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Home >> Suzuki >> 2009 >> XL7 Premium, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 73 (Charging System) >> Diagnostic Information and Procedures >> DTC B1516 >> Circuit/System Testing >> B1516 08
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B1516 08

WARNING: This page is about a different car, the 2008 Suzuki XL7. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, disconnect the harness connector from the battery current sensor.
  2. Probe the low reference circuit terminal B with a test lamp that is connected to B+. Verify that the test lamp illuminates.
    • If the test lamp does not illuminate, test the low reference circuit for an open/high resistance. If the circuit tests normal, replace the BCM.
  3. Ignition ON, test for 4.8-5.4 volts between the battery current sensor supply voltage circuit terminal A and ground.
    • If less than the specified range, test the supply voltage circuit for a short to ground or an open/high resistance. If the circuit tests normal, replace the BCM.
    • If greater than specified range, test the supply voltage circuit for a short to voltage. If the circuit tests normal, replace the BCM.
  4. Test for 4.8-5.2 volts between the battery current sensor signal circuit terminal C and ground.
    • If less than the specified range, test the signal circuit for a short to ground or an open/high resistance. If the circuit tests normal, replace the BCM.
    • If greater than specified range, test the signal circuit for a short to voltage. If the circuit tests normal, replace the BCM.
  5. If all circuits test normal, replace the battery current sensor.
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