| Vacuum switching valve | Standard Resistance | Tester Connection | Condition | Specified Condition |
| 1 - 2 | 20°C (68°F) | 37 to 44 Ω | ||
| 1 - Valve body | Always | 10 kΩ or higher | ||
| 2 - Valve body |
| Compression spring | Exhaust manifold converter sub-assembly (TWC: Front Catalyst) x Front exhaust pipe assembly (TWC: Rear Catalyst) | Minimum length: 41.5 mm (1.63 in.) |
| Compression spring | Front exhaust pipe assembly (TWC: Rear Catalyst) x Center exhaust pipe assembly | Minimum length: 38.5 mm (1.52 in.) |