Set the parking brake and block the front wheels. Connect a tachometer to the engine and start the engine. Make sure the A/C switch is OFF. After the engine has warmed up to normal operating temperature (the radiator fan comes on), shift to 2.gif position. Fully press the brake pedal and accelerator for 6 to 8 seconds and note engine speed. Do not move the shift lever while raising engine speed. Allow 2 minutes for cooling, then repeat the test in , and positions. NOTE: Do not test stall speed for more than 10 seconds at a time. Stall speed tests should be used for diagnostic purposes only. Stall speed should be the same in , , and positions. Do not test stall speed with the A/T pressure gauges installed. position is applied to 7-position transmission. Stall Speed rpm: D14Z5 engine: Specification: 2,550 rpm (min -1) Service Limit: 2,400-2,700 rpm (min -1) D15Y2, D15Y3, D15Y5 and D15Y6 engines: Specification: 2,650 rpm (min -1) Service Limit: 2,500-2,800 rpm (min -1) D16W7, D16W8, D16V2, D17A1, D17A2, D17A3, D17A4, D17A5 and D17Z1 engines: Specification: 2,800 rpm (min -1) Service Limit: 2,650-2,950 rpm (min -1)

If the measurements are out of the service limit, problems and probable causes are listed in the table below: Problem Probable cause Stall speed rpm high in , , and positions Low fluid level or ATF pump output low Clogged ATF strainer Pressure regulator valve stuck closed Slipping clutch Stall speed rpm high in position Slippage of 1st clutch Stall speed rpm high in position Slippage of 2nd clutch Stall speed rpm high in position Slippage of 4th clutch Stall speed rpm low in , , and positions Engine output low Torque converter one-way clutch slipping