DTC 11
DTC 11: Motor Driver Module (MCM) Voltage Signal Circuit High Input1. Reset the MCM.
2. Turn the ignition switch ON (II).
Is DTC 11 indicated?
YES- Go to step 3.
NO- Intermittent failure, system is OK at this time. Check for poor connections or loose terminals at the voltage converter module and at the MCM.
3. Turn the ignition switch OFF.
4. Turn the battery module switch OFF.
5. Remove the IPU lid.
6. Turn the ignition switch ON (II).
7. Measure voltage between MCM connector terminals D14 and B19.
Is there about 5 V?
YES- Go to step 8.
NO- Substitute a known-good MCM and recheck. If the symptom/indication goes away, replace the original MCM.
8. Measure voltage between the power converter wire harness 24P connector terminals No. 15 and No. 21.
Is there about 5 V?
YES- Go to step 9.
NO- Repair open in the wire between the MCM (B19) and the voltage converter module.
9. Turn the ignition switch OFF.
10. Check for continuity between the power converter wire harness 24P connector terminal No. 15 and the voltage converter module 16P connector terminal No. 1.
Is there continuity?
YES- Replace the voltage converter module and the MPI module.
NO- Repair open in wire between the voltage converter module and the power converter wire harness 24P connector.