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Home >> Pontiac >> 2010 >> Vibe Base, 1.8 8, Standard >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Keyless Entry System And Remote Functions >> Diagnostic Information and Procedures >> Keyless Entry System Inoperative >> Circuit/System Testing
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Circuit/System Testing

  1. Verify that the transmitter is the correct transmitter for the vehicle.
    • If not the correct transmitter, replace the transmitter.
  2. Place the transmitter on the test pad of the J 43241  and press each transmitter button one at a time. The tester should sound a tone and illuminate a green light with each button press.
    • If one or more buttons does not sound the tone and illuminate the green light, replace the transmitter battery and retest with the J 43241  . If the condition continues after battery replacement, replace the transmitter.
  3. Ignition OFF, disconnect the harness connector at the RCDLR.
  4. Test for less than 1Ω between the ground circuit terminal 1 and ground.
    • If greater than the specified range, test the ground circuit for an open/high resistance.
  5. Verify that a test lamp illuminates between the B+ circuit terminal 5 and ground.
    • If the test lamp does not illuminate, test the B+ circuit for a short to ground or an open/high resistance.
  6. Disconnect the harness connector at the BCM.
  7. Ignition ON, test for less than 1V between the following circuit terminals at the BCM harness connector and ground:
    • Signal circuit terminal 16
    • Signal circuit terminal 17
    • If greater than the specified range, test the signal circuit for a short to voltage.
  8. Test for infinite resistance between the following circuit terminals at the BCM harness connector and ground:
    • Signal circuit terminal 16
    • Signal circuit terminal 17
    • If not the specified value, test the signal circuit for a short to voltage.
  9. Test for less than 2Ω between the following signal circuit terminals:
    • Terminal 16 at the BCM harness connector and terminal 2 at the RCDLR harness connector
    • Terminal 17 at the BCM harness connector and terminal 3 at the RCDLR harness connector
    • If not within the specified range, test the signal circuit for an open/high resistance.
  10. If all circuits test normal, replace the RCDLR. If the DTC resets, replace the BCM.
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