TSRM/MK4 Supra/Repair Manual
Repair ManualWiring Diagrams
p.072
ATTE/A340 Automatic Trans (GTE)73 / 118
p.074
WIRING DIAGRAM — MK4 Supra A340 Automatic Trans (GTE), page 73
100%
AT2–73 A340E (2JZ—GTE) AUTOMATIC TRANSMISSION – TROUBLESHOOTING WIRING DIAGRAM GAUGE Fuse Y ECM 4 ~ 6 V 1 3 L-R 2 L-R 5 II1 6 P 11 P 2 II1 SP1 E10 No. 1 Vehicle Speed Sensor Odometer and Trip Meter Telltale Light RH 2 E2 Speedometer FI6931 INSPECTION PROCEDURE 1 Check voltage between terminal SP1 of ECM connector and body ground. ON Check Harness A ECM V A 2 SP1 BE6653 FI6504 P 1. Shift the shift lever to N position 2. Jack up one of the rear wheels. 3. Connect the Check Harness A. See page EG–510) (1) Disconnect power steering ECU connector and cruise control ECU connector. (5) Turn ignition switch ON. C Measure voltage between terminal SP1 of ECM connector and body ground when the wheel is turned slowly. OK Voltage is generated intermittently. 4 ~ 6 V O Turn the wheel AT7809 NG OK Check and replace ECM. 2 Check operation of odometer and trip meter (telltale light RH (See page BE–48)). NG OK Repair or replace harness or connector between ECM and telltale light RH. Go to 3 .