SEAT Workshop Service and Repair Manuals > Leon Mk2 > Vehicle electrics | Communication | Infotainment | Self-diagnosis for the communication systems | Self-diagnosis for radio/navigation system with monochrome display ? 05.00 | Display and evaluation of individual values in display group 004:

Display and evaluation of individual values in display group 004:

Display group 004
Read measured value block 4			→	Indicated on display
xxx	xxx	xxx	xxx
1	2	3	4	Display zones	Target value	Evaluation
				Status of telephone mute	“On” or “off”	See table below
			Telephone		“Telephone”
		empty → Note
	Status of control output active amplifier (DSP)				“0”

¹⁾	here, 'empty' means that there is nothing in the display zone

Display zone

Designation

Display contents

Fault elimination

Status of control output active amplifier (DSP)

Control output is OK = Display “0”
Control output is not OK = Display “1”

–	Visual check of wiring

–	Check electrical connections of relevant circuit to ensure they are securely and correctly connected, and monitor display at the same time

–	If the display contents do not change upon operation, rectify the fault or renew the relevant component

–	Perform a function test

–	Interrogate the fault memory again

None

Telephone

“Telephone”

Status of telephone mute (pin 2 of multi-pin connector III)

Input is active = Display “on”
Input is inactive = Display “off”

²⁾	here, 'empty' means that there is nothing in the display zone