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Pinpoint Test

  1. CHECK THE BATTERY CURRENT SENSOR
    1. Inspect the battery current sensor for the following:
      • Physical damage
      • Corrosion
      • Disconnected electrical connector
      • Disconnected from battery ground cable
      • Debris between the battery current sensor and the battery ground cable

    Are any of these conditions found during inspection? 

    1. Yes: GO to  13.
    2. No: GO to 2  .
  2. CHECK THE BATTERY CURRENT SENSOR REFERENCE VOLTAGE CIRCUIT
    1. Ignition OFF.
    2. Disconnect: Battery Current Sensor.
    3. Ignition ON.
    4. Measure:
      Battery Current Sensor Ground
      G08035373
      G08035374
      C1646 Ground
      Pin Circuit Measurement / Action Pin Circuit
      1 SDC57 (BU/OG)
      G08035375
      		 - Ground

    Is the voltage between 4.7 and 5.1 volts? 

    1. Yes: GO to  6.
    2. No: If the voltage is less than 4.7 volts, GO to  4.

      If the voltage is greater than 5.1 volts, GO to 3  .

  3. CHECK THE BATTERY CURRENT SENSOR REFERENCE VOLTAGE CIRCUIT FOR A SHORT TO VOLTAGE
    1. Ignition OFF.
    2. Disconnect: BCM C2280F.
    3. Remove the RUN/START relay.
    4. Connect a fused jumper wire:
      BJB BJB
      G08028304
      G08028304
      RUN/START relay RUN/START relay
      Pin Circuit Measurement / Action Pin Circuit
      3 -
      G08035378
      		 5 -
    5. Ignition ON.
    6. Measure:
      Battery Current Sensor Ground
      G08035379
      G08035380
      C1646 Ground
      Pin Circuit Measurement / Action Pin Circuit
      1 SDC57 (BU/OG)
      G08035381
      		 - Ground

    Is any voltage present? 

    1. Yes: REPAIR the circuit.
    2. No: REMOVE the fused jumper wire. INSTALL the RUN/START relay and GO to  13.
  4. CHECK THE BATTERY CURRENT SENSOR REFERENCE VOLTAGE CIRCUIT FOR A SHORT TO GROUND
    1. Ignition OFF.
    2. Disconnect: BCM C2280F.
    3. Measure:
      Battery Current Sensor Ground
      G08035382
      G08035383
      C1646 Ground
      Pin Circuit Measurement / Action Pin Circuit
      1 SDC57 (BU/OG)
      G08035384
      		 - Ground

    Is the resistance greater than 10, 000 ohms? 

    1. Yes: GO to 5  .
    2. No: REPAIR the circuit.
  5. CHECK THE BATTERY CURRENT SENSOR REFERENCE VOLTAGE CIRCUIT FOR AN OPEN
    1. Measure:
      Battery Current Sensor BCM
      G08035385
      G08035386
      C1646 C2280F
      Pin Circuit Measurement / Action Pin Circuit
      1 SDC57 (BU/OG)
      G08035387
      		 20 SDC57 (BU/OG)

    Is the resistance less than 3 ohms? 

    1. Yes: GO to  13.
    2. No: REPAIR the circuit.
  6. CHECK THE BATTERY CURRENT SENSOR SIGNAL RETURN CIRCUIT
    1. Measure:
      Battery Current Sensor Battery Current Sensor
      G08035388
      G08035389
      C1646 C1646
      Pin Circuit Measurement / Action Pin Circuit
      1 SDC57 (BU/OG)
      G08035390
      		 2 RDC59 (GY/BN)

    Is the voltage between 4.7 and 5.1 volts? 

    1. Yes: GO to  9.
    2. No: GO to 7  .
  7. CHECK THE BATTERY CURRENT SENSOR SIGNAL RETURN CIRCUIT FOR VOLTAGE
    1. Measure:
      Battery Current Sensor Ground
      G08035391
      G08035392
      C1646 Ground
      Pin Circuit Measurement / Action Pin Circuit
      2 RDC59 (GY/BN)
      G08035393
      		 - Ground

    Is any voltage present? 

    1. Yes: If the voltage is 5.1 volts or less, REPAIR signal return circuit for a short to reference voltage circuit.

      If the voltage is greater than 5.1 volts, REPAIR signal return circuit for a short to voltage.

    2. No: GO to 8  .
  8. CHECK THE BATTERY CURRENT SENSOR SIGNAL RETURN CIRCUIT FOR AN OPEN
    1. Ignition OFF.
    2. Disconnect: BCM C2280F.
    3. Measure:
      Battery Current Sensor BCM
      G08035394
      G08035395
      C1646 C2280F
      Pin Circuit Measurement / Action Pin Circuit
      2 RDC59 (GY/BN)
      G08035396
      		 14 RDC59 (GY/BN)

    Is the resistance less than 3 ohms? 

