHART
*: The ECM determines the start signal status by the signals of engine speed
and battery voltage.
SYSTEM DESCRIPTION
ECM controls cooling fan speed corresponding to vehicle speed, eng ...
Structure and operation
Sectional View
1. Transfer cover
2. Ring gear shaft
3. Companion flange
4. Drive pinion
5. Ring gear
6. Transfer case
Operation Principle
POWER TRANSFER DIAGRAM
1. Engine
2. Transaxle
3. Transfer
4. Propeller shaft
5. Electric controlled coupling
6. Rear final drive
ELECTR ...