Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Subaru Legacy 1995-1999 Approved Subaru Legacy 1996 1996 Service Manual TROUBLESHOOTING SECTION ON-BOARD DIAGNOSTICS II SYSTEM MSA5TCD96L6406

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MSA5TCD96L6406


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2-7                               ON-BOARD DIAGNOSTICS II SYSTEM
2. Electrical Components Location


                                                       2. Electrical Components Location
                                                       A: ENGINE
                                                       1. MODULE




                                                                                                                     OBD0003A


k
1   Engine control module (ECM)                                      k
                                                                     4   Test mode connector
k
2   Data link connector (for Subaru select monitor only)             k
                                                                     5   CHECK ENGINE malfunction indicator lamp (MIL)
k
3   Data link connector (for Subaru select monitor and OBD-II
    general scan tool)




                                                      OBD0004A                                                       OBD0005D




                                                      OBD0006B                                                       B2M0470A




                                                                14
                                 ON-BOARD DIAGNOSTICS II SYSTEM                                             2-7
                                                                                2. Electrical Components Location


                                           2. SENSOR




                                                                                                        OBD0009A


k
1   Pressure sensor                                    k
                                                       5   Knock sensor
k
2   Mass air flow sensor                               k
                                                       6   Camshaft position sensor
k
3   Engine coolant temperature sensor                  k
                                                       7   Crankshaft position sensor
k
4   Throttle position sensor




                                           B2M0776A                                                    OBD0011A




                                                  15
2-7                            ON-BOARD DIAGNOSTICS II SYSTEM
2. Electrical Components Location




                                         OBD0012A               OBD0013A




                                         OBD0014A               OBD0015A




                                         B2M0213B




                                                16
                                  ON-BOARD DIAGNOSTICS II SYSTEM                                                          2-7
                                                                                              2. Electrical Components Location




                                                                                                                      B2M0471A




                                                                                                                      B2M0472A


k
8    Front oxygen sensor                                           k
                                                                   11   Front catalytic converter
k
9    Rear oxygen sensor (Except 2200 cc California model)          k
                                                                   12   Rear catalytic converter
k
10   Rear oxygen sensor (2200 cc California model)




                                                       OBD0018A                                                      OBD0019B




                                                              17
2-7                            ON-BOARD DIAGNOSTICS II SYSTEM
2. Electrical Components Location




                                         B2M0473A               OBD0524C




                                         OBD0525C




                                                18
                              ON-BOARD DIAGNOSTICS II SYSTEM                                            2-7
                                                                            2. Electrical Components Location




                                                                                                    OBD0003C


k
1   Fuel level sensor                               k
                                                    3   Fuel tank pressure sensor
k
2   Fuel temperature sensor                         k
                                                    4   Fuel sub level sensor




                                        B2M0921A                                                   B2M0922A




                                        B2M0946A




                                               19
2-7                                ON-BOARD DIAGNOSTICS II SYSTEM
2. Electrical Components Location


                                                    3. SOLENOID VALVE, EMISSION CONTROL SYSTEM
                                                    PARTS AND IGNITION SYSTEM PARTS




                                                                                                   OBD0009B

k
1   Pressure sources switching solenoid valve                   k
                                                                5   Purge control solenoid valve
k
2   Idle air control solenoid valve                             k
                                                                6   Ignitor
k
3   EGR valve (AT vehicles only)                                k
                                                                7   Ignition coil
k
4   EGR control solenoid valve (AT vehicles only)




                                                    B2M0777A                                       OBD0022A



                                                           20
ON-BOARD DIAGNOSTICS II SYSTEM                           2-7
                             2. Electrical Components Location




          B2M0670A                                  OBD0024A




          OBD0025A                                  OBD0026A




          B6M0160A




                 21
2-7                             ON-BOARD DIAGNOSTICS II SYSTEM
2. Electrical Components Location




                                                                                                                    OBD0003D


k
8   Pressure control solenoid valve (2200 cc AWD except           k
                                                                  10   Canister (2200 cc AWD except Taiwan model)
    Taiwan model)
k
9   Vent control solenoid valve (2200 cc except AWD Taiwan
    model)




                                                    B2M0923A                                                        B2M0924A




                                                             22
                                  ON-BOARD DIAGNOSTICS II SYSTEM                                                              2-7
                                                                                            2. Electrical Components Location




                                                                                                                          OBD0003B


k
1   Inhibitor switch (AT vehicles only)                            k
                                                                   6   Radiator main fan relay 2 (With A/C models only)
k
2   Fuel pump                                                      k
                                                                   7   Radiator sub fan relay 1 (With A/C models)
k
3   Main relay                                                         Main fan relay (Without A/C models)
k
4   Fuel pump relay                                                k
                                                                   8   Radiator sub fan relay 2 (With A/C models only)
k
5   Radiator main fan relay 1 (With A/C models only)               k
                                                                   9   Starter




                                                       OBD0047A                                                           B2M0216A




                                                       B2M0218B                                                           OBD0034A




                                                              23
2-7                            ON-BOARD DIAGNOSTICS II SYSTEM
2. Electrical Components Location




                                         OBD0036A               OBD0038A




                                                24
                                  ON-BOARD DIAGNOSTICS II SYSTEM                                                                2-7
                                                                                                 2. Electrical Components Location


                                                          B: TRANSMISSION
                                                          1. MODULE




                                                                                                                            OBD0039A


k
1   Transmission Control Module (TCM) (for AT vehicles)               k
                                                                      2   AT diagnostic indicator light (for AT vehicles)




                                                          B3M0443C                                                          B2M0470B

                                                          2. SENSOR




                                                          OBD0041A                                                          OBD0042A


k
1   Vehicle speed sensor 1 (for AT FWD vehicles)                      k
                                                                      2   Vehicle speed sensor 1 (for AT AWD vehicles)




                                                                 25
2-7                               ON-BOARD DIAGNOSTICS II SYSTEM
2. Electrical Components Location




                                               OBD0043A                                                   OBD0044A




                                               H2M1145B                                                   OBD0653A


k
3   Vehicle speed sensor 2 (for MT vehicles)               k
                                                           5   ATF temperature sensor (for AT vehicles)
k
4   Vehicle speed sensor 2 (for AT vehicles)               k
                                                           6   Brake light switch




                                                      26
                                  ON-BOARD DIAGNOSTICS II SYSTEM                                             2-7
                                                                                 2. Electrical Components Location


                                            3. SOLENOID VALVE AND RELAY
                                            



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