Idle Control System (R18A1/R18A4)

• Component Location Index
• DTC Troubleshooting
  • DTC P0506: Idle Control System RPM Lower Than Expected
  • DTC P0507: Idle Control System RPM Higher Than Expected
  • DTC P0532: A/C Pressure Sensor Circuit Low Voltage
  • DTC P0533: A/C Pressure Sensor Circuit High Voltage
• A/C Signal Circuit Troubleshooting
• Alternator FR Signal Circuit Troubleshooting
• PSP Switch Signal Circuit Troubleshooting
• Brake Pedal Position Switch Signal Circuit Troubleshooting
• Idle Speed Inspection
• ECM/PCM Idle Learn Procedure
  • Notes
  • Procedure