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ON-BOARD DIAGNOSTIC [AW6A-EL, AW6AX-EL] 05-02–57 05-02 End Of Sie DTC P0978[AW6A-EL, AW6AX-EL] id050211803800 5 INSPECT TERMINAL SHIFT SOLENOID B FOR • Disconnect the shift solenoid B connector. • Inspect for poor connection (such as damaged/ pulled-out pins, corrosion). • Are terminals normal? Yes Go to the next step. No Replace the couple component, then go to Step 8. 6 INSPECT TERMINAL COUPLE COMPONENT • Inspect for continuity between couple component terminal B2 (wiring harness-side) • Is there continuity? Yes Go to the next step. No Repair or replace the couple component, then go to Step 8. 7 INSPECT TERMINAL COUPLE COMPONENT • Inspect for continuity between couple component terminal B2 and all terminals • Is there continuity? Yes Repair or replace the couple component, then go to the No Replace the control valve body, then go to the next step. 8 VERIFY TROUBLESHOOTING OF DTC P0977 • Make sure to reconnect all the disconnected connectors. • Clear the DTC from the memory using the WDS or equivalent. • 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. 9 VERIFY AFTER REPAIR PROCEDURE • Perform the “After Repair Procedure”. (See 05-02-4 AFTER REPAIR • Are any DTCs present? Yes Go to the applicable DTC inspection. No DTC troubleshooting completed. STEP INSPECTION ACTION DTC P0978 Shift solenoid C 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 C stuck • Control valve stuck • TCM malfunction 1871-1U-06B(05-02).fm 57 ページ 2006年3月15日 水曜日 午前11時18分 |