0400 - Electrical wiring diagram: Exhaust gas recirculation with manual transmission and AC compressor, A as of Model year 1989 Engine 602 in model 124 · ra070160104d5x · 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 124 with manual transmission and AC compressor

as of model year 1989

Electrical wiring diagram exhaust gas recirculation

S25/9	Temperature switch 97 °C exhaust gas recirculation
S27/6	Microswitch compressor cut-out/ARF
W1	Main ground (behind instrument cluster)
W10	Ground, battery
X4	Terminal block, terminal 30, fuse and relay box
X25	Connector, preglow cable harness
X26	Connector interior/engine
X35	Terminal block terminal 30/terminal 61 (battery)
X92	Diagnostic test coupling 8-pole (flash code)
X94	Connector electromagnetic actuator anti-jerk control 2-pole diesel
Y22/3	Electromagnetic actuator anti-jerk control
Y27	Change-over valve exhaust gas recirculation
Y28	Change-over valve vacuum control flap
c	To tachometer A1p7
d	To fuse 5, terminal 15
e	To automatic climate control unit N22, jack 7

A9	AC compressor
A9k1	Electromagnetic coupling
A9I1	Speed sensor
A9x	Connector AC compressor
B6	Hall-effect speed sensor (discontinued as of model year 1990)
F1	Fuse and relay box
G1	Battery
L3	Speed sensor starter ring gear
L3x	Connector speed sensor starter ring gear
K1/1	Overvoltage protection relay 87E/87L (7-pole)
N8/2	Control unit anti-jerk control
N6	Control unit compressor cut-out
N37/2	Control unit exhaust gas recirculation ARF + II (11-pole)
R18/3	Individual trimming plug anti-jerk control (as required)
R18/3x	Connector individual trimming plug
S2/2	Glow starter switch
S25/7	Temperature switch 25 °C exhaust gas recirculation

Note

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

0400 - Electrical wiring diagram: Exhaust gas recirculation with manual transmission and AC compressor, A as of Model year 1989 Engine 602 in model 124