Nissan Altima 2007-2012 Service Manual: P1148 Closed loop control

DTC Logic

DTC DETECTION LOGIC

NOTE: DTC P1148 is displayed with another DTC for A/F sensor 1.

Perform the trouble diagnosis for the corresponding DTC.

    P0850 PNP Switch
    Description When the shift lever position is P or N (CVT), Neutral position (M/T), park/neutral position (PNP) switch is ON. ECM detects the position because the continuity of the line (the ON s ...

    P1217 engine over temperature
    DTC Logic DTC DETECTION LOGIC NOTE: • If DTC P1217 is displayed with DTC UXXXX, first perform the trouble diagnosis for DTC UXXXX. • If DTC P1217 is displayed with DTC P0607, first perfor ...

    Other materials:

    BCM branch line circuit
    Diagnosis Procedure INSPECTION PROCEDURE 1.CHECK CONNECTOR 1. Turn the ignition switch OFF. 2. Disconnect the battery cable from the negative terminal. 3. Check the terminals and connectors of the BCM for damage, bend and loose connection (unit side and connector side). Is the inspec ...

    AV Branch line circuit
    Diagnosis Procedure INSPECTION PROCEDURE 1.CHECK CONNECTOR 1. Turn the ignition switch OFF. 2. Disconnect the battery cable from the negative terminal. 3. Check the terminals and connectors of the AV control unit for damage, bend and loose connection (unit side and connector side). I ...

    Electrical load signal
    Description The electrical load signal (Headlamp switch signal, rear window defogger switch signal, etc.) is transferred via the CAN communication. Component Function Check 1.CHECK REAR WINDOW DEFOGGER SWITCH FUNCTION 1. Turn ignition switch ON. 2. Connect CONSULT-III and select “DATA MO ...