Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Subaru Legacy 1995-1999 Approved Subaru Legacy 1998 1998 Service Manual DIAGNOSTICS SECTION BODY ELECTRICAL SYSTEM (ELECTRICAL PARTS) MSA5TCD98L21363

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MSA5TCD98L21363


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6-2b     [T1A1]     BODY ELECTRICAL          SYSTEM (ELECTRICAL PARTS)
1. Starter Interlock System (MT Model)


1. Starter Interlock System (MT                        1A3 :    CHECK POWER SUPPLY FOR
Model)                                                          STARTER INTERLOCK RELAY.

A: DIAGNOSTICS PROCEDURE                               1) Disconnect all connectors from starter motor.
                                                       2) Disconnect connector of starter interlock relay.
1A1 :   CHECK MAIN POWER SUPPLY FOR                    3) Turn ignition switch to ST (START).
        STARTER MOTOR.                                 4) Measure voltage between starter interlock relay
                                                       connector and chassis ground.
Measure voltage between starter motor terminal B       Connector & terminal
and chassis ground.                                       (B105) No. 2 (+) -- Chassis ground (-):
Connector & terminal
   Terminal B (+) -- Chassis ground (-):




                                                                                              B6M0385A


                                     B6M0383A                  : Is the voltage more than 10 V?
                                                               : Go to step 1A4.
        : Is the voltage more than 10 V?
                                                               : Repair wiring harness.
        : Go to step 1A2.
        : Repair wiring harness.                       1A4 :    CHECK POWER SUPPLY FOR
                                                                STARTER INTERLOCK RELAY.
1A2 :   CHECK POWER SUPPLY FOR MAG-
        NET COIL OF STARTER MOTOR.                     Measure voltage between starter interlock relay
                                                       connector and chassis ground.
1) Disconnect all connectors from starter motor.       Connector & terminal
2) Turn ignition switch to ST (START).
                                                          (B105) No. 4 (+) -- Chassis ground (-):
3) Depress clutch pedal.
4) Measure voltage between starter motor termi-
nal S connector and chassis ground.
Connector & terminal
   (B14) (+) -- Chassis ground (-):




                                                                                              B6M0385A


                                                               : Is the voltage more than 10 V?
                                                               : Go to step 1A5.
                                     B6M0384A                  : Repair wiring harness. Go to step 1A5.

        : Is the voltage more than 10 V?
        : Go to step 1A3.
        : Repair or replace starter motor.

                                                   2
                      BODY ELECTRICAL SYSTEM (ELECTRICAL PARTS)                                      [T1A8] 6-2b
                                                                             1. Starter Interlock System (MT Model)


1A5 :    CHECK STARTER INTERLOCK                               2) Check continuity between terminals when
         RELAY.                                                clutch pedal is released.
                                                               Terminals
1) Disconnect connector of starter interlock relay.                No. 1 -- No. 2:
2) Connect battery to terminal No. 2 and ground
terminal No. 1.
3) Check continuity between terminals.
When current flows.     Between termi-   Continuity
                        nals No. 3 and   exists.
                        No. 4
When current does not   Between termi-   Continuity does
flow.                   nals No. 3 and   not exist.
                        No. 4
                        Between termi-   Continuity
                                                                                                        G6M0184
                        nals No. 1 and   exists.
                        No. 2
                                                                       : Is the resistance less than 10 ?
                                                                         (With pedal released)
                                                                       : Go to step 1A7.
                                                                       : Adjust or replace clutch switch.

                                                               1A7 :    CHECK CLUTCH SWITCH.

                                                               Check continuity between terminals when clutch
                                                               pedal is depressed.
                                                               Terminals
                                                                   No. 1 -- No. 2:




                                            B6M0386A
                                                                                                        G6M0184
        : Is starter interlock relay normal?
        : Go to step 1A6.                                              : Is the resistance more than 1 M?
                                                                         (With pedal depressed)
        : Replace starter interlock relay.
                                                                       : Go to step 1A8.
1A6 :    CHECK CLUTCH SWITCH.                                          : Adjust or replace clutch switch.


1) Disconnect connector of clutch switch.                      1A8 :    CHECK HARNESS CONNECTOR
                                                                        BETWEEN STARTER INTERLOCK
                                                                        RELAY AND STARTER MOTOR.

                                                               1) Disconnect connectors of starter interlock relay
                                                               and starter motor.




                                                           3
6-2b     [T1A9]     BODY ELECTRICAL           SYSTEM (ELECTRICAL PARTS)
1. Starter Interlock System (MT Model)


2) Measure resistance of harness connector                         : Is the resistance less than 10 ?
between starter interlock relay and starter motor.                 : Go to step 1A10.
Connector & terminal                                               : Repair wiring harness.
   (B105) No. 3 -- (B14):
                                                          1A10 :    CHECK GROUND CIRCUIT OF
                                                                    CLUTCH SWITCH.

                                                          1) Disconnect connector of clutch switch.
                                                          2) Measure resistance of harness connector
                                                          between clutch switch and chassis ground.
                                                          Connector & terminal
                                                             (B106) No. 1 (+) -- Chassis ground (-):
                                       B6M0387A


        : Is the resistance less than 10 ?
        : Go to step 1A9.
        : Repair wiring harness.

1A9 :    CHECK HARNESS CONNECTOR
         BETWEEN STARTER INTERLOCK
         RELAY AND CLUTCH SWITCH.
                                                                                              B6M0389A

1) Disconnect connectors of starter interlock relay
                                                                   : Is the resistance less than 10 ?
and clutch switch.
2) Measure resistance of harness connector                         : System is normal.
between starter interlock relay and clutch switch.                 : Repair wiring harness.
Connector & terminal
   (B105) No. 1 -- (B106) No. 2:




                                       B6M0388A




                                                      4



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