Check Switching Valve

WARNING: This page is about a different variant/trim than selected.

Check the resistance between switching valve terminals.

Fig 1: Checking Resistance Between Switching Valve Terminals 1 And 5

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Terminal No.	Standard
1 and 5	27⁺³_-2 Ω (when 20°C (68°F))
1 and 5	31±4 Ω (when 60°C (140°F))

Disconnect the drain tube from the leak check valve assembly.

Fig 2: Locating Drain Tube
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Check that air does not come out from (B) when air is blown into (A).

Fig 3: Checking Air Flow
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Connect the battery positive terminal to the terminal No. 5 and the battery negative terminal to the terminal No. 1. Check that air is discharged from (B), when supplying air to (A).

Fig 4: Checking Air Is Discharged From Leak Check Valve Assembly Port B (When Air Supplied To Port A)
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