DTC 08

DTC 8: High Voltage Detection Signal Circuit Problem
1. Reset the MCM.
2. Turn the ignition switch ON (II).
Is DTC 8 indicated ?
YES- Go to step 3.
NO- Intermittent failure, system is OK at this time. Check for poor connections or loose terminals at the battery module and at the MCM.
3. Turn the ignition switch OFF.
4. Turn the battery module switch OFF.
5. Remove the IPU lid.





6. Connect the voltmeter positive probe to MCM connector terminal E8, and connect the negative probe to MCM connector terminal E4. Turn the battery module switch ON.
Is there more than 100 V?
YES- Substitute a known-good MCM and recheck. If the symptom/indication goes away, replace the original MCM.
NO- Replace the battery module.