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:

Cold weather driving
Freeing a frozen door lock To prevent a door lock from freezing, apply de-icer through the key hole. If the lock becomes frozen, heat the key before inserting it into the key hole or use the remote keyless entry function on the Intelligent Key. Antifreeze In the winter when it is anticipated that th ...

Heater and air conditioner (automatic) (if so equipped)
AUTO (automatic) climate control button / temperature control dial (drivers side) Display screen Heated seat switches SYNC button / temperature control dial (passenger’s side) A/C (air conditioner) button Air recirculation button Air flow control button Fan speed control buttons Hea ...

Forward-facing child restraint installation using LATCH
For additional information, see all Warnings and Cautions in "Child safety" and "Child restraints" before installing a child restraint. Do not use the lower anchors if the combined weight of the child and the child restraint exceeds 65 lbs. (29.5 kg). If the combined weight of the child and the chi ...