Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Subaru Forester 1999-2004 Approved Subaru Forester 2004 2 - Engine Section (H4SO) Engine (Diagnostics) Transmission Control Module (TCM) IO Signal

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Transmission Control Module (TCM) IO Signal


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                   TRANSMISSION CONTROL MODULE (TCM) I/O SIGNAL
ENGINE (DIAGNOSTICS)

7. Transmission Control Module (TCM) I/O Signal
A: ELECTRICAL SPECIFICATION




                             to   B54                                               to   B55


             9 8 7 6 5 4 3 2 1                                         9 8 7 6 5 4 3 2 1
             18 17 16 15 14 13 12 11 10                                18 17 16 15 14 13 12 11 10
             24 23 22          21 20 19                                24 23 22          21 20 19



                                                                                                               EN-00194

NOTE:
Check with ignition switch ON.
                                    Con-
                                            Termi-                                                        Resistance to
             Content               nector               Measuring conditions              Voltage (V)
                                            nal No.                                                       body (ohms)
                                    No.
Back-up power supply                B55        6         Ignition switch OFF                10 -- 13           --
                                    B54       23       Ignition switch ON (with
Ignition power supply                                                                       10 -- 13           --
                                    B54       24              engine OFF)
                                                      Selector lever in "P" range         Less than 1
                 "P" range
                                    B55       23      Selector lever in any other                              --
                 switch                                                                   More than 8
                                                           than "P" range
                                                      Selector lever in "N" range         Less than 1
                 "N" range
                                    B55       22      Selector lever in any other                              --
                 switch                                                                   More than 8
                                                           than "N" range
                                                      Selector lever in "R" range         Less than 1
                 "R" range
                                    B55       17      Selector lever in any other                              --
                 switch                                                                   More than 8
                                                           than "R" range
                                                      Selector lever in "D" range         Less than 1
Inhibitor        "D" range
                                    B55       8       Selector lever in any other                              --
switch           switch                                                                   More than 8
                                                           than "D" range
                                                      Selector lever in "3" range         Less than 1
                 "3" range
                                    B55       18      Selector lever in any other                              --
                 switch                                                                   More than 8
                                                            than "3" range
                                                      Selector lever in "2" range         Less than 1
                 "2" range
                                    B54       10      Selector lever in any other                              --
                 switch                                                                   More than 8
                                                            than "2" range
                                                      Selector lever in "1" range         Less than 1
                 "1" range
                                    B54       1       Selector lever in any other                              --
                 switch                                                                   More than 8
                                                            than "1" range
                                                       Brake pedal depressed.            More than 10.5
Brake switch                        B55       24                                                               --
                                                        Brake pedal released.             Less than 1
                                                           ABS switch ON                  Less than 1
ABS signal                          B54       19                                                               --
                                                          ABS switch OFF                 More than 6.5

                                                      EN(H4SO)-26
                    TRANSMISSION CONTROL MODULE (TCM) I/O SIGNAL
                                                                                                 ENGINE (DIAGNOSTICS)

                                  Con-
                                          Termi-                                                            Resistance to
           Content               nector                Measuring conditions             Voltage (V)
                                          nal No.                                                           body (ohms)
                                  No.
                                                               Light ON                 Less than 1
AT OIL TEMP light                 B54       3                                                                    --
                                                              Light OFF                 More than 9
                                                        Throttle fully closed.          Approx. 0.5
Throttle position sensor          B55       2                                                                    --
                                                         Throttle fully open.           Approx. 4.3
Throttle position sensor power                       Ignition switch ON (With
                                  B55       1                                            4.8 -- 5.3              --
supply                                                       engine OFF)
                                                       ATF temperature 20



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