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.