0400 - Electrical wiring diagram: Exhaust gas recirculation USA Model year 1986 Engine 602 in model 201 · ra070160104b3x · Mercedes-Benz WIS

07.1-400 Electrical wiring diagrams

The wiring diagrams up to and including 06/1991 or model year 1992 are dealt with below.

As of 07/1991 and model year 1992 are located to the relevant wiring diagram volume.

Model 124 as of 07/1991 and model year 1992 Volumes 4 and 4.1

Model 124 as of 10/1992

Volumes 1 and 2

Model 201 as of 07/1991 and model year 1992 Volumes 5 and 5.1

Model 202 as of 06/1993 and model year 1994 Volumes 1 and 2

Engine 602 in model 201

 model year 1986

Electrical wiring diagram exhaust gas recirculation

S25/9	97 °C Temperature switch (AGR)
S27/6	Microswitch compressor cut-out (AGR)
X29/4	Test coupling TD
Y22	Electromagnetic actuator (ELR)
Y22x	Connector (ELR electromagnetic actuator)
Y27	Change-over valve exhaust gas recirculation
Y28	Change-over valve vacuum control flap
Y29	Change-over valve vacuum transducer (automatic transmission)
Z	Soldered connector sleeve
a	Terminal block engine terminal 30/terminal 61 (battery)
b	Central electrics, coupling U jack 5
c	Relay fan, terminal 85, jack 5
d	Connector 1-pole tail lamp cable harness
e	Pressure switch (S31) AC compressor
f	Relay fan, terminal 86, jack 4
g	Washing nozzle heater left
h	Terminal block interior (X5/1)

A1 p7	Electronic clock/tachometer
A9	AC compressor
A9 k1	Electromagnetic coupling
A9 l1	Speed sensor
A9x	Connector AC compressor
B6	Hall-effect speed sensor
B11/1	Coolant temperature sensor (ELR)
F1	Fuse/relay box
E	Coupling
U	Coupling
K1	Overvoltage protection relay
L3	Speed sensor starter ring gear
L3x	Connector speed sensor starter ring gear
N6	Control unit compressor cutout
N8	Control unit ELR
N37	AGR control unit
S25/5	Temperature switch 105/115 °C
S25/6	50 °C Temperature switch
S25/7	25 °C Temperature switch (AGR)

Note

Unidentified grounding points are connected to engine ground or battery ground.

0400 - Electrical wiring diagram: Exhaust gas recirculation USA Model year 1986 Engine 602 in model 201