
AT2–104
A340E (2JZ—GTE) AUTOMATIC TRANSMISSION – TROUBLESHOOTING
INSPECTION PROCEDURE
1 Check operation of stop light.
C Check if the stop lights go on and off normally when the brake pedal is depressed and released.
OK
NG Check and repair stop light circuit.
2 Check stop light signal.
ON
DLC2
TT
E1
IG ON
8 V
Accelerator Pedal
Brake Pedal
0 V
8E3B40
AT5630
AT1085
C 1. Connect the voltmeter to the terminals TT and E1 of the DLC2.
2. Turn ignition switch ON.
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
NG
OK Proceed to next circuit inspection shown on matrix chart (See page AT2–64).
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.