EPS DTC Troubleshooting: 22-01
  1. Measure the voltage between ECM connector A (49P) terminal No. 29 (L13Z1 engine model) or ECM connector A (44P) terminal No. 28 (except L13Z1 engine model) and body ground.
Is there battery voltage?
YES -
Go to Step 13 .
NO -
Check for loose terminals in the ECM connector A (49P) (L13Z1 engine model) or ECM connector A (44P) (except L13Z1 engine model), and repair if necessary. If no poor connections are found, replace the ECM: L13Z1 engine model, R18A2 engine model, K20Z4 engine model. ■