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Home >> Infiniti >> 2015 >> QX60 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 24 (Charging System (Except Hybrid)) >> DTC/Circuit Diagnosis >> B Terminal Circuit >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different car, the 2016 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.

Regarding Wiring Diagram information, refer to WIRING DIAGRAM .

  1. CHECK TERMINAL "1" CONNECTION

    1. Turn ignition switch OFF.
    2. Verify terminal "1" is clean and tight.

    Is the inspection result normal?

    YES 

    GO TO STEP 2  .

    NO 

    Repair terminal "1" connection. Confirm repair by performing complete Charging system test. using the EXP-800 or GR8-1200 NI (if available). Refer to the applicable Instruction Manual for proper testing procedures.

  2. CHECK TERMINAL "1" CIRCUIT

    Check voltage between generator connector F6 terminal 1 and ground.

    (+) (-) Voltage
    (Approx.)
    Connector Terminal
    F6 1 Ground Battery voltage

    Is the inspection result normal?

    YES 

    GO TO STEP 3  .

    NO 

    Check harness for open between generator and fusible link.

  3. CHECK TERMINAL "1" 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.
      (+) (-) Voltage
      (Approx.)
      Connector Terminal
      F6 1 Battery positive terminal Less than 0.2V

    Is the inspection result normal?

    YES 

    Terminal "1" circuit is normal. Refer to WORK FLOW (WITH EXP-800 NI OR GR8-1200 NI)  or WORK FLOW (WITHOUT EXP-800 NI OR GR8-1200 NI) .

    NO 

    Check harness between battery and generator for high resistance.