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".
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DTC Description
DTC DETECTION LOGIC
DTC
CONSULT screen terms
(Trouble diagnosis content
DTC detection condition
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DTC Description
DTC DETECTION LOGIC
DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
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DTC Description
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
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POSSIBLE CAUSE
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Basic inspection
DIAGNOSIS AND REPAIR WORK FLOW
Work flow
OVERALL SEQUENCE
DETAILED FLOW
1.OBTAIN INFORMATION ABOUT SYMPTOM
Interview the customer to obtain as much information as possible about the
conditions and environment under
which the malfunction occurred.
>> GO TO 2.
2.CHECK SYMPTOM
...
