DTC 45 Or 46: Main Throttle Position Sensor Circuit (GS300): Notes

CAUTION: If ECU replacement is instructed in following testing, always ensure ECU connectors and ground circuit are okay. If either are suspect, repair and repeat testing to confirm ECU malfunction.

NOTE: For connector terminal identification, see CONNECTOR IDENTIFICATION . For wiring diagram, see appropriate wiring diagram in WIRING DIAGRAMS .