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Home >> Toyota >> 1998 >> Supra 3.0 D >> Repair and Diagnosis >> Brakes >> Traction Control >> Abs/Traction Control System >> Circuit Tests >> Tc TERMINAL CIRCUIT

Tc TERMINAL CIRCUIT

  1. Turn ignition on. Check voltage between terminals Tc and E1 of DLC1 or DLC2. If 10-14 volts exists, go to next test or procedure in TROUBLE SHOOTING. If 10-14 volts does not exist, go to next step.
  2. Check for open or short in wiring between Tc terminals of DLC1/DLC2 and throttle control ECU connector T16 terminal No. 3. Check for open or short on wiring between E1 terminals of DLC1/DLC2 and ground. See appropriate wiring diagram under WIRING DIAGRAMS. Repair if necessary. If no problems are found, check throttle control ECU. See THROTTLE CONTROL ECU PIN VOLTAGE TESTS under PIN VOLTAGE . Replace ECU if necessary.