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SYSTEM SYMPTOM TM-147 < SYMPTOM DIAGNOSIS > [TYPE 1 (4AT: RE4F03B)] C E F G H I J K L M A B TM N O P YES >> GO TO 2. NG TM-144, "Vehicle Does Not Creep Forward in "D", "2" or "1" Position" 2. CHECK A/T POSITION Check A/T position. Refer to TM-204, "Checking of A/T Position" OK or NG OK >> GO TO 3. NG >> Adjust A/T position. Refer to TM-204, "Adjustment of A/T Position" . 3. CHECK VEHICLE SPEED SENSOR·A/T AND VEHICLE SPEED SENSOR·MTR CIRCUIT Check vehicle speed sensor·A/T (revolution sensor) and vehicle speed sensor·MTR circuit. Refer to XX-XX, "*****" (type 1) or XX-XX, "*****" (type 2) and XX-XX, "*****" (type 1) or XX-XX, "*****" (type 2). OK or NG OK >> GO TO 4. NG >> Repair or replace vehicle speed sensor·A/T (revolution sensor) and vehicle speed sensor·MTR circuits. 4. CHECK ACCELERATOR PEDAL POSITION SENSOR Check accelerator pedal position sensor. Refer to (type 2). OK or NG OK >> GO TO 5. NG >> Repair or replace accelerator pedal position sensor. 5. CHECK A/T FLUID CONDITION 1. Remove oil pan. Refer to 2. Check A/T fluid condition. Refer to . OK or NG OK >> GO TO 7. NG >> GO TO 6. 6. DETECT MALFUNCTIONING ITEM 1. Remove control valve. Refer to TM-191, "Control Valve Assembly and Accumulators" . 2. Check the following items: - Shift valve A - Shift valve B - Shift solenoid valve A - Shift solenoid valve B - Pilot valve - Pilot filter 3. Disassemble A/T. Refer to 4. Check the following items: - Servo piston assembly - Brake band OK or NG OK >> GO TO 8. NG >> Repair or replace damaged parts. 7. DETECT MALFUNCTIONING ITEM 1. Remove control valve. Refer to TM-191, "Control Valve Assembly and Accumulators" . 2. Check the following items: - Shift valve A - Shift valve B - Shift solenoid valve A - Shift solenoid valve B - Pilot valve - Pilot filter |