Page text (OCR transcript)
AT1–78
AT340E (2JZ–GE) AUTOMATIC TRANSMISSION – TROUBLESHOOTING
INSPECTION PROCEDURE
1 Check throttle position signal.
P Turn ignition switch ON.
C Check voltage at the terminal TT of the DLC2
while gradually depressing the accelerator pedal
from the fully closed position to the fully opened
position.
OK Voltage changes from 0 V to 8 V by stages.
TT Terminal Voltage (V)
8
7
6
5
4
3
2
1
(Voltage)
(Close) Throttle Valve Opening Angle(Open)
Hint Do not depress the brake pedal during this test.
The voltage will stay at 0 V if depressed.
ON
DLC2
TT E1
AB0119
AT5630
NG
OK Proceed to next circuit inspection shown on
matrix chart (See page AT1–58).
2 Check throttle position sensor (See page EG–219).
OK
NG Replace throttle position sensor.
3 Check harness and connector between ECM and throttle position sen-
sor (See page IN–30).
OK
NG Repair or replace harness or connector.
Check and replace ECM.
