Page text (OCR transcript)
AT2–64
A340E (2JZ—GTE) AUTOMATIC TRANSMISSION – TROUBLESHOOTING
Chapter 1. Electronic Circuit
See Page
AT2–72
AT2–75
AT2–79
AT2–82
AT2–85
AT2–89
AT2–97
Suspect Area
No.1 Vehicle speed sensor circuit
No.4 solenoid circuit
No.2 Vehicle speed sensor circuit
No.1, No.2 solenoid circuit
No.3 solenoid circuit
O/D direct clutch speed sensor circuit
(Sub)–throttle position sensor circuit
Symptom
Vehicle does not move in any forward position and reverse position
Vehicle does not move in particular position or positions
No up–shift
1st → 2nd 3 4 1 2
2nd → 3rd 3 4 1 2
3rd → O/D 3 4 2 5
No down–shift
O/D → 3rd 3 4 1 2
3rd → 2nd 3 4 1 2
2nd → 1st 3 4 1 2
No lock–up 3 4 1 2
No lock–up off 3 4 1 2
Shift point too high or too low 3 4 1
Up–shifts to 2nd while in L position
Up–shifts to 3rd while in L position
Up–shifts to O/D from 3rd while O/D switch is OFF
Up–shifts to O/D from 3rd while engine is cold
Harsh engagement
N → D 3 1 4 5
Lock–up 3 4 1 2
Any driving position 6 3 7 1 4 5
Slip or Shudder
Forward and reverse
Any particular position
No engine braking
Poor acceleration 4 5 6 7 3
No kick–down 3 4 2
*No pattern select
Large shift shock or Engine stalls when starting off or stopping. 1
* The automatic transmission in not shifted into the manual mode when the automatic transmission fluid temperature is too high.
