Civic DX Coupe L4-1590cc 1.6L SOHC MFI (1999)
Horn Switch: Testing and Inspection
1. Make sure you have the anti-theft code for the radio, then write down the frequencies for the radio's preset buttons ('99 - 00 models).
2. Disconnect the battery negative cable, then disconnect the positive cable, and wait at least three minutes.
3. Disconnect the driver's airbag connector.
4. Remove the driver's dashboard lower cover.
5. Disconnect the cable reel sub-harness 3P connector from the main wire harness.
6. Check for continuity between the No.2 terminal of the cable reel sub-harness and body ground with the horn switch pressed.
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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 6.
7. Remove the driver's airbag assembly then disconnect the horn connector from the steering wheel.
