Basic Diagnostics Procedure

Basic Diagnostics Procedure

1. BASIC CHECK ITEMS FOR AT
When trouble code about automatic transmission is shown on display, carry out the following basic check.
After that, carry out the replacement or repair work.
1) ATF level check
2) Differential gear oil level check
3) ATF leak check
4) Differential gear oil leak check
5) Brake band adjustment
6) Stall test
7) Line pressure test
8) Transfer clutch pressure test
9) Time lag test
10) Road test
11) Shift characteristics

NOTE: As for the method, refer to 3-2 [W2A1]*1.





2. CHECK LIST FOR INTERVIEW
Check the following items when problem occurred.





Check the following items about the vehicle's state when MIL turns on.