Page text (OCR transcript)
AT1–82
AT340E (2JZ–GE) AUTOMATIC TRANSMISSION – TROUBLESHOOTING
INSPECTION PROCEDURE
1 Check voltage between terminals NSW, 2, L of ECM connector and body ground.
ON
Check Harness A
ECM
L 2
A 10, 9
B 76 NSW
BE6653
G04366
P 1. Connect the Check Harness A to the ECM (See page EG–404).
2. Turn ignition switch ON.
C Measure voltage between terminals NSW, 2, L of ECM connector and body ground when the shift lever is positioned to the following positions.
OK
Position | NSW-body ground | 2-body ground | L-body ground
P, N | 3 V | Below 1.5 V | Below 1.5 V
R | 9 – 14 V* | Below 1.5 V | Below 1.5 V
D | 9 – 14 V | Below 1.5 V | Below 1.5 V
2 | 9 – 14 V | 7.5 V – 14 V | Below 1.5 V
L | 9 – 14 V | Below 1.5 V | 7.5 V – 14 V
*: The voltage will drop slighty due to lighting up of the back up light.
NG
OK Proceed to next circuit inspection shown on matrix chart (See page AT1–58).
2 Check park/neutral position switch.
4 3 2
10 9 8 6 5 X
7
G04369
P 1. Jack up the vehicle.
2. Remove park/neutral position switch (See page AT1–15).
C Check continuity between each terminal shown below when the shift lever is positioned to each position.
O——O Continuity
Terminal | 6 | 5 | 4 | 7 | 8 | 10 | 9 | 2 | 3
Shift Position
P | O–O | | O–O |
R | | | O | | | O |
N | O–O | | O–O | | O |
D | | | O | | | | | O |
2 | | | O | | | | | | O
L | | | O | | | | | | O
OK
NG Replace park/neutral position switch.
3 Check harness and connector between battery and park/neutral position switch, park/neutral position switch and ECM (See page IN–30).
OK
NG Repair or replace harness and connector.
Check and replace ECM.
