Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Toyota Sienna 2004-2007 Approved SRM 04 05 20ahm htpwt400

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                                                                                                05-431
                                      DIAGNOSTICS   -   ABS WITH EBD & BA & TRAC & VSC SYSTEM


ABS WITH EBD & BA & TRAC & VSC SYSTEM
                                                                                                    05BX2-01


HOW TO PROCEED WITH TROUBLESHOOTING
  1     Vehicle Brought to Workshop




  2     Customer Problem Analysis (See page 05-433 )




  3     Check and Clear DTCs (See page 05-435 )




  4     Problem Symptom Confirmation

                                                        Symptom does not occur: Go to step 5

                                                        Symptom occur: Go to step 6

  5     Symptom Simulation (See page 01-27 )




  6     DTC Check (See page 05-435 )

                                                        There is no output: Go to step 7

                                                        There is output: Go to step 8

  7     Problem Symptoms Table (See page 05-453 )

                                                        Check for fluid leakage and Go to step 10

  8     DTC Chart (See page 05-447 )




  9     Circuit Inspection (See page 05-455 - 05-526 )




 10     Identification of Problem



2005 SIENNA REPAIR MANUAL (RM1163U)

                                                              Author :              Date :          614
05-432
                                       DIAGNOSTICS   -   ABS WITH EBD & BA & TRAC & VSC SYSTEM

  11     Repair




  12     Confirmation Test




  End

HINT:
Step 3, 6, 9, 12:
Diagnostic steps permitting the use of the hand-held tester.
Fail safe function:
When a failure occurs in the ABS & BA & TRAC & VSC systems, the ABS and VSC warning lights and the
TRAC OFF indicator light comes on and the ABS & BA & TRAC & VSC operations are prohibited. In addition
to this, when there is a failure that disables the EBD operation, the brake warning light also comes on and
the EBD operation is prohibited.




2005 SIENNA REPAIR MANUAL (RM1163U)

                                                                Author :             Date :           615

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