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Home >> Lexus >> 2000 >> SC 400 >> Repair and Diagnosis >> Accessories & Equipment >> Cruise Control Systems >> Diagnostic Tests >> DTC P1566 Or 54: Input Signal Circuit >> Notes

DTC P1566 Or 54: Input Signal Circuit: Notes

NOTE: This test applies to GS300 and GS400 only. On LS400, SC300 and SC400, check stoplight switch and cruise control switch input voltages. See ECM PIN VOLTAGE TESTS .
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