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Home >> Toyota >> 2003 >> Sienna LE >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Self Diagnostics >> Diagnostic Tests >> DTC P0505: Idle Control System Malfunction >> Diagnosis & Repair

Diagnosis & Repair

NOTE: Using Toyota hand-held tester or scan tool, read FREEZE FRAME data. Freeze frame data records engine conditions when malfunction is detected.

For circuit wiring diagram, diagnosis and repair procedure, see Fig 1-Fig 3 .

For access to, or replacement of ECM, Engine Control Module (ECM) is located behind glove box. See Figure. For ECM connector view, see Figure. For testing of systems or components, see BASIC DIAGNOSTIC PROCEDURES - V6 & V8 article or SYSTEM & COMPONENT TESTING - V6 & V8 article. For adjustments, see ON-VEHICLE ADJUSTMENTS - V6 & V8 article. For removal and installation of components, see REMOVAL & INSTALLATION - V6 & V8 article.

Fig 1: DTC P0505 Diagnostic Procedure (Step 1)
G00241807Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 2: DTC P0505 Diagnostic Procedure (Steps 2-4)
G00241808Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 3: DTC P0505 Diagnostic Procedure (Steps 5-7)
G00241809Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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