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Turn Signal Light Circuit

NOTE: If LEXUS scan tool is available, start test from step  1. If this scan tool is not available, start test from step  2.
  1. Using scan tool, operate turn signal light in ACTIVE TEST. If turn signals do not operate, go to next step. If turn signals operate, go to next test listed in BODY NO. 2 CONTROL SYSTEM  table under TROUBLE SHOOTING .
  2. Check turn signal bulbs. Replace bulbs as necessary. If bulbs are okay, check circuits for faults between turn signal bulbs and body No. 2 ECU. See WIRING DIAGRAMS . Repair or replace as necessary. If circuits are okay, go to next test listed in BODY NO. 2 CONTROL SYSTEM  table under TROUBLE SHOOTING .