TSRM/MK2 Supra/Repair Manual
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AT/Automatic Transmission — Troubleshooting (Cont'd), page 4

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Troubleshooting (Cont'd) — MK2 Supra Automatic Transmission, page 4
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Page text (OCR transcript)
TROUBLESHOOTING (Cont'd)

Problem | Possible cause | Remedy | Page

Drag, binding or tie-up on 1-2, 2-3 or 3-OD up-shift | Manual linkage out of adjustment | Adjust linkage | AT-5
 | Valve body faulty | Inspect valve body | AT-83
 | Transmission faulty | Disassemble and inspect transmission | AT-45

No Lock-up in 2nd, 3rd or OD | Electric control faulty | Inspect electric control | AT-6
 | Valve body faulty | Inspect valve body | AT-83
 | Solenoid valve faulty | Inspect valve body | AT-83
 | Transmission faulty | Disassemble and inspect transmission | AT-45

Harsh down-shift | Throttle cable out of adjustment | Adjust throttle cable | AT-5
 | Throttle cable and cam faulty | Inspect throttle cable and cam | AT-37
 | Accumulator pistons faulty | Inspect accumulator pistons | AT-112
 | Valve body faulty | Inspect valve body | AT-83
 | Transmission faulty | Disassemble and inspect transmission | AT-45

No down-shift when coasting | Valve body faulty | Inspect valve body | AT-83
 | Solenoid valve faulty | Inspect solenoid valve | AT-19
 | Electric control faulty | Inspect electric control | AT-6

Down-shift occurs too quickly or late while coasting | Throttle cable faulty | Inspect throttle cable | AT-37
 | Valve body faulty | Inspect valve body | AT-83
 | Transmission faulty | Disassemble and inspect transmission | AT-45
 | Solenoid valve faulty | Inspect solenoid valve | AT-19
 | Electric control faulty | Inspect electric control | AT-6

No, OD-3, 3-2 or 2-1 kickdown | Solenoid valve faulty | Inspect solenoid valve | AT-19
 | Electric control faulty | Inspect electric control | AT-6
 | Valve body faulty | Inspect valve body | AT-83

No engine braking in "2" or "L" range | Solenoid valve faulty | Inspect solenoid valve | AT-19
 | Electric control faulty | Inspect electric control | AT-6
 | Valve body faulty | Inspect valve body | AT-83
 | Transmission faulty | Disassemble and inspect transmission | AT-45

Vehicle does not hold in "P" | Manual linkage out of adjustment | Adjust linkage | AT-5
 | Parking lock pawl cam and spring faulty | Inspect cam and spring | AT-37