Note. During this test, diagnostic trouble codes may appear on the screen. At the end of the test, clear the trouble codes using HDS.
1. Remove the engine cover.
2. Remove the shield and panel under the shield.
3. Disconnect vacuum hose A and connect vacuum pump/sensor B to it.
4. Start the engine and wait 1 minute. The vacuum pressure must exceed 93.3 kPa.
- If the vacuum pressure is correct, the test is complete.
- If vacuum pressure is out of specification range, replace vacuum pump.