Nissan Altima (L32) 2007-2012 Service Manual ≻ Engine control system VQ35DE ≻ Component diagnosis ≻ P1148, P1168 Closed loop control

Nissan Altima (L32) 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:

Seat belt warning light and chime
The driver and front passenger seat is equipped with an enhanced seat belt reminder function. A visual and audible alert will operate at speeds of approximately 9 mph (15 km/h) or more under the following conditions: If the driver seat belt is not fastened. The front passenger’s seat belt is ...

Jacking up vehicle and removing the damaged tire (2WD models)
WARNING Never get under the vehicle while it is supported only by the jack. If it is necessary to work under the vehicle, support it with safety stands. Use only the jack provided with your vehicle to lift the vehicle. Do not use the jack provided with your vehicle on other vehicles. The ja ...

Push-button ignition switch
WARNING Do not operate the push-button ignition switch while driving the vehicle except in an emergency. (The engine will stop when the ignition switch is pushed three consecutive times in quick succession or the ignition switch is pushed and held for more than 2 seconds.) If the engine stops while ...