0400 - Electrical wiring diagram: Exhaust gas recirculation with automatic transmission and AC compressor A, CH, and S as of Model year 1989 Engine 601 with code 830 in model 201 · ra070160104d3x · 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 601    and code 830 in model 201 with automatic transmission and
AC compressor as of model year 1989

Electrical wiring diagram exhaust gas recirculation

S2/2	Glow starter switch
S25/1	Temperature switch 100 °C
S25/7	Temperature switch 25 °C exhaust gas recirculation
S27/6	Microswitch compressor cut-out/ARF
S31/1	Pressure switch AC compressor OFF 2.0/30/ON 2.6/22
W10	Ground, battery
X25	Connector, preglow cable harness
X26/5	Connector engine cable harness/tail lamp cable harness 1-pole
X35	Terminal block terminal 30/terminal 61 (battery)
X92	Diagnostic test coupling 8-pole (flash code)
Y22	Electromagnetic actuator ELR
Y27	Change-over valve exhaust gas recirculation
Y28	Change-over valve vacuum control flap
a	To relay auxiliary fan K9, jack 2
d	To central electrics coupling "W", jack 4

A1p7	Electronic clock/tachometer
A9	AC compressor
A9x	Connector AC compressor
A9k1	Electromagnetic coupling
A9I1	Speed sensor
B11/1	Coolant temperature sensor electronic idle speed control (ELR)
F1	Fuse and relay box
F1/E	Central electrics, jacks 4, 6 and 8
F1/U	Central electrics, jack 6
F1/W	Central electrics, jack 2
G1	Battery
K1/1	Overvoltage protection relay 87E/87L (7-pole)
L3	Speed sensor starter ring gear
L3x	Connector speed sensor starter ring gear
N6	Control unit compressor cut-out
N8	Control unit idle speed control
N37/2	Control unit exhaust gas recirculation ARF + II (11-pole)

Note

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

0400 - Electrical wiring diagram: Exhaust gas recirculation with automatic transmission and AC compressor A, CH, and S as of Model year 1989 Engine 601 with code 830 in model 201