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Home >> Suzuki >> 2009 >> XL7 Premium, AWD >> Repair and Diagnosis >> Brakes >> Traction Control >> Brakes - Abs >> Diagnostic Information and Procedures >> DTC C0186: Lateral Accelerometer Circuit >> Circuit/System Testing
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Circuit/System Testing

  1. Ignition OFF, disconnect the harness connector at the Yaw Rate/Lateral Accelerometer sensor.
  2. Ignition OFF for 60 seconds, test for less than 10 Ω between the low reference circuit terminal 5 and ground.
    • If greater than the specified range, test the low reference circuit for an open/high resistance. If the circuit tests normal, replace the EBCM.
  3. Ignition ON, verify a test lamp illuminates between the 12 volt reference circuit terminal 3 and ground.
    • If the test lamp does not illuminate, test the 12 volt reference circuit for a short to ground or an open/high resistance. If the circuit tests normal, replace the EBCM.
  4. Ignition OFF, disconnect the harness connector at the steering angle sensor.
  5. Ignition ON, test for less than 1 volt between the following serial data circuit terminal listed below and ground.
    • CAN Bus High Serial Data circuit terminal 2
    • CAN Bus Low Serial Data circuit terminal 1
    • If greater than the specified range, test the serial data circuit for a short to voltage.
  6. Ignition OFF, test for infinite resistance between the serial data circuit terminal listed below and ground.
    • CAN Bus High Serial Data circuit terminal 2
    • CAN Bus Low Serial Data circuit terminal 1
    • If less than the specified value, test the serial data circuit for a short to ground.
  7. Test for less than 2 Ω between the serial data circuit terminals listed below.
    • CAN Bus High Serial Data circuit terminal 2 at the steering position sensor harness connector and terminal 2 at the yaw rate sensor harness connector.
    • CAN Bus Low Serial Data circuit terminal 5 at the steering position sensor harness connector and terminal 1 at the yaw rate sensor harness connector.
    • If not the specified value, test the communication circuits for a short together.
  8. If all circuits test normal, replace the yaw/lat sensor. If the DTC resets, replace the EBCM.
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