Page text (OCR transcript)
AT1–58
AT340E (2JZ–GE) AUTOMATIC TRANSMISSION – TROUBLESHOOTING
Chapter 1. Electronic Circuit
See Page
Suspect Area
Symptom
AT1-66
No.1 Vehicle speed sensor circuit
AT1-69
No.2 Vehicle speed sensor circuit
AT1-72
No.1, No.2 Solenoid circuit
AT1-75
SL Solenoid circuit
AT1-77
Throttle position sensor circuit
AT1-81
Park/neutral position switch circuit
AT1-79
kick-down switch circuit
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 6
2nd → 3rd 3 4 1 2 6
3rd → O/D 3 4 2 5 6
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 7
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 1
Up–shifts to O/D from 3rd while O/D switch is OFF
Up–shifts to O/D from 3rd while engine is cold 3
Harsh engagement
N → D 1 3 4
Lock–up 3 4 1 2
Any driving position 4 5 1 3
Slip or Shudder
Forward and reverse
Any particular position
No engine braking
Poor acceleration 3 4 6 2 1
No kick–down 3 4 2 1
No pattern select*
Large shift shock or engine stalls when starting off or stopping. 1
* The automatic transmission is not shifted into the manual mode when the automatic transmission fluid temperature is too high.
