Troubleshooting Hints
- The wiring harness may be defective (open circuit between ABS-ECU < vehicles without traction control system > or ABS/TCL-ECU < vehicles with traction control system > and ECM < M/T > or PCM < A/T >)
- The connector may be defective (poor connection of ECM < M/T > or PCM < A/T > connector and ABS-ECU < vehicles without traction control system > or ABS/TCL-ECU < vehicles with traction control system > connector)
- Power supply circuit malfunction of the ECM < M/T > or PCM < A/T >
- The ABS-ECU < vehicles without traction control system > or ABS/TCL-ECU < vehicles with traction control system > may be defective (internal open circuit)
- The ECM < M/T > or PCM < A/T > may be defective