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GENERAL INFORMATION 00-00–11 00-00 Using the symptom troubleshooting • Symptom troubleshooting shows diagnostic procedures, inspection methods, and proper action to be taken for each trouble symptom. End Of Sie NG: GENERAL INFORMATION TROUBLE SYMPTOM 14 Engine flares up or slips when upshifting or down shifting DESCRIPTION POSSIBLE When accelerator is depressed while driving, engine speed increases but vehicle not. There is clutch slip because clutch is stuck or line pressure is low. Clutch stuck, slippage (forward clutch, 3-4 clutch, 2-4 brake band, one-way clutch 1, one-way clutch 2) Line pressure low Malfunction or mis-adjustment of TP sensor Malfunction of VSS Malfunction of input/turbine speed sensor Malfunction of sensor ground Malfunction of TCC solenoid valve Malfunction of throttle cable Malfunction of throttle valve body Poor operating of mechanical pressure Selector lever position disparity TR switch position disparity Note Diagnostic procedure STEP INSPECTION ACTION Is line pressure okay? Yes Yes Yes 2 Is shift point okay? (See 05-17-5 ROAD TEST) 3 Stop engine and turn ignition switch on. Is operating sound of shift solenoids heard? Go to next step. No No No Go to next step Go to symptom troubleshooting No.9 "Abnormal shift". (See ATX Workshop Manual GF4A-EL (1666-1A-99F)) Inspect for shift solenoid mechanical stuck. 4 Verify test results. If okay, return to diagnostic index to service any additional symptoms. If vehicle is repaired, troubleshooting completed. 1 DESCRIPTION POSSIBLE STEP shows Reference Reference How to When accelerator pedal is depressed for driveway, engine speed increase but vehicle speed increase Before following troubleshooting steps, make sure that Automatic Transaxle On-board Diagnostic and If vehicle is not repaired or additional diagnostic information is not available, replace or reprogram PCM. If malfunction remains, inspect related Service Bulletins and/or On-line Repair Information and perform repair or If shift solenoids are okay, inspect for open or short Inspect for bend, damage, corrosion or loose (See 05-17-15 AUTOMATIC TRANSAXLE If problem remains, replace or overhaul transaxle and Overhaul control valve body and repair or replace any Repair or replace any defective parts according to Simulate SHIFT A, SHIFT B and SHIFT C PIDs ACTION INSPECTION Connect diagnostic tool to DLC-2. acxuuw00000449 |