Terminals Of Ecu [12/2023 - ]
WARNING: This page is about a different car, the 2024 Lexus TX 550h+. However, it is still accessible from the selected car via links, so may be relevant.
- EV MOTOR CONTROL INVERTER ASSEMBLY
Connector Code Terminal No. Symbol Signal Name (Connection Destination) J72 1 - - 2 - - 3 - - 4 - - 5 - - 6 - - 7 - - 8 - - 9 - - 10 +BR1 Rear motor generator control ECU power source 11 +BR2 Rear motor generator control ECU power source 12 CA5H CAN communication signal 13 CA5L CAN communication signal 14 - - 15 - - 16 - - 17 - - 18 - - 19 - - 20 - - 21 - - 22 - - 23 - - 24 - - 25 DRN6 Ground for shield 26 - - 27 - - 28 - - 29 - - 30 GNR1 Ground 31 GNR2 Ground 32 HMH3 CAN communication signal 33 HML3 CAN communication signal 34 HMH4 CAN communication signal 35 HML4 CAN communication signal 36 SDNR MGR shutdown signal 37 - - 38 - - 39 - - 40 OPMR OIL PMP RR relay J75 1 ROPM Oil pump with motor assembly signal 2 - - 3 RRFG Motor resolver reference signal 4 RMTG Rear motor temperature sensor 5 RMT Rear motor temperature sensor 6 DRN7 Ground for shield 7 RNOP Oil pump with motor assembly signal 8 - - 9 RTTA Rear transmission fluid temperature sensor 10 ERTA Rear transmission fluid temperature sensor 11 RCSG Motor resolver signal 12 - - 13 RRF Motor resolver signal 14 - - 15 RCS Motor resolver signal 16 - - 17 RSNG Motor resolver signal 18 - - 19 RSN Motor resolver signal 20 - -
NOTE:
Do not measure the voltage or waveform on the sealed side of the EV motor control inverter assembly connector. Doing so may damage the connector because the connector is waterproof.