Nissan Maxima Service and Repair Manual: DTC/circuit diagnosis

Diagnosis system (ECM)

DIAGNOSIS DESCRIPTION DIAGNOSIS DESCRIPTION : 1st Trip Detection Logic and Two Trip Detection Logic When a malfunction is detected for the first time, 1st trip DTC and 1st trip Freeze Frame data ...

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 during normal operation of the Engine Control System. W ...

Other materials:

P0603 ECM power supply
Description Battery voltage is supplied to the ECM even when the ignition switch is turned OFF for the ECM memory function of the DTC memory, the air-fuel ratio feedback compensation value memory, the idle air volume learning value memory, etc. DTC Logic DTC DETECTION LOGIC DTC CON ...

Diagnosis system (driver seat C/U)
Diagnosis Description The auto drive positioner system can be checked and diagnosed for component operation with CONSULT. DIAGNOSTIC MODE Diagnostic mode [AUTO DRIVE POS.] Description WORK SUPPORT Changes the setting of each function SELF DIAGNOSTIC RESULT Perf ...

Inspection and adjustment
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Description BEFORE REPLACEMENT When replacing AV control unit, save current vehicle specification with CONSULT configuration before replacement. AFTER REPLACEMENT CAUTION: When replacing AV con ...