Multiplex Integrated Control System DTC Troubleshooting Index

Multiplex Integrated Control System DTC Troubleshooting Index

NOTE: Record all DTCs, and sort them by DTC type using the following DTC troubleshooting indexes, then troubleshoot the DTC(s) in this order.

- Battery voltage DTCs
- Internal error DTCs
- Loss of communication DTCs (beginning with the lowest number first; for example, if B1008 and B1011 are retrieved, troubleshoot B1008 first).
- Signal error DTCs

MICU





Gauge Control Module





HandsFreeLink Control Unit





Immobilizer-Keyless Control Unit