Post on 25-Oct-2021
transcript
Diagnosis & Repair
Using Toyota hand-held tester or scan tool, read FREEZE FRAME data. Freeze frame data records engine conditions when malfunction is detected. When the ENGINE RUN TIME in the freeze frame data is less than 200 seconds, carefully check the vapor pressure sensor.
For EVAP system component locations, see Fig. 86 . For EVAP emission control system wiring diagram, see Fig. 87 . For diagnosis and repair procedure using Toyota hand-held tester, see Fig. 88 -Fig. 108 . For diagnosis and repair procedure using OBD II scan tool, see Fig. 109 -Fig. 116 .
When access to, or replacement of ECM is necessary, Engine Control Module (ECM) is located behind glove box. See Fig. 8 . For ECM connector terminal view, see Fig. 10 . For vacuum or EVAP hose routing, see VACUUM DIAGRAMS article. For testing of systems or components, see BASIC DIAGNOSTIC PROCEDURES - 4-CYLINDER article or SYSTEM & COMPONENT TESTING - 4-CYLINDER article. For adjustments, see ON-VEHICLE ADJUSTMENTS - 4-CYLINDER article. For removal and installation of components, see REMOVAL, OVERHAUL & INSTALLATION - 4-CYLINDER article.
Page 1 of 34ENGINE CONTROL SYSTEM SELF DIAGNOSTICS - 4-CYLINDER -2003 Toyota Ta...
12/8/2011http://www.ondemand5.com/mric/common/asp/printart.aspx
Page 2 of 34ENGINE CONTROL SYSTEM SELF DIAGNOSTICS - 4-CYLINDER -2003 Toyota Ta...
12/8/2011
Fig. 86: Locating Emission System Components Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
Fig. 87: EVAP Emission Control System Wiring Diagram Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
Page 3 of 34ENGINE CONTROL SYSTEM SELF DIAGNOSTICS - 4-CYLINDER -2003 Toyota Ta...
12/8/2011
Fig. 88: DTC P0441 & DTC P0446 Diagnostic Procedure Using Toyota Hand-Held Tester (Steps 1-3) Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
Page 4 of 34ENGINE CONTROL SYSTEM SELF DIAGNOSTICS - 4-CYLINDER -2003 Toyota Ta...
12/8/2011
Fig. 89: DTC P0441 & DTC P0446 Diagnostic Procedure Using Toyota Hand-Held Tester (Steps 4-6) Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
Page 5 of 34ENGINE CONTROL SYSTEM SELF DIAGNOSTICS - 4-CYLINDER -2003 Toyota Ta...
12/8/2011
Fig. 90: DTC P0441 & DTC P0446 Diagnostic Procedure Using Toyota Hand-Held Tester (Steps 7-9) Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
Page 6 of 34ENGINE CONTROL SYSTEM SELF DIAGNOSTICS - 4-CYLINDER -2003 Toyota Ta...
12/8/2011
Fig. 91: DTC P0441 & DTC P0446 Diagnostic Procedure Using Toyota Hand-Held Tester (Steps
Page 7 of 34ENGINE CONTROL SYSTEM SELF DIAGNOSTICS - 4-CYLINDER -2003 Toyota Ta...
12/8/2011
10-12) Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
Page 8 of 34ENGINE CONTROL SYSTEM SELF DIAGNOSTICS - 4-CYLINDER -2003 Toyota Ta...
12/8/2011
Fig. 92: DTC P0441 & DTC P0446 Diagnostic Procedure Using Toyota Hand-Held Tester (Steps 13-15) Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
Fig. 93: DTC P0441 & DTC P0446 Diagnostic Procedure Using Toyota Hand-Held Tester (Steps 16-18) Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
Page 9 of 34ENGINE CONTROL SYSTEM SELF DIAGNOSTICS - 4-CYLINDER -2003 Toyota Ta...
12/8/2011
Fig. 94: DTC P0441 & DTC P0446 Diagnostic Procedure Using Toyota Hand-Held Tester (Steps 19-20) Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
Page 10 of 34ENGINE CONTROL SYSTEM SELF DIAGNOSTICS - 4-CYLINDER -2003 Toyota ...
12/8/2011
Fig. 95: DTC P0441 & DTC P0446 Diagnostic Procedure Using Toyota Hand-Held Tester (Steps 21-22) Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
Page 11 of 34ENGINE CONTROL SYSTEM SELF DIAGNOSTICS - 4-CYLINDER -2003 Toyota ...
12/8/2011
Fig. 96: DTC P0441 & DTC P0446 Diagnostic Procedure Using Toyota Hand-Held Tester (Steps 23-24) Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
Page 12 of 34ENGINE CONTROL SYSTEM SELF DIAGNOSTICS - 4-CYLINDER -2003 Toyota ...
12/8/2011
Fig. 97: DTC P0441 & DTC P0446 Diagnostic Procedure Using Toyota Hand-Held Tester (Steps 25-27) Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
Page 13 of 34ENGINE CONTROL SYSTEM SELF DIAGNOSTICS - 4-CYLINDER -2003 Toyota ...
12/8/2011
Fig. 98: DTC P0441 & DTC P0446 Diagnostic Procedure Using Toyota Hand-Held Tester (Steps
Page 14 of 34ENGINE CONTROL SYSTEM SELF DIAGNOSTICS - 4-CYLINDER -2003 Toyota ...
12/8/2011http://www.ondemand5.com/mric/common/asp/printart.aspx
28-30) Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
Fig. 99: DTC P0441 & DTC P0446 Diagnostic Procedure Using Toyota Hand-Held Tester (Steps
Page 15 of 34ENGINE CONTROL SYSTEM SELF DIAGNOSTICS - 4-CYLINDER -2003 Toyota ...
