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7A–66 AUTOMATIC TRANSMISSION (AW30-40LE) 255RT004 F07RY00005 F07RY00006 ROAD TEST NOTE: Perform the test at normal operation fluid temperature (50 – 80 ° C or 122 – 176 ° F). "D" RANGE TEST IN "NORMAL", AND "POWER" Shift into the "D" range and hold the accelerator pedal constant 1) 1-2, 2-3, 3-OD and lock-up, up-shifts should take place, and shift points should conform to those shown in the NOTE: EVALUATION (1) If there is no 1 → 2 up-shift: • No. 2 solenoid is stuck • 1-2 shift valve is stuck (2) If there is no 2 → 3 up-shift: • No. 1 solenoid is stuck • 2-3 shift valve is stuck (3) If there is no 3 → OD up-shift (throttle valve opening 1/2): • No. 2 solenoid is stuck • 3-4 shift valve is stuck (4) If the shift point is defective: Refer to "TROUBLESHOOTING CHART" in this section. (5) If the lock-up is defective: Refer to "TROUBLESHOOTING CHART" in this section. 2) In the same manner, check the shock and slip at the 1 → 2, 2 → 3 and 3 → OD up-shifts. EVALUATION If the shock is excessive: "TROUBLESHOOTING CHART" in this section. |