Toyota 4-Runner 1985 Repair Manual page 410

AT-8
AUTOMATIC TRANSMISSION - Test
3. MEASURE LINE PRESSURE
(a) Fully apply the parking brake and chock
the four wheels.
(b) Start the engine and shift into "0" range.
(c) Step down strongly on the brake pedal
with your left foot and, while manipulat-
ing the accelerator pedal with the right
foot, measure the line pressures at the
engine speeds specified in the table
below.
(d) In the same manner, perform the test in
"R" range.
[22R Engine]
Engine
Line pressure
kg/cm2 (psi, kPa)
speed
"0" range "R" range
Idling
3.5 - 4.4 5.0 - 6.4
(50-63, 343-431) (71-91, 490-628)
Stall
9.6 - 11.0 13.7 - 17.0
(137-156, 941-1,079) (195-242,1,344-1,667)
[22R-E Engine]
Engine
Line pressure
kg/cm2 (psi, kPa)
speed
"0" range "R" range
Idling
4.6 - 5.4
7.0 - 8.2
(65-77, 451-530) (100-117,686-804)
Stall
10.1 - 11.9 15.0 - 19.0
(144-169, 990-1,167) (213-270,1,471-1,863)
(e) If the measured pressures are not up to
specified values, recheck the throttle
cable adjustment and retest.
EVALUATION
(a) If the measured values at all ranges are
higher than specified:
• Throttle cable out-of-adjustment
• Throttle valve defective
• Regulator valve defective
(b) If the measured values at all ranges are
lower than specified:
• Throttle cable out-of-adjustment
• Throttle valve defective
• Regulator valve defective
• Oil pump defective
• 00 clutch defective
(c) If pressure is low in "0" range only:
• "0" range circuit fluid leakage
• Front clutch defective
• 00 clutch defective
(d)
If pressure is low in IIR" range only:
• I'R" range circuit fluid leakage
• Rear clutch defective
• Brake No.3 defective
• 00 clutch defective
TE0012