Thread: 89 supra. lots of problems.. HELP!!
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Old 12-15-2006, 02:28 AM   #10
burton51m
Lexus & 550's
 
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51 Switch Signal Diagnosis
  • No "IDL" signal, "NSW" signal or "A/C" signal to ECU, during diagnosis check.
Trouble Area
  • A/C switch circuit
  • A/C switch
  • A/C amplifier
  • Throttle position sensor circuit
  • Throttle position sensor
  • ECU
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