0400 - Electrical wiring diagram: Exhaust gas recirculation USA Model years 1987 and 1988 Engine 602 in model 201 · ra070160104b4x · 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 years 1987 and 1988

Electrical wiring diagram exhaust gas recirculation

S25/9	Temperature switch 97 °C (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
K1/1	Overvoltage protection relay
L3	Speed sensor starter ring gear
L3x	Connector speed sensor starter ring gear
N6	Control unit AC compressor cut-out
N8	Control unit ELR
N37/2	Control unit exhaust gas recirculation
S25/5	Temperature switch 105/115 °C
S25/6	Temperature switch 50 °C
S25/7	Temperature switch 25 °C (AGR)

Note

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

0400 - Electrical wiring diagram: Exhaust gas recirculation USA Model years 1987 and 1988 Engine 602 in model 201