DTC Troubleshooting: U0100 (107-11)
  1. Check for continuity between ECM connector A (44P) terminal No. 36 (No. 37) * (R18A2 engine model) or ECM connector A (49P) terminal No. 3 (No. 4) * (L13Z1 engine model) and clutch actuator subharness 10P connector terminal No. 7 (No. 6) * .
    *: CANL
Is there continuity?
YES -
Update the ECM if it does not have latest software; R18A2 engine model, L13Z1 engine model. If the ECM was updated, substitute a known-good ECM; R18A2 engine model, L13Z1 engine model, and recheck. If the symptom/indication goes away with a known-good ECM, replace the original ECM; R18A2 engine model, L13Z1 engine model. ■
NO -
Repair an open in the wire between the clutch actuator subharness 10P connector and the ECM (A36 (A37) * ) (R18A2 engine model) or ECM (A3 (A4) * ) (L13Z1 engine model).■
*: CANL