Nissan Versa (N17): B2191, P1615 Difference of key

Nissan Versa 2nd generation (N17) Service Manual / Body exterior, doors, roof & vehicle security / Security control system (SEC) / B2191, P1615 Difference of key

Description

Performs ID verification through BCM when mechanical key is inserted in the ignition key cylinder.

Prohibits the release of steering lock or start of engine when an unregistered ID of mechanical key is used.

DTC Logic

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.PERFORM DTC CONFIRMATION PROCEDURE

1. Insert mechanical key into the key cylinder.

2. Check "Self diagnostic result" with CONSULT.

Is DTC detected?

YES >> Refer to SEC "Diagnosis Procedure".

NO >> Inspection End.

Diagnosis Procedure

1.PERFORM INITIALIZATION

Perform initialization with CONSULT. Re-register all mechanical keys.

For initialization and registration of mechanical key. Refer to CONSULT Immobilizer mode and follow the onscreen instructions.

Can the system be initialized and can the engine be started with re-registered mechanical key?

YES >> Mechanical key was unregistered.

NO >> BCM is malfunctioning.

Replace BCM. Refer to BCS "Removal and Installation".
Perform initialization again.

B2190, P1614 NATS antenna AMP

Description Performs ID verification through BCM and NATS antenna amplifier when ignition key is inserted and ignition switch turned ON. Prohibits the start of engine when an unregistered ID of ...

B2192, P1611 ID discord, IMMU-ECM

Description BCM performs the ID verification with ECM that allows the engine to start. BCM starts the communication with ECM if ignition switch is turned ON and starts the engine if the ID is OK ...

Other materials:

U0140 Lost communication (BCM)
DTC Logic DTC DETECTION LOGIC DTC Trouble diagnosis name DTC detection condition Possible causes U0140 Lost Communication With Body Control Module When the ignition switch is ON, TCM is unable to receive the CAN communications signal from BCM continuously ...