Input Signal Circuits: Notes

1996 Lexus SC 400SECTION Notes

Use this procedure to determine whether cruise control ECU is receiving input signals from various switches and speed sensor. To perform procedure, enter diagnostic mode, then check if CRUISE indicator light responds as it should. See Figure.

NOTE: If diagnostic mode cannot be entered, perform procedure for Code 32 or 34. See CODE 32 OR 34 (CRUISE CONTROL SWITCH CIRCUIT) under CODE TESTINGΒ .
RENDER: 1.0x

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Stop DIY work and contact a certified mechanic immediately if any of the following apply:

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