Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Toyota Sienna 1998-2003 Approved FSM 05 abswebdb cic12024

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DI-300
                                                      DIAGNOSTICS         -   ABS WITH EBD & BA & TRAC & VSC SYSTEM
                                                                                                                                             DI6O3-02




  DTC                  C1202 / 44                          Brake Fluid Level Warning Switch Cir-
                                                           cuit

CIRCUIT DESCRIPTION
The brake fluid level warning switch sends appropriate signals to the ECU when the brake fluid level is low-
ered.
HINT:
Depressing the parking brake pedal turns on the brake warning light, but this DTC No. C1202/44 is not out-
put.
     DTC No.                          DTC Detecting Condition                                                  Trouble Area
                    Fluid level in the brake master cylinder reservoir tank re-      S Brake fluid level
     C1202 / 44     mains low for 60 sec. or more. This means brake fluid            S Brake fluid level warning switch
                    warning switch likes on.                                         S Brake fluid level warning switch circuit


WIRING DIAGRAM

                           Brake Fluid Level                                  Translate
                                                                              ECU                                                 Skid Control ECU
                           Warning Switch
                                                                     11           25                                        40
                                                  R-W                                                       GR-G
                                                                    T10 LVL2 LBL T10                                        V14 LBL
                          2               1
            W-B
                                                                                             16
                                                                                                           R
                                                                                    BRL T10
  A J3

             J/C                                                                                                        D
 A     J2                                                                                                    J8
                                                                                                             J/C
                                                                                         Brake                          D
                   Driver Side J/B                   J17                J18              Warning Light
            W-B                                      J/C                J/C
                   GAUGE       2                                                       9          5
                                           GR                GR                    GR                                   R
                              1D                                                      C10         C9
       IJ                                       A          A       D           D
                                                                                             Combination
                                                                                             Meter
                                                                                                                                              F13453




 2001 SIENNA (RM787U)

                                                                                       Author :                       Date :                   454
                                                                                                     DI-301
                                       DIAGNOSTICS   -   ABS WITH EBD & BA & TRAC & VSC SYSTEM

INSPECTION PROCEDURE

   1     Check brake fluid level.

CHECK:
Check the amount of brake fluid in the reservoir.

                                              NG         Check for fluid leakage, repair brake line and
                                                         add fluid.


   OK



   2     Check brake fluid level warning switch (See page BE-48 ).


                                              NG         Replace brake fluid level warning switch.


   OK



   3     Check for open circuit in all the harness and components connected to brake
         warning light (See page IN-31 ).


                                              NG         Repair or replace harness or connector.


   OK



  Check and replace translate ECU.




2001 SIENNA (RM787U)

                                                               Author :              Date :           455



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