Up Switch: Notes

Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION (US) .)
Remove the screw.

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Disconnect the up switch connector.

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Remove the column cover. (See COLUMN COVER REMOVAL/INSTALLATION .)
Verify that the continuity between up switch component terminals A and B.

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If there is any malfunction, replace the up switch. (See STEERING SHIFT SWITCH REMOVAL/INSTALLATION .)