Toyota Hilux Surf 1993 Owner's Manual page 304

General Troubleshooting
Problem
Fluid discolored or
smells burnt
Vehicle does not
move in any forward
position or reverse
Shift lever position
incorrect
Throttle cable out of adjustment
Harsh engagement
Valve body or primary regulator faulty
into any drive position
Accumulator pistons faulty
Transmission faulty
Delayed 1–2, 2–3 or Electronic control faulty
3–0/1) up–shift, or Valve body faulty
down–shifts from Solenoid valve faulty
O/D–3 or 3–2 and
shifts back to O/D
or 3
Slips on 1–2, 2–3 or Manual linkage out of adjustment
Throttle cable out of adjustment
3–0/D up–shift, or
slips or shudders on Valve body faulty
Solenoid valve faulty
acceleration
Transmission faulty
Manual linkage out of adjustment
Drag, binding or
tie–up on 1–2, 2–3 or Valve body faulty
Transmission faulty
3–OlD up–shift
AUTOMATIC TRANSMISSION
Possible cause
Fluid contaminated
Torque converter clutch faulty
Transmission faulty
Manual linkage out of adjustment
Valve body or primary regulator faulty
Parking lock pawl faulty
Torque converter clutch faulty
Converter drive plate broken
Oil pump intake screen blocked
Transmission faulty
Manual linkage out of adjustment
Manual valve and lever faulty
Transmission faulty
– Troubleshooting (General Troubleshooting)
Remedy
Replace fluid
Replace torque converter clutch
Disassemble and inspect
transmission
Adjust linkage
Inspect valve body
Inspect parking lock pawl
Replace torque converter clutch
Replace drive plate
Clean screen
Disassemble and inspect
transmission
Adjust linkage
Inspect valve body
Disassemble and inspect
transmission
Adjust throttle cable
Inspect valve body
Inspect accumulator pistons
Disassemble and inspect
transmission
Inspect electronic control
Inspect valve body
Inspect solenoid valve
Adjust linkage
Adjust throttle cable
Inspect valve body
Inspect solenoid valve
Disassemble and inspect
transmission
Adjust linkage
Inspect valve body
Disassemble and inspect
transmission
Remark *: Refer to A340H Automatic
Transmission Repair Manual.
(Pub. No. RM271U)
AT–107
Page
AT–115
AT–162
E
AT–116
E
AT–158
AT–162
AT–162
E
E
AT–116
E
E
AT–116
E
E
E
AT–120
E
E
AT–116
AT–116
E
E
E
AT–116
E
E