Nissan Altima 2007-2012 Service Manual: B2108 steering lock relay

Description

The steering lock relay ON signal is transmitted to IPDM E/R by BCM via CAN communication.

IPDM E/R turns the steering lock relay ON and transmits the release of the steering to BCM.

DTC Logic

DTC DETECTION LOGIC

NOTE: • If DTC B2108 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to SEC-235, "DTC Logic".

• If DTC B2108 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to SEC-236, "DTC Logic".

DTC CONFIRMATION PROCEDURE

DTC CONFIRMATION PROCEDURE

1. Press the push-button ignition switch under the following conditions and wait for at least 1 second.

- CVT selector lever is in the P position

- Do not depress the brake pedal.

2. Check “Self diagnostic result” with CONSULT-III.

Is DTC detected? YES >> Refer to SEC-241, "Diagnosis Procedure".

NO >> Inspection End.

Diagnosis Procedure

1.CHECK FUSE

1. Turn ignition switch OFF.

2. Check 10A fuse (No. 40, located in IPDM E/R).

Is the inspection result normal? YES >> Replace IPDM E/R. Refer to PCS-48, "Removal and Installation".

NO >> Check the following.

• Harness for open or short between IPDM E/R and battery

• Fuse

    B2014 chain of strg-immu
    Description BCM performs the ID verification with the steering lock unit to release the steering. BCM starts the communication with the steering lock unit when Intelligent Key is carried into the ...

    B2109 steering lock relay
    Description The steering lock relay ON signal is transmitted to IPDM E/R by BCM via CAN communication. IPDM E/R turns the steering lock relay ON and transmits the release of the steering to B ...

    Other materials:

    Starting system
    Wiring Diagram - Coupe Wiring Diagram - Sedan ...

    Basic inspection
    DIAGNOSIS AND REPAIR WORKFLOW Work Flow OVERALL SEQUENCE DETAILED FLOW 1.GET INFORMATION FOR SYMPTOM Get detailed information from the customer about the symptom (the condition and the environment when the incident/malfunction occurred). >> GO TO 2 2.CONFIRM THE SYMPTOM Try to c ...

    Wheels
    Inspection ALUMINUM WHEEL 1. Check tires for wear and improper inflation. 2. Check wheels for deformation, cracks and other damage. If deformed, remove wheel and check wheel runout. a. Remove tire from aluminum wheel and mount on a tire balance machine. b. Set dial indicator as shown ...