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Home >> Buick >> 2012 >> Regal Base >> Repair and Diagnosis >> Accessories & Equipment >> Anti-Theft Systems >> Power Door Lock System And Release Systems >> Diagnostic Information and Procedures >> DTC B3930 >> Component Testing

Component Testing

Relay Test

  1. Ignition OFF, disconnect the KR113 child security lock disable relay.
  2. Test for 60-180 Ω between terminals 1 and 2.
    • If the not within the specified range, replace the KR113 child security lock disable relay.
  3. Test for infinite resistance between the following terminals:
    • 3 and 2
    • 3 and 5
    • 3 and 1
    • 1 and 5
    • If not the specified value, replace the KR113 child security lock disable relay.
  4. Install a 5 A fused jumper wire between relay terminal 2 and 12 V. Install a jumper wire between relay terminal 1 and ground. Test for less than 2 Ω between terminals 3 and 5.
    • If greater than the specified range, replace the KR113 child security lock disable relay.