DTC B1062: Relay Control Module Lost Communication with Combination Switch Control Unit (HLSW Message); DTC B1063: Relay Control Module Lost Communication with Combination Switch Control Unit (WIPSW Message)
NOTE:
If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A (see
TROUBLESHOOTING - B-CAN SYSTEM DIAGNOSIS TEST MODE A
).
- Clear the DTCs with the HDS.
- Turn the ignition switch OFF, and then back ON (II).
- Wait for 6 seconds or more.
- Check for DTCs with the HDS.
Is DTCs B1062 and/or B1063 indicated?
YES - Go to step 5.
NO - Intermittent failure, the system is OK at this time. Check for loose or poor connections between the relay control module and the combination switch control unit.
- Check for DTCs with the HDS.
Are DTCs B1007, B1155, B1156, and B2108 all indicated?
YES - Do the combination switch control unit input test (see COMBINATION SWITCH CONTROL UNIT INPUT TEST ).
NO - Do the relay control module input test (see RELAY CONTROL MODULE INPUT TEST ).