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AUTOMATIC TRANSMISSION – Troubleshooting <A/T> 23-22 INSPECTION PROCEDURE 10 Large shocks Probable cause Shocks accompany shifting from N → D, N → R and during each upshift and downshift. D Malfunction of direct clutch D Malfunction of brake No. 3 D Malfunction of stop lamp switch D Malfunction of inhibitor switch D Malfunction of forward clutch D Malfunction of valve body D Malfunction of A/T-ECU L : Refer to the Transmission Workshop Manual. Is there a large shock when shifting → R? Yes Check the time lag (within 2 seconds). NG Check the direct clutch clear- L Check the brake No. 3 clearance. L No OK Check each accumulator. L Is there a large shock when shifting → D? Yes MUT- II SERVICE DATA D 28 – Stop lamp switch pressed NG Inspection Procedure 16 – Stop No OK Check the kickdown cable. NG Repair OK Check each modulator valve. L Check each check ball. L Check each accumulator. L MUT- II SERVICE DATA D 37 – Inhibitor switch II display and selector lever position should match. NG Inspection Procedure 14 – Inhibi- OK Check the time lag (within 2 seconds) NG Check the forward clutch clear- L OK Check each accumulator. L Check the trouble symptoms. NG Replace the A/T-ECU. |