9-119
P0507
EAS20589
P0507
EAS33069
TROUBLESHOOTING
Item
Engine idling speed is too high.
Fail-safe system
• Able to start engine
• Able to drive vehicle
Procedure
If more than one DTC is detected at the same time, perform troubleshooting of DTC listed below first.
• P0560, P0638, P0500
1. Intake system abnormal (intake of secondary air supply).
• Check the throttle bodies.
Refer to “THROTTLE BODY” on page 7-5.
2. ISC learning overcompensated.
• Check the intake system and clean the throttle bodies.
Refer to “CHECKING AND CLEANING THE THROTTLE BODIES” on page 7-10.
Is check result OK?
YES
Go to step 2.
NO
a. Replace the throttle bodies.
b. Start the engine and let it idle for approximately 5 minutes.
c. Push the ON/start switch, and then check the condition of the DTC using the malfunction mode
of the YDT.
Is it in the “Recovered” condition?
YES
Go to step 4, and complete the service.
NO
Go to step 2.
Is check result OK?
YES
Go to step 3.
NO
a. Execute the diagnostic mode. (Code No. 67)
b. Execute clearing of the ISC learning data.
c. Start the engine and let it idle for approximately 5 minutes.
d. Push the ON/start switch, and then check the condition of the DTC using the malfunction mode
of the YDT.
Is it in the “Recovered” condition?
YES
Go to step 4, and complete the service.
NO
Go to step 3.
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