1986 TOYOTA CAMRY V20 Service Information

compression ratio spark plugs fuel cap release AUX low oil pressure drain bolt

Page 441 of 2389

TOYOTA CAMRY V20 1986 Service Information TROUBLESHOOTING (A540E, A540H)
Basic Troubleshooting
Before troubleshooting an ECT, first determine whether the problem is electrical or mechanical.
To do this, just refer to the basic troubleshooting

Page 442 of 2389

TOYOTA CAMRY V20 1986 Service Information Shift cable out of adjustment
Valve body or primary regulator
faulty
Parking lock pawl faulty
Torque converter faulty
Converter drive plate broken
Oil pump intake screen blocked
Transaxle faulty
Shift

Shift cable out of adjustment
Valve body or primary regulator
faulty
Parking lock pawl faulty
Torque converter faulty
Converter drive plate broken
Oil pump intake screen blocked
Transaxle faulty
Shift cable out of adjustment
Throttle cable out of adjustment
Valve body faulty
Solenoid valve faulty
Transaxle faulty Throttle cable out of adjustment
Valve body or primary regulator faulty
Accumulator pistons faulty
Transaxle faultyInspect parking lock pawl
Replace torque converter
Replace drive plate
Clean screen
Disassemble and inspect
transaxle
Adjust shift cable
Adjust throttle cable
Inspect valve body
Inspect solenoid valve
Disassemble and inspect
transaxle Delayed 1±2, 2±3 or
3±O/D up±shift, or
down±shifts from
O/D±3 or 3±2 and
shifts back to O/D or 3Replace fluid
Replace torque converter
Disassemble and inspect
transaxle
Adjust shift cable
Inspect valve body
Disassemble and inspect
transaxle
Adjust shift cable
Inspect valve body
Disassemble and inspect
transaxle Shift cable out of adjustment
Valve body faulty
Transaxle faultyShift cable out of adjustment
Manual valve and lever faulty
Transaxle faulty
Inspect electronic control
Inspect valve body
Inspect solenoid valveInspect accumulator pistons
Disassemble and inspect
transaxle
General Troubleshooting
Electronic control faulty
Valve body faulty
Solenoid valve faultyFluid contaminated
Torque converter faulty
Transaxle faulty
Slips on 1±2, 2±3
or
3±O/D up±shift, or
slips or shudders
on accelerationVehicle does not move in
any forward range or
reverse
Drag, binding or tieup on
1±2, 2±3 or 3±
O/D up±shiftHarsh engagement into
any drive range
AT±201
AT±201
AT±308
AT±218
AT±236 Adjust throttle cable
Inspect valve body
AT±219 Adjust shift cable
Inspect valve body
Shift lever position
incorrect Fluid discolored
or smells burntAT±200
AT±381
AT±236
AT±203
AT±308
AT±218AT±201
AT±308
AT±236
AT±201
AT±308
AT±236AT±219 AT±201
AT±308AT±392
AT±381AT±201
AT±308
AT±403
AT±236 Possible cause
Problem
Remedy
1± AT±236A540 H A540EPage
± AUTOMATIC TRANSAXLETroubleshooting (Basic Troubleshooting) (A540E and
A540H)AT±187

Page 443 of 2389

TOYOTA CAMRY V20 1986 Service Information Throttle cable out of adjustment
Throttle cable and cam faulty
Accumulator pistons faulty
Valve body faulty
Transaxle faultyAdjust throttle cable
Inspect throttle cable and cam
Inspect accumulator pis

Throttle cable out of adjustment
Throttle cable and cam faulty
Accumulator pistons faulty
Valve body faulty
Transaxle faultyAdjust throttle cable
Inspect throttle cable and cam
Inspect accumulator pistons
Inspect valve body
Disassemble and inspect
transaxle
General Troubleshooting (Cont'd)
Inspect throttle cable
Inspect valve body
Disassemble and inspect
transaxle
Inspect solenoid valve
Inspect electronic control
Inspect electronic control
Inspect valve body
disassemble and inspect
transfer
Disassemble and inspect
center differential clutch Inspect solenoid valve
Inspect electronic control
Inspect valve body
Disassemble and inspect
transaxle Inspect electronic control
Inspect valve body
Inspect solenoid valve
Disassemble and inspect
transaxle
Solenoid valve faulty
Electronic control faulty
Valve body faulty
Transaxle faulty Electronic control faulty
Valve body faulty
Solenoid valve faulty
Transaxle faulty
Shift cable out of adjustment
Parking lock pawl and spring faultyInspect solenoid valve
Inspect electronic control
Inspect valve body Inspect valve body
Inspect solenoid valve
Inspect electronic control
Solenoid valve faulty
Electronic control faulty
Valve body faulty
Electronic control faulty
Valve body faulty
Transfer faulty Valve body faulty
Solenoid valve faulty
Electronic control faulty
Throttle cable faulty
Valve body faulty
Transaxle faulty
Solenoid valve faulty
Electronic control faulty Down±shift occurs too
quickly or too late while
coasting
Adjust shift cable
Inspect cam and spring No down±shift when
coasting
Hydraulic multiplate clutch faultyAT±218
AT±203
AT±308
AT±236 AT±203
AT±308
AT±218
AT±236
AT±219

No engine braking in 2
or L range No lock±up in 2nd,
3rd or O/D
No center differential
Control No O/D±3, 3±2
or
2±1 kick±down

AT±219

Vehicle does not hold
in P rangeAT±308
AT±218
AT±203
AT±218
AT±203
AT±308 AT±201
AT±308
AT±236 AT±403
AT±308
AT±236
AT±203
AT±368
AT±343 AT±219

AT±219
Harsh down±shift
AT±201
AT±392 AT±201
AT±201
AT±218
AT±203AT±219
Possible cause
ProblemRemedy
AT±335 A540H
A540EPage
± AUTOMATIC TRANSAXLETroubleshooting (Basic Troubleshooting) (A540E and
A540H)AT±188

Page 444 of 2389

TOYOTA CAMRY V20 1986 Service Information ( ) 1: No fail±safe function X: Malfunctions
HINT: (A540H) When any one of the speed sensors (front or rear) or center differential control sole-
noid valves (No. 1 or No. 2) malfunction, the ECT EC

Page 445 of 2389

TOYOTA CAMRY V20 1986 Service Information Diagnosis System
DESCRIPTION
1. A self±diagnosis function is. built into the electrical control
system. Warning is indicated by the overdrive OFF indicator.
HINT: Warning and diagnostic codes can be

Page 446 of 2389

TOYOTA CAMRY V20 1986 Service Information wn the event of a malfunction, the light will blink once
every 0.5 seconds. The number of blinks will equal
the first number and, after 1.5 seconds pause, the
second number of the two digit diagnostic

Page 447 of 2389

TOYOTA CAMRY V20 1986 Service Information AT4B
HINT: If codes 62, 63, 64, 73 or 74 appear, there is an electrical malfunction in the solenoid.
Causes due t mechanical failure, such as a stuck valve, will not appear.
If codes 44 and 61 appear

Page 448 of 2389

TOYOTA CAMRY V20 1986 Service Information CANCEL OUT DIAGNOSTIC CODE
1. After repair of the trouble area, the diagnostic code
retained in memory by the Engine and ECT ECU (A540E)
or ECT ECU (A540H) must be canceled by removing the fuse EFI
(1

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