Navigation Unit Inputs and Outputs

Navigation Unit Connector F (3P)

Terminal Number
Wire Color
Terminal Name
Description
Voltage (about)
Symptom
1
BLK
SIG (FM)
RDS TMC signal (5V in, RDS-TMC signal out)
———
If open: Poor traffic message channel reception or interference.
If short to body ground: Same as open.
2
———
SH (FM)
Ground for RDS TMC signal
———
If open: Poor traffic message channel reception or interference.
If short to body ground: No effect on system.