DTC P0505-00: Idle Control System [11/2023 - ]: Procedure

1. Read the DTCs.

   Powertrain > Engine > Trouble Codes 

   Result

   Result	Proceed to
   DTC P0505-00 is output	A
   DTC P0505-00 and other DTCs are output	B

   HINT: 

   If any DTCs other than P0505-00 are output, troubleshoot those DTCs first.

Result: 

B 

GO TO DTC CHART. Refer to  DIAGNOSTIC TROUBLE CODE CHART [11/2023 - ] 

Result: 

A 

See step  2

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Check the PCV hose connections.
2. Check the PCV valve.

   Refer to INSPECTION [10/2022 - ]

   OK

   PCV hose and PCV valve are connected correctly and are not damaged.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE PCV VALVE OR HOSE 

Result: 

OK 

See step  3

1. Check the intake system for vacuum leaks.

   Refer to PROCEDURE - Step 1

   OK

   No leaks from the intake system.

   HINT: 

   Perform "Inspection After Repair" after repairing or replacing the intake system.

   Refer to INITIALIZATION [10/2022 - ]

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE INTAKE SYSTEM 

Result: 

OK 

See step  4

1. Check the throttle body with motor assembly condition.

   OK

   Throttle valve is not contaminated with foreign matter and moves smoothly.

   HINT: 

   Perform "Inspection After Repair" after replacing the throttle body with motor assembly.

   Refer to INITIALIZATION [10/2022 - ]

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPLACE THROTTLE BODY WITH MOTOR ASSEMBLY 

Refer to REMOVAL [10/2022 - ]

Result: 

OK 

See step  5

1. Clear the DTCs.

   Powertrain > Engine > Clear DTCs 

2. Turn the ignition switch off and wait for at least 30 seconds.

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  6

1. Drive the vehicle in accordance with the driving pattern described in Confirmation Driving Pattern.
2. Read the pending DTCs.

   Powertrain > Engine > Trouble Codes 

   Result

   Result	Proceed to
   DTCs are not output	A
   DTC P0505-00 is output	B

Result: 

A 

END 

Result: 

B 

REPLACE ECM 

Refer to REMOVAL [11/2023 - ]