diagnosis & repair - justanswer

34
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 34 ENGINE CONTROL SYSTEM SELF DIAGNOSTICS - 4-CYLINDER -2003 Toyota Ta... 12/8/2011 http://www.ondemand5.com/mric/common/asp/printart.aspx

Upload: others

Post on 25-Oct-2021

8 views

Category:

Documents


0 download

TRANSCRIPT

Page 1: Diagnosis & Repair - JustAnswer

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: Diagnosis & Repair - JustAnswer

Page 2 of 34ENGINE CONTROL SYSTEM SELF DIAGNOSTICS - 4-CYLINDER -2003 Toyota Ta...

12/8/2011

Page 3: Diagnosis & Repair - JustAnswer

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

Page 4: Diagnosis & Repair - JustAnswer

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

Page 5: Diagnosis & Repair - JustAnswer

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

Page 6: Diagnosis & Repair - JustAnswer

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

Page 7: Diagnosis & Repair - JustAnswer

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

Page 8: Diagnosis & Repair - JustAnswer

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

Page 9: Diagnosis & Repair - JustAnswer

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

Page 10: Diagnosis & Repair - JustAnswer

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

Page 11: Diagnosis & Repair - JustAnswer

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

Page 12: Diagnosis & Repair - JustAnswer

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

Page 13: Diagnosis & Repair - JustAnswer

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

Page 14: Diagnosis & Repair - JustAnswer

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

Page 15: Diagnosis & Repair - JustAnswer

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

Page 16: Diagnosis & Repair - JustAnswer

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

Page 17: Diagnosis & Repair - JustAnswer

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

Page 18: Diagnosis & Repair - JustAnswer

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

Page 19: Diagnosis & Repair - JustAnswer

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

Page 20: Diagnosis & Repair - JustAnswer

(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~

Page 21: Diagnosis & Repair - JustAnswer

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

Page 22: Diagnosis & Repair - JustAnswer

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

Page 23: Diagnosis & Repair - JustAnswer

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: Diagnosis & Repair - JustAnswer

Page 24 of 34ENGINE CONTROL SYSTEM SELF DIAGNOSTICS - 4-CYLINDER -2003 Toyota ...

12/8/2011

Page 25: Diagnosis & Repair - JustAnswer

Page 25 of 34ENGINE CONTROL SYSTEM SELF DIAGNOSTICS - 4-CYLINDER -2003 Toyota ...

12/8/2011

Page 26: Diagnosis & Repair - JustAnswer

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

Page 27: Diagnosis & Repair - JustAnswer

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

Page 28: Diagnosis & Repair - JustAnswer

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

Page 29: Diagnosis & Repair - JustAnswer

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

Page 30: Diagnosis & Repair - JustAnswer

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

Page 31: Diagnosis & Repair - JustAnswer

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

Page 32: Diagnosis & Repair - JustAnswer

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

Page 33: Diagnosis & Repair - JustAnswer

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

Page 34: Diagnosis & Repair - JustAnswer

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