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TROUBLE DIAGNOSIS AT-51 D E F G H I J K L M A B AT
2005 Pathfinder 7. Move the selector lever to the “N” position. 8. Cool down the ATF. CAUTION: Run the engine at idle for at least one minute. 9. Repeat steps 5 through 8 with selector lever in “3”, “2”, “1” and “R” positions. Judgement of Stall Test O: Stall speed within standard value position Stall test standard value position LINE PRESSURE TEST Line Pressure Test Procedure 1. Inspect the amount of engine oil and replenish if necessary. 2. Drive the car for about 10 minutes to warm it up so that the ATF reaches in range of 50 to 80 ° C (122 to 176 ° F), then inspect the amount of ATF and replenish if necessary. NOTE: ° C (122 to 176 ° F) during 10 minutes of driving. Selector lever position Expected problem location D, 3, 2, 1 R Stall rotation H O ● Forward brake ● Forward one-way clutch ● 1st one-way clutch ● 3rd one-way clutch O H ● Reverse brake L L ● Engine and torque converter one-way clutch H H ● Line pressure low Does not shift-up D position 1 → 2 Slipping in 2nd, 3rd, 4th gears Direct clutch slippage Does not shift-up D position 2 → 3 Slipping in 3rd, 4th, 5th gears High and low reverse clutch slippage Does not shift-up D position 3 → 4 Slipping in 4th, 5th gears Input clutch slippage Does not shift-up D position 4 → 5 Slipping in 5th gear Front brake slippage SCIA2187E |