LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 1999 >> RX 300 AWD >> Repair and Diagnosis >> Body & Frame >> Body, Cab Control Systems >> Body Control Systems >> Circuit Tests >> Wireless Door Lock Tuner Circuit

Wireless Door Lock Tuner Circuit

  1. Using scan tool, check for DTC 42. If DTC 42 is not retrieved, go to next step. If DTC 42 is retrieved, check for faults in Blue wire between wireless door lock tuner and body control ECU. See WIRING DIAGRAMS . Repair or replace as necessary.
  2. Check circuits for faults between wireless door lock tuner and body control ECU. See WIRING DIAGRAMS . Repair or replace circuits as necessary. If circuits are okay, go to next step.
  3. Replace original wireless door lock tuner with known-good unit and ensure it recovers normally. If tuner recovers normally, original wireless door lock tuner failed. If tuner does not recover normally, go to next test listed in appropriate SYMPTOM DIAGNOSIS table under TROUBLE SHOOTING .
scientia non olet · About LEMON Manuals