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Circuit/System Testing

    CAUTION: Refer to SIR Service Precautions .
  1. Ignition OFF. Disconnect the harness connectors at the SDM.
  2. Verify that there is less than 3.0 Ω between the ground circuit terminal 16 X2 and ground
    • If greater than the specified value, test the ground circuit for an open/high resistance.
  3. Ignition ON, verify a test lamp illuminates between the ignition 1 voltage circuit terminal 29 X2 and ground
    • If test lamp did not illuminate, test the ignition 1 voltage circuit for a short to ground or an open/high resistance.
  4. If all the circuits test normal, replace the SDM.
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