Nissan Altima 2007-2012 Service Manual: Component diagnosis

On board diagnostic (OBD) System
Diagnosis Description INTRODUCTION The ECM has an on board diagnostic system, which detects malfunctions related to engine sensors or actuators. The ECM also records various emission-related di ...

Trouble diagnosis - specification value
Description The specification (SP) value indicates the tolerance of the value that is displayed in “SPEC” of “DATA MONITOR” mode of CONSULT-III during normal operation of the Engine Contr ...

Other materials:

P2118 throttle control motor
Description The throttle control motor is operated by the ECM and it opens and closes the throttle valve. The current opening angle of the throttle valve is detected by the throttle position sensor and it provides feedback to the ECM to control the throttle control motor to make the throttl ...

B2607 steering lock relay
Description BCM requests to IPDM E/R to supply power to electronic steering column lock. IPDM E/R sends status of electronic steering column lock back to BCM. DTC Logic DTC DETECTION LOGIC NOTE: • If DTC B2607 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U100 ...

Camera image signal circuit (rear view camera to camera control unit)(sedan)
Description Rear view camera images are transmitted to the rear view camera control unit using the camera image signal circuits. Diagnosis Procedure 1.CHECK CAMERA IMAGE SIGNAL CIRCUIT CONTINUITY 1. Turn ignition switch OFF. 2. Disconnect rear view camera control unit connector and rear ...