TSRM/MK2 Supra/Repair Manual
Repair ManualWiring Diagrams
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AT/Automatic Transmission3 / 120
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TROUBLESHOOTING (Cont'd) — MK2 Supra Automatic Transmission, page 3
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TROUBLESHOOTING (Cont'd) Problem | Possible cause | Remedy | Page Fluid discolored or smells burnt | Fluid contaminated | Replace fluid | MA-10 | Torque converter faulty | Replace torque converter | AT-103 | Transmission faulty | Disassemble and inspect transmission | AT-45 Vehicle does not move in any forward range or reverse | Manual linkage out of adjustment | Adjust linkage | AT-5 | Valve body or primary regulator faulty | Inspect valve body | AT-83 | Park lock pawl faulty | Inspect park pawl | AT-37 | Torque converter faulty | Replace torque converter | AT-103 | Converter drive plate broken | Replace drive plate | AT-44 | Oil pump intake screen blocked | Clean screen | AT-28 | Transmission faulty | Disassemble and inspect transmission | AT-45 Shift lever position incorrect | Manual linkage out of adjustment | Adjust linkage | AT-5 | Manual valve and lever faulty | Inspect valve body | AT-83 | Transmission faulty | Disassemble and inspect transmission | AT-45 Harsh engagement into any drive range | Throttle cable out of adjustment | Adjust throttle cable | AT-5 | Valve body or primary regulator faulty | Inspect valve body | AT-83 | Accumulator pistons faulty | Inspect accumulator pistons | AT-112 | Transmission faulty | Disassemble and inspect transmission | AT-45 Delayed 1-2, 2-3 or 3-OD up shift, or down-shifts from 4-3 or 3-2 then shifts back to 4 or 3 | Electric control faulty | Inspect electric control | AT-6 | Valve body faulty | Inspect valve body | AT-83 | Solenoid valve faulty | Inspect valve body | AT-83 Slips on 1-2, 2-3 or 3-OD up shift, or slips or shudders on take-off | Manual linkage out of adjustment | Adjust linkage | AT-5 | Throttle cable out of adjustment | Adjust throttle cable | AT-5 | Valve body faulty | Inspect valve body | AT-83 | Solenoid valve faulty | Inspect valve body | | Transmission faulty | Disassemble and inspect transmission | AT-45