AT2–95 A340E (2JZ—GTE) AUTOMATIC TRANSMISSION – TROUBLESHOOTING DTC 89 TRAC ECU Circuit — CIRCUIT DESCRIPTION — When the transmission is in the shift up or stall condition, the TRAC ECU sends a sub–throttle valve close signal to the sub–throttle actuator. DTC No. | Diagnostic Code Detection Condition | Trouble Area 89 | All conditions below are detected 5 secs. or more. (a) No.1 vehicle speed sensor: 9 km/h (5.6 mph) or more (b) Mirror check of TRAC ECU input signal is abnormal. (c) TRAC ECU input signal does not inform to ECM. (d) TRAC ECU input signal order is abnormal. | Harness or connector between TRAC ECU and ECM TRAC ECU — WIRING DIAGRAM — TRAC ECU 9 T10 W-R 13 E10 TRC- 2 T10 O 14 E10 TRC+ 3 T10 B 27 E10 EFI+ 8 T10 W 26 E10 EFI- ECM B+ B+ B+ B+ G04342