Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Toyota Echo 2000-2002 Approved techinfo.toyota.com ileaf 02toyrm 02toypdf 02rmsour 2002 02echorm di eg ecmpower

<< Back | Home

Most service manuals and schematics are PDF files, so You will need Adobre Acrobat Reader to view : Acrobat Download Some of the files are DjVu format. Readers and resources available here : DjVu Resources
For the compressed files, most common are zip and rar. Please, extract files with Your favorite compression software ( WinZip, WinRAR ... ) before viewing. If a document has multiple parts, You should download all, before extracting.
Good luck. Repair on Your own risk. Make sure You know what You are doing.




Image preview - the first page of the document
ecmpower


>> Download ecmpower documenatation <<

Text preview - extract from the document
DI-138
                                                DIAGNOSTICS        -   ENGINE
                                                                                                                      DI6VQ-02




 ECM Power Source Circuit

CIRCUIT DESCRIPTION
When the ignition switch is turned ON, battery positive voltage is applied to the coil, closing the contacts of
the EFI relay (Making: EFI) and supplying power to the terminal +B of the ECM.

WIRING DIAGRAM
               I10            Instrument
               Ignition       Panel J/B
               Switch
                            6            3
         W-R           B-R 1O                       B-R
                                        1A
             5 AM1 IG2 6

    1O 1
                                                                                                                ECM
             Instrument
             Panel J/B
                                   B-Y
    1A 7
W-R
    1           1             Engine Room            1         1
                              R/B No. 1
      2             2                                    1     5
          AM2           EFI                 EFI                        Engine Room
                                            Relay                      R/B No. 1
      1             1
                                                     2         3
                                                                           Instrument
    1                                                1         1           Panel J/B
      B-L                                                B-Y             11             8           12
    F6 2                                                                 1A            1H   B-R     E4     +B
             Fusible
      MAIN   Link Block                        W-B
                                                                                                    14
                                                                                              BR
                                                                                                    E7 E1


          Battery
                                                    EC                                       EB


                                                                                                                      A09140




 2002 ECHO (RM884U)

                                                                                Author :          Date :                308
                                                                                                DI-139
                                    DIAGNOSTICS   -   ENGINE

INSPECTION PROCEDURE

  1     Check voltage between terminals + B and E1 of ECM connector.

       ON                                 PREPARATION:
                 E1         +B            (a) Remove the connector cover from the ECM.
                                          (b) Turn the ignition switch ON.
                                          CHECK:
                                          Measure voltage between terminals + B and E1 of the ECM
                                          connector.
                                          OK:
                     (-)   (+)                 Voltage: 9 - 14 V
                                 A09046

                                            OK         Proceed to next circuit inspection shown on
                                                      Problem symptoms table (See page DI-21 ).


  NG



  2     Check for open in harness and connector between terminal E1 of ECM and body
        ground (See page IN-29 ).


                                            NG        Repair or replace harness or connector.


  OK



  3     Check EFI relay (Marking: EFI) (See page SF-47 ).


                                            NG        Replace EFI relay.


  OK




2002 ECHO (RM884U)

                                                           Author :          Date :              309
DI-140
                                    DIAGNOSTICS   -   ENGINE



   4       Check EFI fuse.

 Engine Room J/B                          PREPARATION:
                                          Remove IGN fuse from engine room J/B.
                                          CHECK:
                                          Check continuity of EFI No. 1 fuse.
                                          OK:
                                              Continuity

                                            NG         Check for short in all the harness and compo-
       EFI Fuse                  B07780
                                                      nents connected to EFI fuse.


  OK



   5       Check for open in harness and connector between EFI relay (Marking: EFI) and
           battery, EFI relay (Marking: EFI) and ECM (See page IN-29 ).


                                            NG         Repair or replace harness or connector.


  OK



   6       Check ignition switch (See page BE-15 ).


                                            NG        Replace ignition switch.


  OK



  Check for open in harness and connector be-
  tween IG switch and EFI relay and body
  ground (See page IN-29 ).




2002 ECHO (RM884U)

                                                               Author :          Date :          310



◦ Jabse Service Manual Search 2020 ◦ Jabse Pravopis ◦ Other service manual resources online : FixyaeServiceinfo