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Malfunction Indicator Light (MIL)

On Accord V6, Civic, CR-V and Prelude, Diagnostic Trouble Codes (DTCs) can also be accessed by using MIL. Turn ignition switch to OFF position. On Accord V6, connect SCS Service Connector DLC (07WAZ-002010A) to 16-pin Data Link Connector (DLC) located under instrument panel, near driver-side left kick panel. On Civic, CR-V and Prelude, connect SCS Service Connector (07PAZ-0010100) to 2-pin service check connector. On Civic, service check connector is located under passenger-side of instrument panel. See Fig 2 . On CR-V, service check connector is located behind right side of center console. On Prelude, service check connector is located behind access cover on right side of center console.

On all models, turn ignition switch to ON position. Diagnostic Trouble Codes (DTCs) will be indicated by a series of long and short flashes on MIL. The number of long flashes indicate the number in the tens column. The number of short flashes indicate the number in the ones column. For example, 4 long flashes followed by 3 short flashes would indicate DTC 43. See DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION  and proceed to appropriate DTC testing in appropriate SELF-DIAGNOSTICS article.

Fig 1: Identifying 16-Pin Data Link Connector (Accord Shown; Other Models Are Similar)
G99C08686Courtesy of AMERICAN HONDA MOTOR CO., INC.
Fig 2: Identifying 2-Pin Service Check Connector (Civic Shown; Other Models Are Similar)
G95J33273Courtesy of AMERICAN HONDA MOTOR CO., INC.