C1D19, C1D20 MODE SWITCH

Bilstein DampTronic

C1D19 C1D20

Description

The set-up switch (suspension) can be switched to R mode, SPORT mode, or COMFORT mode manually.

DTC DETECTION LOGIC

DTC	Display Item	Malfunction detected condition	Possible causes
C1D19	MODE SW UP	An open or short circuit occurs within the set-up switch (suspension) circuit. A malfunction occurs in the power supply for the set-up switch (suspension).	Harness or connector Internal malfunction of the set-up switch (suspension) E-SUS control unit
C1D20	MODE SW DOWN	An open or short circuit occurs within the set-up switch (suspension) circuit. A malfunction occurs in the power supply for the set-up switch (suspension).	Harness or connector Internal malfunction of the set-up switch (suspension) E-SUS control unit

DTC REPRODUCTION PROCEDURE

1.DTC REPRODUCTION PROCEDURE

1.CHECK SET-UP SWITCH (SUSPENSION)

2.CHECK SET-UP SWITCH (SUSPENSION) CIRCUIT (1)

3.CHECK SET-UP SWITCH (SUSPENSION) CIRCUIT (2)

4.CHECK E-SUS CONTROL UNIT OUTPUT SIGNAL

1.CHECK SET-UP SWITCH (SUSPENSION)

Set-up switch (suspension)				Resistance
Connector	Terminal		Condition
M73	6	17	Set-up switch (suspension): Up	Approx. 950 – 1000 – 1050 Ω
			Set-up switch (suspension): Neutral or down	0 Ω
	24	17	Set-up switch (suspension): Down	Approx. 950 – 1000 – 1050 Ω
			Set-up switch (suspension): Neutral or up	0 Ω