Nissan Rogue Service Manual: P0778 pressure control solenoid B
DTC Description
DTC DETECTION LOGIC
| DTC | CONSULT screen terms (Trouble diagnosis content) | DTC detection condition |
| P0778 | PC SOLENOID B (Pressure Control Solenoid “B” Electrical) | When all of the following conditions are satisfied and this state is
maintained
for 0.48 seconds:
|
POSSIBLE CAUSE
- Harness or connector (Secondary pressure solenoid valve circuit is shorted to ground)
- Secondary pressure solenoid valve
FAIL-SAFE
- Selector shock is large
- Start is slow
- Acceleration is slow
- Lock-up is not performed
DTC CONFIRMATION PROCEDURE
CAUTION: Always drive vehicle at a safe speed.
1.PREPARATION BEFORE WORK
If another “DTC CONFIRMATION PROCEDURE” occurs just before, turn ignition switch OFF and wait for at least 10 seconds, then perform the next test.
>> GO TO 2.
2.CHECK DTC DETECTION
- Start the engine and wait for 5 seconds or more.
- Check the first trip DTC.
Is “P0778” detected? YES >> Go to TM-141, "Diagnosis Procedure".
NO-1 >> To check malfunction symptom before repair: Refer to GI-41, "Intermittent Incident".
NO-2 >> Confirmation after repair: INSPECTION END
Diagnosis Procedure
1.CHECK CIRCUIT BETWEEN TCM AND CVT UNIT
- Turn ignition switch OFF.
- Disconnect TCM connector and CVT unit connector.
- Check continuity between TCM harness connector terminal and ground.
Is the inspection result normal? YES >> GO TO 2.
NO >> Repair or replace damaged parts.
2.CHECK CIRCUIT BETWEEN CVT UNIT AND GROUND
Check continuity between CVT unit harness connector terminal and ground.
Is the inspection result normal? YES >> INSPECTION END
NO >> There is malfunction of secondary pressure solenoid valve. Replace transaxle assembly. Refer to TM-220, "Removal and Installation".
P0776 pressure control solenoid B
DTC Description
DTC DETECTION LOGIC
DTC
CONSULT screen terms
(Trouble diagnosis content
DTC detection condition
P0776
PC SOLENOID B
(Pressure Control Solenoid “B” ...
P0779 pressure control solenoid B
DTC Description
DTC DETECTION LOGIC
DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
P0779
Pressure control solenoid B Inte
When all of the ...
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Symptom diagnosis
HEATER AND AIR CONDITIONING SYSTEM CONTROL SYMPTOMS
Diagnosis Chart By Symptom
NOTE:
Perform the self-diagnoses with CONSULT before performing the symptom diagnosis.
If DTC is detected, perform
the corresponding diagnosis.
Symptom
Corresponding malfunction part
Refere ...
