
AT1–84
AT340E (2JZ–GE) AUTOMATIC TRANSMISSION – TROUBLESHOOTING
2 Check stop light signal.
ON
DLC2
TT E1
C 1. Connect a voltmeter to the terminals TT and
E1 of the DLC2.
2. Turn ignition switch ON (Do not start the en-
gine).
3. Fully depress the accelerator pedal until the
voltmeter indicates 8 V and hold it.
4. Depress and release the brake pedal and
check the voltage.
OK
Brake pedal Voltage
Depressed 0 V
Released 8 V
IG ON
8 V
Accelerator Pedal
Brake Pedal
0 V
8E3840
AT5630
AT1065
NG OK Proceed to next circuit inspection shown on
matrix chart (See page AT1–58).
3 Check harness and connector between ECM and stop light switch
(See page IN–30).
OK NG Repair or replace harness or connector
Check and replace ECM.