– 98 –– +ELECSIGNAL SYSTEMC0NTINUITY4.Diode Remove the diode from the coupler. Connect the pocket tester (Ω × 1) to thediode terminals as shown. Check the diode for continuity as follows.*CORRECTTester (+) lead →Blue/Black terminal 1Tester (–) lead →White/Blue terminal 2ContinuityTester (+) lead →White/Blue terminal 2Tester (–) lead →Blue/Black terminal 1NocontinuityNOTE:When you switch the tester’s positive andnegative probes, the readings in the left chartwill be reversed.INCORRECTReplace the diode.GOODCONDITION5.Thermo unit Remove the thermo unit from thecrankcase. Connect the pocket tester (Ω × 100) to thethermo unit 1. Immerse the thermo unit in engine oil 2. Measure the resistance.Thermo unit resistance:150 °C (302 °F): 307 ~ 339 Ω170 °C (338 °F): 209 ~ 231 ΩWARNINGHandle the thermo unit with special care.Never subject it to a strong shock or allowit to be dropped. Should it be dropped, itmust be replaced.T R. .Thermo unit:20 Nm (2.0 m • kg, 14 ft • lb)Replace the CDI unit.BAD CONDITIONReplace the thermo unit.