Go to step 5.
NO -
Intermittent failure, the system is OK at this time. Check for loose or poor connections at the MICU and B-CAN connected units in the table.?
5. Check for DTCs with the HDS.
Is DTC B1000 also indicated?
YES -
Troubleshoot DTC B1000.?
NO -
Intermittent failure, the system is OK at this time. Check for loose or poor connections at the MICU and B-CAN connected units in the table.?
B1051
DTC Troubleshooting: B1051, B1052
DTC B1051:
Relay Control Module Internal Error (CPU error)
DTC B1052:
Relay Control Module Internal Error (EEPROM error)
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 B1051 or B1052 indicated?
YES -
Faulty relay control module, replace the under-hood fuse/relay box See: Maintenance/Fuses and Circuit Breakers/Fuse Block/Service and
Repair/Under-Hood Fuse/Relay Box Removal and Installation.?
