0400 - Electrical wiring diagram: Exhaust gas recirculation USA Model year 1989 Engine 602 in model 201 · ra070160104b5x · 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 1989

Electrical wiring diagram exhaust gas recirculation

W10	Ground, battery
X25	Connector, preglow wiring harness
X35	Terminal block, battery terminal 30/61
X92	Diagnostic test coupling
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
a	To temperature switch S25/6
b	To washer nozzle heating left R2/2
c	To connector engine cable harness X26/5
d	To pressure switch AC compressor S31/1

A9	AC compressor
A9 k1	Electromagnetic coupling
A9 l1	Speed sensor
A9x	Connector AC compressor
B11/1	Coolant temperature sensor (ELR)
F1	Fuse/relay box
G1	Battery
K1/1	Overvoltage protection relay 87E (7-pole)
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
S2/2	Glow starter switch
S25/7	Temperature switch 25 °C (AGR)
S25/9	Temperature switch 97 °C (AGR)
S27/6	Microswitch compressor cut-out (AGR)

Note

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

0400 - Electrical wiring diagram: Exhaust gas recirculation USA Model year 1989 Engine 602 in model 201