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 cip1346

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                                                                                                                                     DI-121
                                                 DIAGNOSTICS       -   ENGINE
                                                                                                                                       DI6VK-01




    DTC                P1346               VVT Sensor (Camshaft Position Sensor) Cir-
                                           cuit Range/Performance Problem

CIRCUIT DESCRIPTION
Refer to DTC P1345 (VVT Sensor (Camshaft Position Sensor ) Circuit Malfunction) on page DI-1 19.
   DTC No.                           Detection Item                                                    Trouble Area
                                                                              S Mechanical system malfunction (Skipping teeth of timing belt,
              Deviation in crankshaft position sensor signal and VVT sensor
   P1346                                                                        belt stretched)
              (bank 1) signal (2 trip detection logic)
                                                                              S ECM


WIRING DIAGRAM
Refer to DTC P1345 (VVT Sensor (Camshaft Position Sensor ) Circuit Malfunction) on page DI-1 19 for the
WIRING DIAGRAM.

INSPECTION PROCEDURE
HINT:
Read freeze frame data using TOYOTA hand-held tester or OBD II scan tool. Because freeze frame records
the engine conditions when the malfunction is detected, when troubleshooting it is useful for determining
whether the vehicle was running or stopped, the engine warmed up or not, the air-fuel ratio lean or rich, etc.
at the time of the malfunction.

   1       Check valve timing (Check for loose and jumping teeth of timing chain)
           (See page EM-15 ).


                                                           NG          Adjust valve timing (Repair or replace
                                                                       timing chain).


   OK



  Check and replace ECM (See page IN-29 ).




 2002 ECHO (RM884U)

                                                                               Author :                     Date :                     291

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