Civic LX Sedan L4-1668cc 1.7L SOHC MFI (2001)
9. Troubleshoot the DTC(s) in the order indicated using the shown charts.
If a faulty control unit is suspected, substitute it with a known good part and recheck for DTCs.
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If the DTC(s) is still present, go to the next step instead for the DTC.
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If the DTC(s) is no longer present, replace the original part.
Note: Before replacing a Faulty ECM/PCM make sure it has the latest software revision. Update if necessary before swapping or replacing.
Made 2 Test
1. From Mode 1, disconnect the special tool from the multiplex inspection connector for 5 to 10 seconds, and then reconnect it.
2. The spotlight and ceiling light should come on for 2 seconds, go out, then blink twice, 0.2 seconds each time. The system is now in mode 2.
