Nissan Altima manuals

Nissan Altima (L32) 2007-2012 Service Manual: B2193, P1612 chain of ECM-IMMU

Description

BCM performs the ID verification with ECM that allows the engine to start. Start the engine if the ID is OK.

ECM prevents the engine from starting if the ID is not registered. BCM starts the communication with ECM if ignition switch is turned ON.

DTC Logic

DTC DETECTION LOGIC

NOTE: • If DTC B2193 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to SEC-235, "DTC Logic".

• If DTC B2193 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to SEC-236, "DTC Logic".

DTC CONFIRMATION PROCEDURE

1.PERFORM DTC CONFIRMATION PROCEDURE

1. Turn ignition switch ON under the following conditions: - CVT selector lever is in the P or N position.

- Do not depress brake pedal.

2. Check “Self Diagnostic Result” with CONSULT-III.

Is DTC detected? YES >> Refer to SEC-268, "Diagnosis Procedure".

NO >> Inspection End.

Diagnosis Procedure

1.REPLACE BCM

1. Replace BCM. Refer to BCS-96, "Removal and Installation".

2. Perform initialization with CONSULT-III.

For initialization, refer to “CONSULT-III Operation Manual.

Does the engine start? YES >> BCM is malfunctioning.

• Replace BCM. Refer to BCS-96, "Removal and Installation".

• Perform initialization again.

NO >> ECM is malfunctioning.

• Replace ECM.

• Perform ECM re-communicating function.

B2192, P1611 ID discord, IMMU-ECM
Description BCM performs the ID verification with ECM that allows the engine to start. Start the engine if the ID is OK. ECM prevents the engine from starting if the ID is not registered. BCM st ...

B2555 stop lamp
Description BCM detects the stop lamp status and confirms the stop lamp switch ON/OFF status. BCM confirms the engine start condition according to the stop lamp switch ON/OFF status. DTC Logic ...

Other materials:

Monitor, climate, audio, phone and voice recognition systems
WARNING ● Positioning of the heating or air conditioning controls and display controls should not be done while driving in order that full attention may be given to the driving operation. ● Do not disassemble or modify this system. If you do, it may result in accidents, fire, o ...

Key slot
Diagnosis Procedure 1.CHECK KEY SLOT POWER SUPPLY CIRCUIT 1. Turn ignition switch OFF. 2. Disconnect key slot connector. 3. Check voltage between slot connector and ground. Is the inspection result normal? YES >> GO TO 2 NO >> Repair or replace key slot power supply circu ...

Front wiper motor hi circuit
Component Function Check 1. CHECK FRONT WIPER HI OPERATION 1. Start IPDM E/R auto active test. Refer to PCS-14, "Diagnosis Description". 2. Check that the front wiper operates at the HI operation. 1. Select "FRONT WIPER" of IPDM E/R active test item. 2. While operat ...