P0506
DTC P0506: Idle Air Control System Malfunction / RPM Lower than Expected / RPM Higher than ExpectedWiring Diagram:
System / Wiring Diagram
DTC Detecting Condition and Trouble Area
DTC Confirmation Procedure
NOTE: Check to make sure that the following conditions are satisfied when using this "DTC Confirmation Procedure".
- Intake air temp.: Between -10 degrees C and 70 degrees C (14 degrees F and 158 degrees F)
- Altitude (barometric pressure): 2500 m, 8202 ft or less (560 mmHg, 75 kPa or more)
- Transmission gear shift lever is shifted in "Neutral" for M/T (in "P" position for A/T)
- Electric load (lighting, heater blower, rear defogger, etc.) and A/C are turned OFF.
1. With ignition switch turned OFF, connect scan tool.
2. Turn ON ignition switch and clear DTC using scan tool.
3. Start engine and warm up to normal operating temperature (80 degrees C - 100 degrees C, 176 degrees F - 212 degrees F).
4. Run engine at idle speed (600 - 1000 r/min.) for 5 min. or more.
5. Check DTC and pending DTC.
Step 1 - 7:
Step 8 - 10:
Step 10 (Continued) - 12:
DTC Troubleshooting