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Diagnostics for Engine Starting Failure


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                      DIAGNOSTICS FOR ENGINE STARTING FAILURE
ENGINE (DIAGNOSTICS)

17.Diagnostics for Engine Starting Failure
A: PROCEDURE
1. Inspection of starter motor circuit. 
                                                                
2. Inspection of ECM power supply and ground line. 
                                                                
3. Inspection of ignition control system. 
                                                                
4. Inspection of fuel pump circuit. 
                                                                
5. Inspection of fuel injector circuit. 




                                                  EN(H4SO)-62
                                DIAGNOSTICS FOR ENGINE STARTING FAILURE
                                                                                                                                              ENGINE (DIAGNOSTICS)

B: STARTER MOTOR CIRCUIT
CAUTION:
After repair or replacement of faulty parts, conduct Clear Memory Mode  and Inspection Mode .
WIRING DIAGRAM:



    IGNITION
    SWITCH
                                                                                     BATTERY
                                                     SBF-4        SBF-1
                   1
                   3

                     B72
                                                                                                                                    *1    : WITH SECURITY SYSTEM


                                                                                                                                    *2    : WITHOUT SECURITY SYSTEM


                                                                                     INTERRUPT                                      *3    : AT MODEL
                                                                                     RELAY

                                    2            1
                                                                                                                                    *4        : MT MODEL
               6
               1
                                *            *                                  2
                                                                                6
                                                                                1
                                    2
                B59             *          *1                                   4

                                                                          B59

                                                                                                                                                    TO SECURITY SYSTEM


                                                                                                                                                           INHIBITOR SWITCH
                                                                                                                                                   P   R   N   D   3   2   1
                                                 3
                                             *                                                                          12                12
                                                                                                                        11                    7
                                        *4




                                                                                                                  B12        T3          T7




  STARTER
  INTERLOCK RELAY (MT)
                                                                                                                                                  STARTER
                                                                                                           *3




                   28                                                                                                                              MOTOR
                   27
                   26
                                                                                                     *4
                   24                                                                                                                   B14

                     B225


  CLUTCH SWITCH (MT)
                                                                                                           20




                   2
                   1

                     B106

                                                                                                      B136      ECM




    B106       B72                                       B225                       B59               T7                          B12                          B136

      1        1 2          1       2                                               1 2 3        1 2 3 4 5 6                 1 2 3 4               1 2 3                 4 5 6
      2        3 4                                                                  4 5 6        7 8 9 10 11 12              5 6 7 8               7 8 9 10 11 12 13 14 15 16 17
                            3       4      9 14 15 16 19 24 25 26 29 34 35 36                                                9 10 11 12            18 19 20 21 22 23 24    25 26
                                           10    17    20    27    30    37
                            5       6
                                        11 12 13 18 21 22 23 28 31 32 33 38
                            7       8
                                                                                                                                                                        EN-02082




                                                                      EN(H4SO)-63
                    DIAGNOSTICS FOR ENGINE STARTING FAILURE
ENGINE (DIAGNOSTICS)

                       Step                                     Check                    Yes                            No
1      CHECK BATTERY.                              Is the voltage more than 12 V? Go to step 2.                 Charge or replace
       Check the battery voltage.                                                                               the battery.
2      CHECK INPUT SIGNAL FOR STARTER MO- Is the voltage more than 10 V? Go to step 3.                          Go to step 4.
       TOR.
       1) Turn the ignition switch to OFF.
       2) Disconnect the connector from starter
       motor.
       3) Turn the ignition switch to ST.
       4) Measure the power supply voltage between
       starter motor connector terminal and engine
       ground.
         Connector & terminal
          (B14) No. 1 (+) -- Engine ground (-):
       NOTE:
       



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