Nissan Versa (N17): B2193 Chain of ECM-IMMU

Nissan Versa 2nd generation (N17) Service Manual / Body exterior, doors, roof & vehicle security / Security control system (SEC) / B2193 Chain of ECM-IMMU

DTC Logic

DTC DETECTION LOGIC

NOTE:

  • If DTC B2193 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to BCS "DTC Logic".
  • If DTC B2193 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to BCS "DTC Logic".   

DTC CONFIRMATION PROCEDURE

1.PERFORM DTC CONFIRMATION PROCEDURE

1. Turn ignition switch ON.

2. Check DTC in Self Diagnostic Result mode of BCM using CONSULT.

Is DTC detected?

YES >> Go to SEC "Diagnosis Procedure".

NO >> Inspection End.

Diagnosis Procedure

1.REPLACE BCM

1. Replace BCM. Refer to BCS "Removal and Installation".

2. Perform initialization of BCM and registration of all Intelligent Keys using CONSULT.

Does the engine start?

YES >> Inspection End.

NO >> GO TO 2.

2.REPLACE ECM

1. Replace ECM.

Refer to EC "Removal and Installation".

2. Perform "ADDITIONAL SERVICE WHEN REPLACING ECM".

Refer to EC "Work Procedure".

>> Inspection End

Other materials:

Push-button ignition switch (if so equipped)
WARNING Do not operate the push-button ignition switch while driving the vehicle except in an emergency. (The engine will stop when the ignition switch is pushed 3 consecutive times in quick succession or the ignition switch is pushed and held for more than 2 seconds.) If the engine stops ...

Shift position indicator circuit
Component Parts Function Inspection 1.CHECK SHIFT POSITION INDICATOR Start the engine. Shift selector lever. Check that the selector lever position and the shift position indicator on the combination meter are identical. Is the inspection result normal? YES >> INSPECTION END N ...

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