DTC B108E:1C [Connectivity Master Unit]: Notes
DTC B108E:1C (CONNECTIVITY MASTER UNIT) DETECTION CONDITION AND POSSIBLE CAUSES
| Description |
Low power supply voltage input to center display |
| Detection condition |
- The connectivity master unit (CMU) detected any of the following conditions for 5 s or more with the ignition switched ON (engine off or on).
- TFT LCD driver voltage 3.8 V or less
- LED drive voltage 14.0 V or less
- Touch panel IC voltage 3.9 V or less
|
| Fail-safe |
- Stops operation of the center display.
|
| Possible cause |
- DTCs are stored in the PCM.
- Battery malfunction
- Generator malfunction
- Center display connector or terminal malfunction
- Center display B+ power supply circuit malfunction
- Short to ground in wiring harness between MAIN 200 A fuse and center display terminal 1H
- ROOM 15 A fuse malfunction
- MAIN 200 A fuse malfunction
- Open circuit in wiring harness between battery positive terminal and center display terminal 1H
- Center display ACC power supply circuit malfunction
- Short to ground in wiring harness between MIRROR 7.5 A fuse and center display terminal 1G
- MIRROR 7.5 A fuse malfunction
- Open circuit in wiring harness between ACC relay terminal D and center display terminal 1G
- Center display malfunction
- Connectivity master unit (CMU) malfunction
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