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Home >> Lexus >> 2001 >> LS 430 V8-4.3L (3UZ-FE) >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Relays and Modules - Computers and Control Systems >> Body Control Module >> Testing and Inspection >> Component Tests and General Diagnostics >> Body No. 2 Control System >> Turn Signal Light Circuit
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Turn Signal Light Circuit

CIRCUIT DESCRIPTION

Receiving the signal of the turn signal switch from the Driver side J/B ECU, the Drier side J/B ECU makes the turn signal light come on.

Drive Side J/B ECU activates the flasher relay while the theft deterrent system gives the warning and lights the turn signal light and the hazard warning light.

Wiring Diagram:






Steps 1 - 3:




INSPECTION PROCEDURE

HINT: In case of using the LEXUS hand-held tester, start the inspection from step 1 and in case of not using the LEXUS hand-held tester, start from step 2.
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