Basic Diagnostics Procedure

BASIC DIAGNOSTICS PROCEDURE

NOTE:
1: If a trouble code is not shown on display although the MIL illuminates, perform diagnostics of the MIL (CHECK ENGINE LIGHT) circuit or combination meter.
2: Carry out the basic check, only when a trouble code about automatic transmission is shown on display.

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

CHECK LISTS FOR INTERVIEW





Use this form to help determine when the problem occurred.





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