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:

P1720 VSS
Description ECM receives two vehicle speed signals via the CAN communication line. One is sent from "ABS actuator and electric unit (control unit)" via the combination meter, and the other is from TCM (Transmission control module). ECM uses these signals for engine control. DTC Logic DTC ...

Wiring diagram 
STARTING SYSTEM  Wiring Diagram ...

B257B, B257C ambient sensor
Description COMPONENT DESCRIPTION Ambient Sensor The ambient sensor (1) is installed to the front bumper reinforcement. It detects ambient temperature and converts it into a resistance value which is then input into the A/C auto amp. Ambient Sensor Circuit AMBIENT TEMPERATUR ...