Nissan Maxima Service and Repair Manual: ECU diagnosis information

Seat belt buckle switch signal circuit

Description Transmits a seat belt buckle switch LH signal to the combination meter. Component Function Check 1. CHECK COMBINATION METER INPUT SIGNAL Start engine. Monitor seat belt warning la ...

Combination meter

Reference Value VALUES ON THE DIAGNOSIS TOOL NOTE: * The monitor will indicate "OFF" even though the brake warning lamp is on if either of the following conditions exist: The parking br ...

Other materials:

Vacuum lines
Inspection VISUAL INSPECTION Check for improper assembly, damage and deterioration. Replace as necessary. CHECK VALVE INSPECTION Airtightness Inspection Use a suitable tool to check the built-in check valve. Replace the vacuum hose with the built-in check valve as an assembly if the vacuu ...

Intelligent key warning buzzer
Description Answers back and warns for an inappropriate operation. Component Function Check 1. CHECK FUNCTION With CONSULT Check Intelligent Key warning buzzer OUTSIDE BUZZER in Active Test mode. Diagnosis Procedure 1. CHECK INTELLIGENT KEY WARNING BUZZER Check voltage between BCM connecto ...

ASCD brake switch
Description When the brake pedal is depressed, ASCD brake switch is turned OFF and stop lamp switch is turned ON. ECM detects the state of the brake pedal by those two types of input (ON/OFF signal). Refer to EC-68, "System Diagram" for the ASCD function. Component Function Che ...