(a) Connect a pressure gauge to the air pressure sensor as shown in the illustration.
(c) Turn the ignition switch to ON and turn the tester ON.
(d) Select the following menu items: DIAGNOSIS / ENHANCED OBD ll / DATA LIST / AIR PMP PRS(A).
(e) Check that the pressure displayed on the tester fluctuates when applying the pressure to the pressure sensor with the pressure gauge.
The tester displays the air pump pressure (AIR PMP PRS(A)) as absolute pressure.
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