12/8/2011
31-33) Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
Fig. 100: DTC P0441 & DTC P0446 Diagnostic Procedure Using Toyota Hand-Held Tester (Steps 34-36) Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
Page 16 of 34ENGINE CONTROL SYSTEM SELF DIAGNOSTICS - 4-CYLINDER -2003 Toyota ...
12/8/2011
Fig. 101: DTC P0441 & DTC P0446 Diagnostic Procedure Using Toyota Hand-Held Tester (Steps 37-39) Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
Page 17 of 34ENGINE CONTROL SYSTEM SELF DIAGNOSTICS - 4-CYLINDER -2003 Toyota ...
12/8/2011
Fig. 102: DTC P0441 & DTC P0446 Diagnostic Procedure Using Toyota Hand-Held Tester (Steps 40-41) Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
Page 18 of 34ENGINE CONTROL SYSTEM SELF DIAGNOSTICS - 4-CYLINDER -2003 Toyota ...
12/8/2011h
Fig. 103: DTC P0441 & DTC P0446 Diagnostic Procedure Using Toyota Hand-Held Tester
Page 19 of 34ENGINE CONTROL SYSTEM SELF DIAGNOSTICS - 4-CYLINDER -2003 Toyota ...
12/8/2011
(Steps 42-44) Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
Fig. 104: DTC P0441 & DTC P0446 Diagnostic Procedure Using Toyota Hand-Held Tester (Steps 45-46) Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
Page 20 of 34ENGINE CONTROL SYSTEM SELF DIAGNOSTICS - 4-CYLINDER -2003 Toyota ...
12/8/2011~
Fig. 105: DTC P0441 & DTC P0446 Diagnostic Procedure Using Toyota Hand-Held Tester (Steps 47-49) Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
Page 21 of 34ENGINE CONTROL SYSTEM SELF DIAGNOSTICS - 4-CYLINDER -2003 Toyota ...
12/8/2011
Fig. 106: DTC P0441 & DTC P0446 Diagnostic Procedure Using Toyota Hand-Held Tester (Steps 50-52) Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
Page 22 of 34ENGINE CONTROL SYSTEM SELF DIAGNOSTICS - 4-CYLINDER -2003 Toyota ...
12/8/2011
Fig. 107: DTC P0441 & DTC P0446 Diagnostic Procedure Using Toyota Hand-Held Tester (Steps 53-55) Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
Page 23 of 34ENGINE CONTROL SYSTEM SELF DIAGNOSTICS - 4-CYLINDER -2003 Toyota ...
12/8/2011
Page 24 of 34ENGINE CONTROL SYSTEM SELF DIAGNOSTICS - 4-CYLINDER -2003 Toyota ...
12/8/2011
Page 25 of 34ENGINE CONTROL SYSTEM SELF DIAGNOSTICS - 4-CYLINDER -2003 Toyota ...
12/8/2011
Fig. 108: DTC P0441 & DTC P0446 Diagnostic Procedure Using Toyota Hand-Held Tester (Steps 56-58) Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
Fig. 109: DTC P0441 & DTC P0446 Diagnostic Procedure Using OBD-II Scan Tool (Steps 1-3) Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
Page 26 of 34ENGINE CONTROL SYSTEM SELF DIAGNOSTICS - 4-CYLINDER -2003 Toyota ...
12/8/2011h
Fig. 110: DTC P0441 & DTC P0446 Diagnostic Procedure Using OBD-II Scan Tool (Steps 4-6) Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
Page 27 of 34ENGINE CONTROL SYSTEM SELF DIAGNOSTICS - 4-CYLINDER -2003 Toyota ...
12/8/2011
Fig. 111: DTC P0441 & DTC P0446 Diagnostic Procedure Using OBD-II Scan Tool (Steps 7-10) Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
Page 28 of 34ENGINE CONTROL SYSTEM SELF DIAGNOSTICS - 4-CYLINDER -2003 Toyota ...
12/8/2011
Fig. 112: DTC P0441 & DTC P0446 Diagnostic Procedure Using OBD-II Scan Tool (Steps 11-12) Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
Page 29 of 34ENGINE CONTROL SYSTEM SELF DIAGNOSTICS - 4-CYLINDER -2003 Toyota ...
12/8/2011
Fig. 113: DTC P0441 & DTC P0446 Diagnostic Procedure Using OBD-II Scan Tool (Steps 13-
Page 30 of 34ENGINE CONTROL SYSTEM SELF DIAGNOSTICS - 4-CYLINDER -2003 Toyota ...
12/8/2011
15) Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
Fig. 114: DTC P0441 & DTC P0446 Diagnostic Procedure Using OBD-II Scan Tool (Steps 16-18) Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
Page 31 of 34ENGINE CONTROL SYSTEM SELF DIAGNOSTICS - 4-CYLINDER -2003 Toyota ...
12/8/2011
Fig. 115: DTC P0441 & DTC P0446 Diagnostic Procedure Using OBD-II Scan Tool (Steps 19-21) Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
Page 32 of 34ENGINE CONTROL SYSTEM SELF DIAGNOSTICS - 4-CYLINDER -2003 Toyota ...
12/8/2011
Fig. 116: DTC P0441 & DTC P0446 Diagnostic Procedure Using OBD-II Scan Tool (Steps 22-24) Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
Page 33 of 34ENGINE CONTROL SYSTEM SELF DIAGNOSTICS - 4-CYLINDER -2003 Toyota ...
12/8/2011
Fig. 8: Locating Engine Control Module Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
Fig. 10: Identifying Engine Control Module Electrical Connector Terminals Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
Page 34 of 34ENGINE CONTROL SYSTEM SELF DIAGNOSTICS - 4-CYLINDER -2003 Toyota ...
12/8/2011