S2000 L4-1997cc 2.0L DOHC (VTEC) MFI (2001)
Horn Switch: Testing and Inspection
Horn Switch Test
1. Remove the steering column upper and lower cover.
2. Disconnect the dashboard wire harness B 4P connector (A) from the cable reel (B).
3. Check for continuity between the cable reel No.2 terminal and body ground in each switch position according to the table.
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If there is continuity, the horn switch is OK.
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If there is no continuity, go to step 4.
4. Remove the driver's airbag.
5. Check for continuity between the cable reel No.2 terminal (A) and the horn switch positive terminal (B).
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If there is no continuity, replace the cable reel and check for proper operation.
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If there is continuity, replace the horn switch.