Nissan Maxima Service and Repair Manual: ECU diagnosis information

Microphone signal circuit

Description Voice signals are transmitted from the microphone to the Bluetooth control unit using the microphone signal circuits. Diagnosis Procedure 1.CHECK HARNESS BETWEEN BLUETOOTH CONTROL UNI ...

Audio unit

Reference Value TERMINAL LAYOUT PHYSICAL VALUES ...

Other materials:

Horn function
Description Perform answer-back for each operation with horn. Component Function Check 1. CHECK FUNCTION Select HORN in "ACTIVE TEST" mode with CONSULT. Check the horn (high/low) operation. Diagnosis Procedure 1. CHECK HORN FUNCTION Check horn function with horn switch 2. CHECK ...

Fuel pump
Description *: ECM determines the start signal status by the signals of engine speed and battery voltage. The ECM activates the fuel pump for several seconds after the ignition switch is turned ON to improve engine start ability. If the ECM receives a engine speed signal from the camsh ...

Power seat switch ground circuit
Diagnosis Procedure 1. CHECK POWER SEAT SWITCH LH GROUND CIRCUIT Turn ignition switch OFF. Disconnect power seat switch LH. Check continuity between power seat switch LH connector and ground.   ...