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DI-262
                                                        DIAGNOSTICS       -    ABS WITH EBD & BA & TRAC & VSC SYSTEM
                                                                                                                                           DI6CF-03




  DTC                  C1207 / 37                           PNP Switch Circuit (P/R Range)

CIRCUIT DESCRIPTION
    DTC No.                            DTC Detection Condition                                                   Trouble Area
                    When any of the condition 1. through 3. is detected:
                    1. At vehicle speed of 15 km/h (9 mph) or less, the condi-
                       tions that P signal open circuit of park/neutral position
                       switch is detected and the voltage of IG1 terminal is 9.5
                       V to 17 V continue for 5 sec. or more.
                    2. At vehicle speed of 15 km/h (9 mph) or more, the condi-
                       tion that P signal from park/neutral position switch is ON,       S PNP switch
   C1207 / 37
                       and the the shift lever position information from the ECM         S PNP switch circuit (P/R range)
                       is other than in P or N position continues for 60 sec. or
                       more.
                    3. At vehicle speed of 15 km/h (9 mph) or less, the condi-
                       tions that P signal open circuit of park/neutral position
                       switch is ON and the voltage of IG1 terminal is 9.5 V
                       to17 V continue for 5 sec. or more.


WIRING DIAGRAM

                                                                                                                             Skid Control ECU
                                                       P1
                                                       PNP Switch                                                           10
                                                                                               19
                                                             RL               W-L                             W-L
                                                                                               II4                          V19 R
                                                                      2
                                20                                                               2                           3
           B-Y                              B-Y                  PL           L-Y                              L-Y
                                II4                                                             II1                         V19 P
                                                   3                  1

                                                                                          I14
                                      Driver Side J/B                                     Ignition Switch
                            7            GAUGE              2
                                                                          B-Y
                           1F                               1I
                                                                                     4     IG1         AM1 2


                                       Engine Room R/B
                                             ALT            AM1
                W                                                                                           W
                           2                                                  2
                                        1          2    1             2


                Battery




                                                                                                                                            F14354




2002 4RUNNER (RM887U)

                                                                                           Author :                     Date :               438
                                                                                                          DI-263
                                  DIAGNOSTICS    -   ABS WITH EBD & BA & TRAC & VSC SYSTEM

INSPECTION PROCEDURE

  1     Check PNP switch (P/R range).

                                        PREPARATION:
                                        (a) Jack up the vehicle.
                  3       1             (b) Disconnect the PNP switch connector.
                                        CHECK:
                                        Check continuity between each terminal shown below when the
                                        shift lever is moved to each range.
                      2                 OK:
                                                P range               Terminals 3 - 1            Continuity
                               F13411
                                                R range               Terminals 3 - 2            Continuity



                                          NG         Replace PNP switch.


  OK



  2     Check for open and short circuit in harness and connector between terminals P
        and R of skid control ECU and PNP switch (See page IN-28 ).


                                          NG         Repair or replace harness or connector.


  OK



 Check and replace skid control ECU.




2002 4RUNNER (RM887U)

                                                           Author :                     Date :                439



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