Nissan Versa

 Sedan Service Manual

Body exterior, doors, roof & vehicle security » Security control system (SEC)
B2193, P1612 Chain of ECM-IMMU

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. ECM prevents the engine from starting if the ID is not registered.

• DTC Logic
• Diagnosis Procedure

Precautions

Component parts Component parts Component parts

Intelligent key system/engine start function

Nissan anti-theft system

Vehicle security system

Diagnosis system (BCM)

Diagnosis and repair work flow

Additional service when replacing control unit

P1610 Lock mode

P1611 ID Discord, IMMU-ECM

P1612 Chain of ECM-IMMU

B2192 ID discord, IMMU-ECM

B2193 Chain of ECM-IMMU

B2195 Anti-scanning

B2196 Dongle unit

B2198 NATS antenna AMP

B2555 Stop lamp

B2556 Push-button ignition switch

B2557 Vehicle speed

B2601 Shift position

B2602 Shift position

B2603 Shift position

B2604 Shift position

B2605 Shift position

B2608 Starter relay

B260F Engine status

B26F3 Starter control relay

B26F4 Starter control relay

B26F7 BCM

B26FC Key registration

B210B Starter control relay

B210C Starter control relay

B210D Starter relay

B210E Starter relay

B210F Shift position/clutch interlock switch

B2110 Shift position/clutch interlock switch

Engine does not start when intelligent key is inside of vehicle

Security indicator lamp does not turn on or blink

NATS antenna AMP

Push-button ignition switch

Remote keyless entry receiver

Precautions

Nissan vehicle immobilizer system-NATS

Diagnosis system (IPDM E/R)

Diagnosis and repair workflow

Inspection and adjustment

U1000 CAN Comm

U1010 Control unit (CAN)

P1610 Lock mode

B2190, P1614 NATS antenna AMP

B2191, P1615 Difference of key

B2192, P1611 ID discord, IMMU-ECM

B2193, P1612 Chain of ECM-IMMU

B2195 Anti-scanning

B2196 Dongle unit

Power supply and ground circuit

Vehicle security indicator

Nissan vehicle immobilizer systemnats symptoms

NATS antenna AMP