Toyota Hilux Surf 1993 Owner's Manual page 372

General Troubleshooting (Cont'd)
Problem
No lock–up in 2nd,
3rd or O/D
Harsh down–shift
No down–shift when
coasting
Down–shift occurs
too quickly or too
late while coasting
No O/D–3, 3–2 or 2–1
kick–down
No engine braking in
2 or L position
Vehicle does not hold
in P
No H2–H4, H4–L4,
L4–H4 or H4–H2
change gear position
of transfer
AUTOMATIC TRANSMISSION
Possible cause
Electronic control faulty
Valve body faulty
Solenoid valve faulty
Transmission faulty
Throttle cable out of adjustment
Throttle cable and cam faulty
Accumulator pistons faulty
Valve body faulty
Transmission faulty
Valve body faulty
Solenoid valve faulty
Electronic control faulty
Throttle cable faulty
Valve body faulty
Transmission faulty
Solenoid valve faulty
Electronic control faulty
Solenoid valve faulty
Electronic control faulty
Valve body faulty
Solenoid valve faulty
Electronic control faulty
Valve body faulty
Transmission faulty
Manual linkage out of adjustment
Parking lock pawl cam and spring faulty
Transfer linkage out of adjustment
Transfer faulty
– Troubleshooting (General Troubleshooting)
Remedy
Inspect electronic control
Inspect valve body
Inspect solenoid valve
Disassemble and inspect
transmission
Adjust throttle cable
Inspect throttle cable and cam
Inspect accumulator pistons
Inspect valve body
Disassemble and inspect
transmission
Inspect valve body
Inspect solenoid valve
Inspect electronic control
Inspect throttle cable
Inspect valve body
Disassemble and inspect
transmission
Inspect solenoid valve
Inspect electronic control
Inspect solenoid valve
Inspect electronic control
Inspect valve body
Inspect solenoid valve
Inspect electronic control
Inspect valve body
Disassemble and inspect
transmission
Adjust linkage
Inspect cam and spring
Adjust linkage
Disassemble and inspect
transfer
Remark : Refer to A340F Automatic
L
Transmission Repair Manual.
(Pub. No. RM271 U )
AT–175
Page
AT–184
L
AT–193
L
AT–182
AT–182
L
L
L
L
AT–193
AT–184
AT–1 82
L
L
AT–193
AT–184
AT–193
AT–184
AT–193
AT–184
L
L
AT–188
AT–208
AT–182
L