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Home >> Chevrolet >> 2009 >> HHR SS, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 273 (Antilock Brake System With Traction Control System & Stability Control System) >> Diagnostic Information and Procedures >> DTC C0196 >> Circuit/System Testing
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Circuit/System Testing

WARNING: This page is about a different car, the 2010 Chevrolet HHR. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, disconnect the harness connector at the yaw rate/lat sensor.
  2. Ignition OFF for 60 seconds, test for less than 5 ohms 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.
  3. Ignition ON, test for between the 12 volt reference circuit terminal 3 and ground.
    • If not within the specified range, test the ignition voltage circuit for a short to ground or open/high resistance.
  4. Ignition OFF, disconnect the harness connector at the EBCM.
  5. Ignition ON, test for less than 1 volt between the following terminal listed below and ground.
    • CAN Bus High serial data circuit terminal 18
    • CAN Bus Low serial data circuit terminal 19
    • If greater than the specified value, test the appropriate serial data circuit for a short to voltage.
  6. Ignition OFF, test for infinite resistance between the following terminal listed below and ground.
    • CAN Bus High serial data circuit terminal 18
    • CAN Bus Low serial data circuit terminal 19
    • If not the specified value, test the appropriate serial data circuit for a short to ground.
  7. Test for less than 2 ohms between the appropriate serial data circuit terminals listed below.
    • CAN Bus High serial data circuit terminal 18 at the EBCM harness connector and terminal 2 at the yaw/lat sensor harness connector.
    • CAN Bus Low serial data circuit terminal 19 at the EBCM harness connector and terminal 1 at the yaw/lat sensor harness connector.
    • If greater than the specified range, test the appropriate serial data circuit for an open/high resistance.
  8. Test for infinite resistance between the CAN Bus High serial data circuit terminal 18 and the CAN Bus Low serial data circuit terminal 19.
    • If not the specified value, repair the serial data circuits for a short together.
  9. If all circuits test normal, replace the yaw rate/lat sensor. If the DTC resets, replace the EBCM.
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