Nissan Versa (N17): B26F6 BCM

DTC Logic

DTC DETECTION LOGIC

NOTE:

  • If DTC B26F6 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to PCS "DTC Logic".
  • If DTC B26F6 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to PCS "DTC Logic".               

DTC CONFIRMATION PROCEDURE

1.PERFORM DTC CONFIRMATION PROCEDURE

1. Turn ignition switch ON, and wait for 0.5 seconds or more.

2. Check "Self-diagnosis result" of BCM with CONSULT.

Is DTC detected?

YES >> Go to PCS "Diagnosis Procedure".

NO >> Inspection End.

Diagnosis Procedure

Regarding Wiring Diagram information, refer to PCS "Wiring Diagram".

1. CHECK SELF DIAGNOSTIC RESULT FOR IPDM E/R

Perform self diagnostic result for IPDM E/R.

Are any DTCs detected?

YES >> Refer to PCS"DTC Index".

NO >> GO TO 2

2. CHECK IGNITION RELAY-1 POWER SUPPLY (IPDM E/R)

Check voltage between IPDM E/R connector E47 terminal 90 and ground.

Is the inspection result normal?

YES >> Replace IPDM E/R. Refer to PCS "Removal and Installation".

NO >> GO TO 3.

3. CHECK IGNITION RELAY-1 POWER SUPPLY (BCM)

Check voltage between BCM connector M98 terminal 98 and ground.

Is the inspection result normal?

YES >> Refer to GI "Intermittent Incident".

NO >> Replace BCM. Refer to BCS "Removal and Installation".

Other materials:

Gear oil
Inspection OIL LEAKAGE Make sure that gear oil is not leaking from transaxle or around it. OIL LEVEL Remove filler plug (1) and gasket from transaxle case. Check the oil level from filler plug hole as shown.  CAUTION: Do not start engine while checking oil level. Install a new gas ...

U0073 Communication bus a off
DTC Logic DTC Trouble diagnosis name DTC detecting condition Possible causes U0073 Control Module Communication Bus "A" Off When the ignition switch is ON, TCM detects a bus-off error continuously for 2 seconds or more. Harness or connector (CA ...

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