|
|
ON-BOARD DIAGNOSTIC 05–02–32 DTC P0741 A3U050201030W16 Diagnostic procedure DTC P0741 Torque converter clutch (TCC) stuck OFF DETECTION CONDITION • When all conditions below satisfied. °°°° C {68 °°°° F} or above. — Driving in 4GR at D range. P0756, P0757, P0758, P0761, P0762, P0763, P0766, P0767, P0768, P0771, P0772, P0773. Diagnostic support note: • This is a continuous monitor (CCM). • MIL does not illuminate if PCM detects the above malfunction conditions during first drive cycle. • PENDING CODE is not available. • FREEZE FRAME DATA is not available. • O/D OFF indicator light flashes. • DTC is stored in the PCM memory. POSSIBLE CAUSE • ATF level low • Deteriorated ATF • Shift solenoids A, B, C, D, E, and pressure control solenoid stuck • Line pressure low • 2-4 brake band slipping • 3-4 clutch slipping • Control valve stuck. • PCM malfunction STEP INSPECTION ACTION 1 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. 2 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 3 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 6. 4 INSPECT LINE PRESSURE • Start engine. • Measure line pressure. Specification 2 , 49—66 psi} 2 , 170—190 psi} 2 , 49—66 psi} 2 , 175—169 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 6. (See 05–17–31 AUTOMATIC TRANSAXLE (ATX) 1712-1U-01G(05-02).fm 32 ページ 2001年6月29日 金曜日 午後4時35分 |