Component Testing

WARNING: This page is about a different car, the 2019 Buick Cascada, 2018 Buick Cascada, and 2017 Buick Cascada. However, it is still accessible from the selected car via links, so may be relevant.

Ignition OFF, disconnect the harness connector at the B55 Hood Ajar Switch.
Test for 2738 - 3350 Ω between the signal terminal A and the signal terminal B with the hood latch in the CLOSED position.
- If not between 2738 - 3350 Ω
  Replace the B55 Hood Ajar Switch.
- Go to next step: If between 2738 - 3350 Ω
Test for 658 - 806 Ω between the signal terminal A and the ground terminal C with the hood latch in the CLOSED position.
- If not between 658 - 806 Ω
  Replace the B55 Hood Ajar Switch.
- Go to next step: If between 658 - 806 Ω
Test for 2080 - 2545 Ω between the signal terminal B and the ground terminal C with the hood latch in the CLOSED position.
- If not between 2080 - 2545 Ω
  Replace the B55 Hood Ajar Switch.
- Go to next step: If between 2080 - 2545 Ω
Test for 2738 - 3350 Ω between the signal terminal A and the signal terminal B with the hood latch in the OPEN position.
- If not between 2738 - 3350 Ω
  Replace the B55 Hood Ajar Switch.
- Go to next step: If between 2738 - 3350 Ω
Test for 2080 - 2545 Ω between the signal terminal A and the ground terminal C with the hood latch in the OPEN position.
- If not between 2080 - 2545 Ω
  Replace the B55 Hood Ajar Switch.
- Go to next step: If between 2080 - 2545 Ω
Test for 658 - 806 Ω between the signal terminal B and the ground terminal C with the hood latch in the OPEN position.
- If not between 658 - 806 Ω
  Replace the B55 Hood Ajar Switch.
- Go to next step: If between 658 - 806 Ω
All OK.