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

B2192 ID discord, IMMU-ECM

B2195 Anti-scanning

Other materials:

P0506 ISC system
Description The ECM controls the engine idle speed to a specified level through the fine adjustment of the air, which is let into the intake manifold, by operating the electric throttle control actuator. The operating of the throttle valve is varied to allow for optimum control of the engine ...

The braking distance is long
Diagnosis Procedure CAUTION: The stopping distance on slippery road surfaces might be longer with the ABS operating than when the ABS is not operating. 1.CHECK ABS FUNCTION Turn ignition switch OFF. Disconnect ABS actuator and electric unit (control unit) connector to deactivate ABS ...

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