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:

Heated steering wheel switch (if so equipped)
Push the heated steering wheel switch to warm the steering wheel after the ignition switch is placed in the ON position. The indicator light will come on. If the surface temperature of the steering wheel is below 68ºF (20ºC), the system will heat the steering wheel and cycle off and on to mainta ...

Tire pressure
Tire Pressure Monitoring System (TPMS) WARNING Radio waves could adversely affect electric medical equipment. Those who use a pacemaker should contact the electric medical equipment manufacturer for the possible influences before use. This vehicle is equipped with the Tire Pressure Monitoring Syste ...

Programming trouble-diagnosis
If the HomeLink does not quickly learn the hand-held transmitter information: Replace the hand-held transmitter batteries with new batteries. Position the hand-held transmitter with its battery area facing away from the HomeLink surface. Press and hold both the HomeLink and hand-held transmi ...