Nissan Maxima Service and Repair Manual: B terminal circuit

Description

"B" terminal circuit supplies power to charge the battery and operate the vehicle's electrical system.

Diagnosis Procedure

1.CHECK "B" TERMINAL CONNECTION

  1. Turn ignition switch OFF.
  2. Check if "B" terminal is clean and tight

2.CHECK "B" TERMINAL CIRCUIT

Check voltage between generator connector F6 terminal 1 and ground.

Nissan Maxima. CHECK

1 - ground Battery voltage

3.CHECK "B" TERMINAL CONNECTION (VOLTAGE DROP TEST)

  1. Start engine, then engine running at idle and warm.
  2. Check voltage between battery positive terminal and generator connector F6 terminal 1.

Nissan Maxima. CHECK

1 - B+ Less than 0.2V

    Power generation voltage variable control system operation inspection

    L terminal circuit (open)