Nissan Versa (N17): P0890 TCM

Nissan Versa 2nd generation (N17) Service Manual / Transmission & driveline / Transaxle & transmission (TM) / P0890 TCM

DTC Logic

DTC DETECTION LOGIC

DTC Trouble diagnosis name DTC detection condition Possible causes
P0890 Transmission Control Module Power Relay Sense Circuit Low Under the following diagnosis conditions, the battery voltage supplied to the TCM is less than 8.4V continuously for 0.2 seconds or more.

- Diagnosis condition

- TCM power supply voltage: More than 11 V

 Harness or connector (TCM power supply circuit is open or shorted.)

DTC REPRODUCTION 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. Check the first trip DTC.

Is "P0890" detected?

YES >> Go to TM, "Diagnosis Procedure".

NO >> INSPECTION END

Diagnosis Procedure

1.CHECK TCM BATTERY VOLTAGE CIRCUIT

  1. Turn the ignition switch ON.
  2. Disconnect the TCM connector.
  3. Disconnect the IPDM E/R connector.
  4. Check the continuity between the TCM harness connector and the IPDM E/R harness connector. 

Is the check result normal?

YES >> Check intermittent incident. Refer to GI, "Intermittent Incident".

NO >> GO TO 2.

2.DETECTION OF MALFUNCTION ITEMS

10 A fuse (#49, IPDM E/R). Refer to PG, "IPDM E/R Terminal Arrangement".

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

NO >> Repair or replace the malfunctioning parts.

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