Nissan Sentra manuals

Nissan Sentra Service Manual: P0999 Shift solenoid F

DTC Logic

DTC DETECTION LOGIC

DTC CONSULT screen terms (Trouble diagnosis content)

DTC detection condition

Possible causes

P0999 SHIFT SOLENOID F (Shift Solenoid F Control Circuit High) The TCM low brake solenoid valve current monitor reading is 200 mA or less continuously for 200 msec or more under the following diagnosis conditions:

Diagnosis conditions

  • Solenoid valve output current: 750 mA or more
  • GND short diagnosis of the solenoid valve circuit is not satisfied.
  • TCM power supply voltage: More than 11 V
  • Harness or connector (Low brake solenoid valve circuit is open or shorted to power supply)
  • Low brake solenoid valve

DTC CONFIRMATION PROCEDURE

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

  1. Start the engine.
  2. Shift the selector lever to “D” position and wait for 5 seconds or more.
  3. Check the first trip DTC.

Is “P0999” detected? YES >> Go to TM-212, "Diagnosis Procedure".

NO >> INSPECTION END

Diagnosis Procedure

1.CHECK CIRCUIT BETWEEN TCM AND CVT UNIT

  1. Turn ignition switch OFF.
  2. Disconnect TCM connector and CVT unit connector.
  3. Check continuity between TCM harness connector terminal and CVT unit harness connector terminal.

result normal? Is the inspection
result normal? YES >> GO TO 2.

NO >> Repair or replace malfunctioning parts.

2.CHECK LOW BRAKE SOLENOID VALVE

Check low brake solenoid valve. Refer to TM-213, "Component Inspection".

Is the inspection result normal? YES >> Check intermittent incident. Refer to GI-39, "Intermittent Incident".

NO >> Repair or replace malfunctioning parts.

Component Inspection

1.CHECK LOW BRAKE SOLENOID VALVE

Check resistance between CVT unit connector terminal and ground.

result normal? Is the inspection
result normal? YES >> INSPECTION END

NO >> There is a malfunction of low brake solenoid valve. Replace transaxle assembly. Refer to TM-283, "Removal and Installation".

P0998 Shift solenoid F
DTC Logic DTC DETECTION LOGIC DTC CONSULT screen terms (Trouble diagnosis content) DTC detection condition Possible causes P0998 SHIFT SOLENOID F (Shift Solenoid F ...

P099B Shift solenoid G
DTC Logic DTC DETECTION LOGIC DTC CONSULT screen terms (Trouble diagnosis content) DTC detection condition Possible causes P099B SHIFT SOLENOID G (Shift Solenoid G ...

Other materials:

Unit disassembly and assembly
TORQUE CONVERTER AND CONVERTER HOUSING OIL SEAL Exploded View Transaxle assembly Torque converter Converter housing oil seal : Apply CVT Fluid Disassembly Remove transaxle assembly. Remove torque converter. CAUTION: Do not damage the bushing on the inside of torque con ...

Symptom diagnosis
Squeak and rattle trouble diagnoses Work Flow CUSTOMER INTERVIEW Interview the customer if possible, to determine the conditions that exist when the noise occurs. Use the Diagnostic Worksheet during the interview to document the facts and conditions when the noise occurs and any custome ...

Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain types of collision. Information necessary to service the system ...

© 2014-2021 Copyright www.nisentra.com