Nissan Maxima Service and Repair Manual: B terminal C 

Description 

The "B" terminal is constantly supplied with battery power.

Diagnosis Procedure 

CAUTION: Perform diagnosis under the condition that the engine cannot start by the following procedure.

  1.  Remove fuel pump fuse.
  2.  Crank or start the engine (where possible) until the fuel pressure is depleted. 

1.CHECK TERMINAL B POWER SUPPLY VOLTAGE

  1.  Turn ignition switch OFF.
  2.  Make sure that starter motor connector F27 terminal B connection is clean and tight.
  3.  Check voltage between starter motor connector F27 terminal B and ground. 

Nissan Maxima. B TERMINAL C  

B - ground Battery voltage

2.CHECK BATTERY CABLE (VOLTAGE DROP TEST)

  1. Shift CVT selector lever to "P" or "N" position.
  2.  Check voltage between battery positive terminal and starter motor connector F27 terminal B while cranking the engine. 

Nissan Maxima. HECK BATTERY CABLE (VOLTAGE DROP TEST) 

While cranking the engine Terminal B - B+ terminal Less than 0.5V 

3.CHECK GROUND CIRCUIT STATUS (VOLTAGE DROP TEST)

  1.  Shift CVT selector lever to "P" or "N" position. 
  2. Check voltage between starter motor case and battery negative terminal while cranking the engine.

Nissan Maxima. CHECK GROUND CIRCUIT STATUS (VOLTAGE DROP TEST) 

While cranking the engine Starter case - B- terminal Less 

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