Nissan Altima 2007-2012 Service Manual: B2099 ignition relay off stuck

Description

• IPDM E/R operates the ignition relay when it receives an ignition switch ON signal from BCM via CAN communication.

• Turn the ignition relay OFF by pressing the push-button ignition switch once when the vehicle speed is 4 km/ h (2.5 MPH) or less.

• Turn the ignition relay OFF with the following operation when the vehicle speed is more than 4 km/h (2.5 MPH) or when an abnormal condition occurs in CAN communication from the unified meter (Emergency OFF) - Press and hold the push-button ignition switch for 2 seconds or more.

- Press the push-button ignition switch 3 time within 1.5 seconds.

NOTE: The ignition relay does not turn ON for 3 seconds after emergency OFF even if the push-button ignition switch is pressed.

DTC Logic

DTC DETECTION LOGIC

Diagnosis Procedure

1. PERFORM SELF DIAGNOSIS

1. Turn the ignition switch ON.

2. Erase “Self Diagnostic Result”.

3. Turn ignition switch OFF.

4. Turn the ignition switch ON. Check “Self Diagnostic Result” again.

Is “IGN RELAY OFF” displayed? YES >> Replace IPDM E/R. Refer to PCS-48, "Removal and Installation".

NO >> Refer to GI-42, "Intermittent Incident".

    B2098 ignition relay on stuck
    Description • IPDM E/R operates the ignition relay when it receives an ignition switch ON signal from BCM via CAN communication. • Turn the ignition relay OFF by pressing the push-button ig ...

    Power supply and ground circuit
    Diagnosis Procedure 1. CHECK FUSES AND FUSIBLE LINK Check that the following IPDM E/R fuses or fusible link are not blown. Is the fuse blown? YES >> Replace the blown fuse or fusible link ...

    Other materials:

    Reverse signal circuit
    Description A reverse signal is supplied from the back-up lamp relay to the rear view camera control unit. When this signal is received, the display shows a view to the rear of the vehicle. Diagnosis Procedure 1.BACK-UP LAMP INSPECTION 1. Turn ignition switch ON. 2. Shift selector lever t ...

    Combination meter
    Reference Value TERMINAL LAYOUT PHYSICAL VALUES Wiring Diagram - Coupe Wiring Diagram - Sedan Fail Safe The combination meter performs a fail-safe operation for the functions listed below when communication is lost ...

    P1777 step motor
    Description The step motor changes the step with turning 4 coils ON/OFF according to the signal from TCM. As a result, the flow of line pressure to primary pulley is changed and pulley ratio is controlled DTC Logic DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE CAUTION: Always drive v ...