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starterr


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DI-416
                                                            DIAGNOSTICS       -     THEFT DETERRENT SYSTEM
                                                                                                                                                 DI3B5-03




 Starter Relay Circuit

CIRCUIT DESCRIPTION
When the theft deterrent system is activated, contact (a) in the ECU becomes open, creating an open circuit
in terminal SRLY circuit and making the starter inoperative (starter cut).
In this condition, if one of the following operations is done, the contact (a) in the ECU is grounded, thus can-
celing the starter cut:
       (1) Unlock the front LH or RH door with key.
       (2) Unlock the doors with the wireless door lock control system.
WIRING DIAGRAM



                    6                     7 15                                                                                      Theft Deterrent
  W-B                        W-B                                       P           (A/T)                                            ECU
                   EB1                   EB1 EB1
                                        (A/T) (M/T) W-R                                        C
                                                                                                             1
                                                               1                   2 P                  P
                                                                                                            ID2
                                                            (M/T)                 (M/T) C           C
                                                                                                                                 5
                                                             Clutch Start Switch             J1                         P
                   Engine Room J/B                                                           J/C                                T6     SRLY

                     2                  1                    2                                     Instrument Panel J/B
                                                                      6 N P
           1                                 1              EB1                         1               6         7
                                                       B            B-Y            9           B                                B
    W-B                                                             (A/T)         B
                                                                                       IE1          1E            1O
                    3                   5                                     (A/T)                                         4
                                             1                        Park/Neutral
           1                                                           Position
  B                                                                      Switch
                             ST Relay                      B-W         B (M/T)                                                  ST2   Ignition
5 EB1                          ST                                                                                                     Switch
                                             1                                                                                  AM2
                          1      2                                                                                          5
   B
                              AM2                                                                    7            1             W-R
               1                                 1                                                  1A            1O
                         1          2                                 W-R
         B-L                                     FL Block                          Battery
                                            2
                                            F6
                                                     MAIN
          1 S2           1
                         S1
                                                       B
                                   Starter




                                                                                                                                                   I13712




 2002 ECHO (RM884U)

                                                                                             Author :                  Date :                      586
                                                                                                  DI-417
                                      DIAGNOSTICS    -   THEFT DETERRENT SYSTEM

INSPECTION PROCEDURE
HINT:
This troubleshooting is based on the premise that engine cranking occurs.
If the engine does not crank, proceed to the engine troubleshooting on DI-1 .

   1     Check voltage between terminal SRLY of theft deterrent ECU connector and
         body ground.

        LOCK                                 PREPARATION:
                                             (a) Disconnect the theft deterrent ECU connector.
                                             (b) Transmission in neutral position.
                                             CHECK:
 Disconnect
                                             Measure voltage between terminal SRLY of theft deterrent ECU
                                             connector and body ground, when ignition switch is turned to
                                             ST position.
    SRLY                                     OK:
                                    I13842        Voltage: 10 - 14 V


                                               OK        Check and repair theft deterrent ECU.


  NG



  Check and repair harness and connector be-
  tween starter and theft deterrent ECU
  (See page IN-29 ).




2002 ECHO (RM884U)

                                                               Author :           Date :           587



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