Nissan Maxima Service and Repair Manual: ECU diagnosis information

Steering switch

Description When one of the steering wheel audio control switches is pushed, the resistance in the steering wheel audio control switch circuit changes, depending on which button is pushed. Diagn ...

AV control unit

Reference Value VALUES ON THE DIAGNOSIS TOOL CONSULT data monitor item TERMINAL LAYOUT PHYSICAL VALUES DTC Index SELF-DIAGNOSIS RESULTS DISPLAY ITEM ...

Other materials:

Lifting switch (rear)
Description Lifting switch (rear) is equipped to the power seat switch LH on the seat frame. The operation signal is inputted to the driver seat control unit when the lifting switch (rear) is operated. Component Function Check 1. CHECK FUNCTION Select "LIFT RR SW-UP", "LIFT RR SW-DN" in " ...

Diagnosis system (IPDM E/R)
Diagnosis Description AUTO ACTIVE TEST Description In auto active test mode, the IPDM E/R sends a drive signal to the following systems to check their operation. Oil pressure warning lamp Front wiper (LO, HI) Parking lamps Side marker lamps License plate lamps Tail lamps Front f ...

P0420, P0430 three way catalyst function
DTC Logic DTC DETECTION LOGIC The ECM monitors the switching frequency ratio of air fuel ratio (A/F) sensor 1 and heated oxygen sensor 2. A three way catalyst (manifold) with high oxygen storage capacity will indicate a low switching frequency of heated oxygen sensor 2. As oxygen sto ...