ATTE/A340 Automatic Trans (GTE) — How to Proceed with Troubleshooting, page 32

AT2–32
A340E (2JZ—GTE) AUTOMATIC TRANSMISSION  –  TROUBLESHOOTING

HOW TO PROCEED WITH TROUBLESHOOTING

Vehicle Brought to Workshop

1  Customer Problem Analysis
   P. AT2–33

2  Check and Clear Diagnostic Trouble Codes (Precheck)
   P. AT2–34 ~ AT2–35

Symptom does
not occurs  4  Symptom Simulation
                  P. IN–24

3  Problem Symptom Confirmation
   P. AT2–37
   Symptom Occurs

OK Code
5  Diagnostic Trouble Code Check        7  Preliminary Check           NG
   P. AT2–34 ~ AT2–35                      P. AT2–42

                                    OK
6  Diagnostic Trouble Code Check   NG  8  Shift Position Signal Check
   P. AT2–54                              P. AT2–36

                                       OK
                              9  Mechanical System Tests        NG
                                 P. AT2–44
                                    OK
                             10  Manual Shifting Test            NG
                                 P. AT2–53
                              OK

11                    Matrix Chart of Problem Symptoms – P. AT2–62

        Chapter 1          OK    Chapter 2         OK    Chapter 3
        (Electronic)    ⇒       (On–Vehicle)    ⇒       (OFF–Vehicle)
        P. AT2–64               P. AT2–66               P. AT2–68

           NG                      NG                       NG
12  Circuit         Main Throttle Signal Check    13  Parts Inspection
    Inspection      Stop Light Signal Check
                    Kick–Down Signal Check

                    P. AT2–70 ~ AT2–115

    Identification of Problem  14  Repair  15  Confirmation Test  END

Items inside        are titles of pages in this manual,
with the page number indicated in the bottom portion.
See the indicated pages for detailed explanations.
Step [2], [5], [12], [15]:
Diagnostic steps permitting the use of the TOYOTA hand–
held tester or TOYOTA brake–out box.

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