Check Battery

Turn the ignition switch "ON"
Measure voltage between the battery terminal (+) and the battery terminal (-).
Specification: Above 11V
Is the measured voltage within specification?
YES
- Replace the ECM with an usable one and check for proper operation. If the problem is corrected, replace the ECM and then go to "Verification of Vehicle Repair ".
NO
- Repair relevant component (s) as necessary and then go to "Verification of Vehicle Repair "