MICU Internal Error (EEPROM error)
NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A See: Powertrain
Management/Computers and Control Systems/Information Bus/Testing and Inspection/Component Tests and General Diagnostics/Troubleshooting
- B-CAN System Diagnosis Test Mode A.
1. Clear the DTCs with the HDS.
2. Turn the ignition switch to LOCK (0) and then back to ON (II).
3. Wait for at least 6 seconds.
4. Check for DTCs with the HDS.
Is DTC B1001 and/or B1002 indicated?
YES -
Faulty MICU, replace the under-dash fuse/relay box.?
NO -
Intermittent failure, the system is OK at this time.?
B1002
DTC Troubleshooting: B1001, B1002
DTC B1001:
MICU Internal Error (CPU error)
DTC B1002:
MICU Internal Error (EEPROM error)
NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A See: Powertrain
Management/Computers and Control Systems/Information Bus/Testing and Inspection/Component Tests and General Diagnostics/Troubleshooting
- B-CAN System Diagnosis Test Mode A.
1. Clear the DTCs with the HDS.
2. Turn the ignition switch to LOCK (0) and then back to ON (II).
3. Wait for at least 6 seconds.
4. Check for DTCs with the HDS.
Is DTC B1001 and/or B1002 indicated?
YES -
Faulty MICU, replace the under-dash fuse/relay box.?
NO -
Intermittent failure, the system is OK at this time.?
B1005
DTC Troubleshooting: B1005
DTC B1005:
MICU Lost Communication with Relay Control Module (RM Message)
NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A See: Powertrain
Management/Computers and Control Systems/Information Bus/Testing and Inspection/Component Tests and General Diagnostics/Troubleshooting
- B-CAN System Diagnosis Test Mode A.
