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Home >> Isuzu >> 2008 >> i-290 Standard >> Repair and Diagnosis >> Brakes >> Anti-Lock Brake System, Traction Control System & Stability Control System >> Diagnostic Information and Procedures >> DTC C0110 >> Circuit/System Testing

Circuit/System Testing

  1. With the ignition OFF, disconnect the main EBCM harness connector (C2) an the small 4-way EBCM harness connector (C1). At both EBCM harness connectors, test for 12 volts on the battery positive voltage circuits.
    • If the voltage is below 10 volts, repair open or short to ground on the battery positive voltage circuit.
  2. Connect one end of a test lamp to battery positive voltage. At the EBCM connector, touch the other end of the test lamp to each of the three ground circuits. The test lamp should illuminate.
    • If the test lamp does not illuminate when touched to each ground circuit, repair open in the suspected ground circuit.
  3. Remove the two small rubber caps that cover the ABS pump motor connections to the EBCM. Connect a test lamp between the two terminals located under the rubber plugs. Turn the ignition ON. Use the scan tool to command the ABS pump motor ON.
    • If the test lamp illuminates, replace the hydraulic brake booster.
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