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ON-BOARD DIAGNOSTIC 05–02–40 DTC P0752 A3U050201030W20 Diagnostic procedure DTC P0752 Shift solenoid A stuck ON DETECTION CONDITION • When P0734 is not generated, and all conditions below satisfied in 1GR and 2GR. °°°° C {68 °°°° F} or above. — Engine run. P0756, P0757, P0758, P0761, P0762, P0763, P0766, P0767, P0768, P0771, P0772, P0773. Diagnostic support note: • This is a continuous monitor (CCM). • MIL illuminates if PCM detects the above malfunction conditions during two consecutive drive cycles. • PENDING CODE is available. • FREEZE FRAME DATA is available. • O/D OFF indicator light flashes. • DTC is stored in the PCM memory. POSSIBLE CAUSE • ATF level low • Deteriorated ATF • Shift solenoid A stuck • Control valve stuck • PCM malfunction STEP INSPECTION ACTION 1 VERIFY FREEZE FRAME DATA HAS BEEN • Has FREEZE FRAME PID DATA been Yes Go to next step. No Record FREEZE FRAME PID DATA on repair order, then 2 VERIFY RELATED REPAIR INFORMATION • Check for related Service Bulletins availability. • Is any related repair information available? Yes Perform repair or diagnosis according to available repair information. • If vehicle is not repaired, go to next step. No Go to next step. 3 CHECK ATF CONDITION • Turn ignition key to OFF. • Check ATF condition. • Is it okay? (See 05–17–17 Automatic Transaxle Fluid (ATF) Yes Go to next step. No If ATF color milky or reddish brown, replace ATF, then go to 4 CHECK ATF LEVEL • Start engine. • Warm up ATX. • Is ATF level within specification? (See 05–17–18 Automatic Transaxle Fluid (ATF) Yes Go to next step. No Adjust ATF level, then go to Step 7. 5 INSPECT LINE PRESSURE • Start engine. • Measure line pressure. Specification 2 , 49—66 psi} 2 , 170—190 psi} 2 , 49—66 psi} 2 , 175—196 psi} • Is line pressure within specification? (See 05–17–12 Line Pressure Test.) Yes Go to next step. No • All ranges: Replace oil pump or control valve body, then • Any ranges: Replace ATX, then go to Step 7. (See 05–17–31 AUTOMATIC TRANSAXLE (ATX) 1712-1U-01G(05-02).fm 40 ページ 2001年6月29日 金曜日 午後4時35分 |