Nissan Altima 2007-2012 Service Manual: P1148, P1168 Closed loop control

DTC Logic

DTC DETECTION LOGIC

NOTE: DTC P1148 or P1168 is displayed with another DTC for A/F sensor 1.

Perform the trouble diagnosis for the corresponding DTC.

    P0850 PNP Switch
    Description When the selector lever position is P or N, park/neutral position (PNP) signal from the TCM is sent to ECM (CVT models). When the selector lever position is Neutral position, park/n ...

    P1212 TCS Communication line
    Description This CAN communication line is used to control the smooth engine operation during the TCS operation. Pulse signals are exchanged between ECM and “ABS actuator and electric unit (cont ...

    Other materials:

    Front wheel hub and knuckle
    Removal and Installation 1. Cotter pin 2. Disc rotor 3. Wheel hub and bearing assembly 4. Splash guard 5. Steering knuckle REMOVAL 1. Remove wheel and tire from vehicle. Refer to WT-66, "Adjustment". 2. Remove brake caliper using power tool, leaving brake caliper hydraulic li ...

    Body side trim
    Exploded View 1. Front pillar finisher 2. Dash side lower finisher 3. Front kicking plate 4. Front sill cover 5. Center pillar lower finisher 6. Rear sill cover 7. Rear kicking plate 8. Rear body side welt 9. Rear pillar finisher 10. Screw cover 11. Center pillar upper finisher 12. Fro ...

    Power supply and ground circuit
    Diagnosis Procedure 1.CHECK GROUND CONNECTION 1. Turn ignition switch OFF. 2. Check ground connection E9. Refer to Ground Inspection in GI-45, "Circuit Inspection". Is the inspection result normal? YES >> GO TO 2. NO >> Repair or replace ground connection. 2.CHE ...