DTC B1062 or DTC B1063: Relay Control Module Lost Communication with Combination Switch Control Unit (HLSW or 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 DTC B1062 and/or B1063 indicated?
- YES - Go to step 5.
- NO - Intermittent failure, the communication line is OK at this time. Check for loose or poor connection between the relay control module and the combination switch control unit.
- Check for DTCs with the HDS.
B1062: Are DTC B1007, and B1155 also indicated? B1063: Is DYC B1156 also 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 ).