Circuit/System Testing
- Verify that DTC P0562 is set as current.
- Ignition OFF, disconnect the harness connectors at the ECM.
- Ignition OFF, test for less than 3.0 ohms between the ground circuit terminal 1 X3 to ground.
- If greater than the specified range, test the ground circuit for an open/high resistance.
- Ignition ON, verify a test lamp illuminates between the Ignition 1 signal circuits terminal 31 X2 and terminal 47 X2 to ground.
- If the test lamp did not illuminate, test the affected Ignition 1 circuit for a short to ground or an open/high resistance.
- Ignition ON, verify a test lamp illuminates between the battery positive voltage circuit terminal 32 X2 and ground.
- If the test lamp did not illuminate, test the B+ circuit for a short to ground or an open/high resistance.
- If all circuits test normal, replace the ECM.