Component Tests and General Diagnostics

Fig. 22 Speed Control Unit Connector Pin Location. Civic, 1989 Prelude & Accord:

Fig. 23 Speed Control Unit Connector Pin Location. 1990-93 Accord & Prelude:

Fig. 24 Speed Control Unit Input Test Chart. 1989 Accord:

Fig. 25 Speed Control Unit Input Test Chart. 1990-93 Accord:

Fig. 26 Speed Control Unit Input Test Chart. Prelude:

Fig. 27 Speed Control Unit Input Test Chart. Civic:

1. Disconnect 13-P connector from control unit, Figs. 22 and 23.
2. Perform tests at harness pin locations, as shown in Figs. 24 through 27.
3. Replace control unit if all input tests prove positive.