
AT2–52
A340E (2JZ—GTE) AUTOMATIC TRANSMISSION – TROUBLESHOOTING
0 – 245 kPa
(0 – 2.5 kgf/cm², 0 – 36 psi)
Press firmly on the brake pedal
Fully apply the parking brake
SST
Not Ground
ECM
Ground
0 kg/cm²
RPM
Idling
SST
AT5459
Z09091
SPECIFIED ACCUMULATOR BACK PRESSURE (D position, Idling)
Condition of ECM terminal SLN | Not ground | Ground
Accumulator back pressure kPa (kgf/cm², psi) | 177–255 (1.8–2.6, 26–37) | 0
EVALUATION
Problem | Possible cause
The accumulator back pressure is not as specified (high or low) when the terminal SLN is not ground. | Throttle cable out of adjustment
Throttle valve defective
Solenoid modulator valve defective
SLN solenoid valve defective
Accumulator control valve defective
The accumulator back pressure does not become 0 kgf/cm² when the terminal SLN is grounded. | SLN solenoid valve defective