Remove 1. Remove the rubber hoses (1). 2.Remove the exhaust brake solenoid valve.
Inspection 1.Perform a continuity test between terminals (1) and (2), and confirm that continuity exists. 2. Confirm that air exits from (5) when blowing your breath from (4). At this time,confirm that air does not exit from (3). 3.Confirm that an operation sound is made when providing power supply voltage to the connector. 4.While providing power supply voltage to the connector, confirm that air exits from (3) when blowing your breath from (4).At this time, confirm that air does not exit from (5).