Nissan Altima 2007-2012 Service Manual: Symptom diagnosis

Ecu diagnosis
ECM Reference Value VALUES ON THE DIAGNOSIS TOOL Remarks: ● Specification data are reference values. ● Specification data are output/input values which are detected or supplied b ...

Engine control system symptoms
Symptom Table SYSTEM — BASIC ENGINE CONTROL SYSTEM 1 - 6: The numbers refer to the order of inspection. (continued on next table) SYSTEM — ENGINE MECHANICAL & OTHER 1 - 6: The n ...

Other materials:

P0442 evap control system
DTC Logic DTC DETECTION LOGIC NOTE: If DTC P0442 is displayed with DTC P0456, first perform the trouble diagnosis for DTC P0456. Refer to EC-841, "DTC Logic". This diagnosis detects leaks in the EVAP purge line using engine intake manifold vacuum. If pressure does not increa ...

P2138 APP sensor
Description The accelerator pedal position sensor is installed on the upper end of the accelerator pedal assembly. The sensor detects the accelerator position and sends a signal to the ECM. Accelerator pedal position sensor has two sensors. These sensors are a kind of potentiometer which tran ...

Clearing the programmed information
The following procedure clears the programmed information from both buttons. Individual buttons cannot be cleared. However, individual buttons can be reprogrammed. See “Reprogramming a single HomeLink® button” in this section. To clear all programming: 1. Press and hold the two outer Ho ...