DTC P0505: Idle Control System Malfunction: Procedure

WARNING: This page is about a different variant/trim than selected.

CHECK ANY OTHER DTCS OUTPUT (IN ADDITION TO DTC P0505)

Connect the Techstream to the DLC3.
Turn the ignition switch on (IG).
Turn the tester on.
Select the following menu items: Powertrain / Engine and ECT / Trouble Code.

Read the DTCs.

Result

Display (DTC Output)	Proceed to
P0505	A
P0505 and other DTCs	B

HINT:

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

B → See step 6

A: Go to next step

CHECK PCV HOSE CONNECTIONS
OK

PCV hose is connected correctly and is not damaged.

NG → REPAIR OR REPLACE PCV HOSE

OK: Go to next step
CHECK INTAKE SYSTEM
1. Check the intake system for vacuum leakage.
  OK
  
  No leakage from intake system.
NG → REPAIR OR REPLACE INTAKE SYSTEM

OK: Go to next step
CHECK THROTTLE VALVE
1. Check the throttle valve condition.
  OK
  
  No foreign objects between the throttle valve and housing.
NG → See step 7

OK → See step 5
REPLACE ECM. Refer to COMPONENTS
GO TO DTC CHART. Refer to DIAGNOSTIC TROUBLE CODE CHART
REPLACE THROTTLE BODY. Refer to COMPONENTS