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HOMESERVICE MANUALSPONTIAC2009VIBE BASE, 2.4 0, FWD, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 25 (OBJECT DETECTION SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESSIDE OBJECT SENSOR MALFUNCTIONCIRCUIT/SYSTEM TESTING
2009 Pontiac Vibe Base, 2.4 0, FWD, Standard

Circuit/System Testing

2009 Pontiac Vibe Base, 2.4 0, FWD, StandardSECTION Circuit/System Testing
WARNING: This page is about a different car, the 2009 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.

Right Side Object Sensor Malfunction

  1. Ignition OFF, disconnect the harness connector at the right side object sensor.
  2. Test for less than 5 ohms between the ground circuit terminals listed below and ground:
    • Terminal 5
    • Terminal 6
    • If greater than the specified range, test the appropriate ground circuit for an open/high resistance.
  3. Ignition ON, verify that a test lamp illuminates between the B+ circuit terminal 2 and ground.
    • If the test lamp does not illuminate, test the B+ circuit for a short to ground or an open/high resistance.
  4. If all circuits test normal, replace the right side object sensor.

Left Side Object Sensor Malfunction

  1. Ignition OFF, disconnect the harness connector at the left side object sensor.
  2. Test for less than 5 ohms between the ground circuit terminal 5 and ground.
    • If greater than the specified range, test the ground circuit for an open/high resistance.
  3. Ignition ON, verify that a test lamp illuminates between the B+ circuit terminal 2 and ground.
    • If the test lamp does not illuminate, test the B+ circuit for a short to ground or an open/high resistance.
  4. Ignition OFF, disconnect the harness connector at the right side object sensor.
  5. Ignition ON, test for less than 1 volt between the serial data circuit terminal 4 and ground.
    • If greater than the specified range, test the serial data circuit for a short to ground.
  6. Test for infinite resistance between the serial data circuit terminal 4 and ground.
    • If not the specified value, test the serial data circuit for a short to ground.
  7. Test for less than 2 ohms between the serial data circuit terminal 4 at the left side object sensor harness connector and the serial data circuit terminal 4 at the right side object sensor harness connector.
    • If greater than the specified range, test the serial data circuit for an open/high resistance.
  8. If all circuits test normal, replace the left side object sensor.

Side Object Indicator Malfunction

  1. Ignition OFF, disconnect the X2 harness connector at the outside rearview mirror.
  2. Connect a test lamp between the control circuit terminal 4 and the low reference circuit terminal 1.
  3. Ignition ON, verify the test lamp briefly illuminates during the system self test.
    • If the test lamp does not illuminate or remains illuminated at all time, test the control circuit and the low reference circuit for a short to voltage, short to ground, or an open/high resistance. If the circuits test normal, replace the appropriate door module.
  4. If all circuits test normal, test or replace the appropriate outside rearview mirror.
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