    1. Yes: GO to  13.
    2. No: REPAIR the circuit.
  9. CHECK THE BATTERY CURRENT SENSOR FEEDBACK CIRCUIT FOR A SHORT TO VOLTAGE
    1. Ignition OFF.
    2. Disconnect: BCM C2280F.
    3. Remove the RUN/START relay.
    4. Connect a fused jumper wire:
      BJB BJB
      G08028304
      G08028304
      RUN/START relay RUN/START relay
      Pin Circuit Measurement / Action Pin Circuit
      3 -
      G08035399
      		 5 -
    5. Ignition ON.
    6. Measure:
      Battery Current Sensor Ground
      G08035400
      G08035401
      C1646 Ground
      Pin Circuit Measurement / Action Pin Circuit
      3 LDC59 (BU/WH)
      G08035402
      		 - Ground

    Is any voltage present? 

    1. Yes: REPAIR the circuit.
    2. No: REMOVE the fused jumper wire. INSTALL the RUN/START relay and GO to 10  .
  10. CHECK THE BATTERY CURRENT SENSOR FEEDBACK CIRCUIT FOR A SHORT TO GROUND
    1. Ignition OFF.
    2. Measure:
      Battery Current Sensor Ground
      G08035403
      G08035404
      C1646 Ground
      Pin Circuit Measurement / Action Pin Circuit
      3 LDC59 (BU/WH)
      G08035405
      		 - Ground

    Is the resistance greater than 10, 000 ohms? 

    1. Yes: GO to 11  .
    2. No: REPAIR the circuit.
  11. CHECK THE BATTERY CURRENT SENSOR FEEDBACK CIRCUIT FOR AN OPEN
    1. Measure:
      Battery Current Sensor BCM
      G08035406
      G08035407
      C1646 C2280F
      Pin Circuit Measurement / Action Pin Circuit
      3 LDC59 (BU/WH)
      G08035408
      		 21 LDC59 (BU/WH)

    Is the resistance less than 3 ohms? 

    1. Yes: GO to 12  .
    2. No: REPAIR the circuit.
  12. CHECK THE BATTERY CURRENT SENSOR FEEDBACK CIRCUIT FOR A SHORT TO THE SIGNAL RETURN OR REFERENCE CIRCUIT
    1. Measure:
      Battery Current Sensor Battery Current Sensor
      G08035409
      G08035410
      C1646 C1646
      Pin Circuit Measurement / Action Pin Circuit
      3 LDC59 (BU/WH)
      G08035411
      		 2 RDC59 (GY/BN)
      3 LDC59 (BU/WH)
      G08035412
      		 1 SDC57 (BU/OG)

    Are the resistances greater than 10, 000 ohms? 

    1. Yes: GO to 13  .
    2. No: REPAIR the affected circuit.
  13. CHECK THE BATTERY CURRENT SENSOR CONNECTION
    1. Ignition OFF.
    2. Disconnect: Battery Current Sensor (if not previously disconnected).
    3. Inspect the battery current sensor connector for:
      • corrosion
      • pushed-out terminals
      • damaged terminals
    4. Connect and correctly seat the battery current sensor connector.
    5. Connect: BCM C2280F.
    6. Ignition ON.
    7. Clear the DTCs  .
    8. Using a scan tool, perform BCM self-test.

    Did the DTC return? 

    1. Yes: REPAIR as necessary or INSTALL a new battery cable assembly:

      REFER to BATTERY CABLES - 2.0L GTDI

      REFER to BATTERY CABLES - 3.5L TI-VCT

      CLEAR the DTCs  . REPEAT the self-test. If the DTC returns, GO to 14  .

    2. No: The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.
  14. CHECK FOR CORRECT BCM OPERATION
    1. Ignition OFF.
    2. Disconnect and inspect all BCM connectors.
    3. Repair:
      • corrosion (install new connector or terminals - clean module pins)
      • damaged or bent pins - install new terminals/pins
      • pushed-out pins - install new pins as necessary
    4. Reconnect the BCM connectors. Make sure they seat and latch correctly.
    5. Operate the system and determine if the concern is still present.

    Is the concern still present? 

    1. Yes: CHECK OASIS  for any applicable TSBs  . If a TSB exists for this concern, DISCONTINUE this test and FOLLOW the TSB instructions. If no TSBs  address this concern, INSTALL a new BCM. REFER to BODY CONTROL MODULE (BCM) - WITH INTELLIGENT ACCESS (IA) , or BODY CONTROL MODULE (BCM) - WITHOUT INTELLIGENT ACCESS (IA) .
    2. No: The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.
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