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ON-BOARD DIAGNOSTIC [AW6A-EL, AW6AX-EL] 05-02–73 05-02 DTC P0997[AW6A-EL, AW6AX-EL] id050211804700 Diagnostic procedure DTC P0997 Shift solenoid F range/performance (stuck) DETECTION CONDITION • Feedback current corresponding to solenoid current command value is irregular when engine is running. Diagnostic support note: • This is a continuous monitor (CCM). • The MIL illuminates if the TCM detects the above malfunction condition during the first drive cycle. • A PENDING CODE is not available. • FREEZE FRAME DATA is available. • The AT warning light illuminates. • The DTC is stored in the TCM memory. POSSIBLE CAUSE • ATF level low • Deteriorated ATF • Shift solenoid F stuck • Control valve stuck • TCM malfunction STEP INSPECTION ACTION 1 VERIFY FREEZE FRAME DATA HAS BEEN • Has the FREEZE FRAME DATA been recorded? Yes Go to the next step. No Record the FREEZE FRAME DATA on the repair order, 2 VERIFY RELATED REPAIR INFORMATION • Verify related Service Bulletins and/or on-line repair information availability. • Is any related repair information available? Yes Perform repair or diagnosis according to the available • If the vehicle is not repaired, go to the next step. No Go to the next step. 3 INSPECT ATF CONDITION • Turn the ignition switch to the LOCK position. • Inspect the ATF condition. — Clear red: Normal — Light red (pink): Water mixed in fluid — Reddish brown: Deteriorated ATF • Is it normal? (See 05-17-10 AUTOMATIC TRANSAXLE Yes Go to the next step. No If the ATF color is light red or reddish brown, replace ATF, 4 INSPECT ATF LEVEL • Start the engine. • Warm up the ATX. • Is the ATF level within the specification? (See 05-17-10 AUTOMATIC TRANSAXLE Yes Go to the next step. No Add ATF to the specified level, then go to Step 7. 5 INSPECT LINE PRESSURE • Start the engine. • Measure the line pressures. (See 05-17-3 MECHANICAL SYSTEM • Are the line pressures within the specifications? Yes Go to the next step. No • All ranges: Replace the oil pump or control valve body, then go to the next step. • Any ranges: Replace the ATX, then go the next step. (See 05-17-29 AUTOMATIC TRANSAXLE REMOVAL/ 6 INSPECT SHIFT SOLENOID • Inspect the shift solenoid. (See 05-17-20 SOLENOID VALVE • Is it normal? Yes Go to the next step. No Replace the control valve body. 7 VERIFY TROUBLESHOOTING OF DTC P0997 • Make sure to reconnect all the disconnected connectors. • Clear the DTC from the memory using the M- MDS. • Drive the vehicle in D range and make sure that gears shift smoothly from 1GR to 6GR. • Is same DTC present? Yes Replace the TCM, then go to the next step. No Go to the next step. 1871-1U-06B(05-02).fm 73 ページ 2006年3月15日 水曜日 午前11時18分 |