AIR35 - Visually Inspect Pair Valve System (Externally)

^ Key OFF.

^ Visually inspect PAIR hoses, tubes, control valve and check valve for leaks or external signs of damage (from back flow of hot exhaust gases).

^ Are hoses and valves intact?

YES -- Go to AIR36. AIR36 - Visually Inspect Hoses at Valve (Internally)

NO -- Service or replace any damaged parts including PAIR valve. Verify drive concern.