ad0761p600007d

Fuel pump relay, ME-SFI fuel injection system electrical testing

Type ad · topic 07.61 · version 0101 · 2003-06-10

Applies to: ENGINE 111.921 /942 as of 1.9.98, 111.943, 111.944 as of 1.8.96, 111.946 as of 1.6.98, 111.947 /973, 111.975 as of 1.8.96 ENGINE 111.945 in MODEL 208.335 /435 as of 1.6.98, 202.020 /080 as of 1.9.98 ENGINE 111.974 with CODE (494a) USA version with CODE (807) Model year 1997 with CODE (808) Model year 1998

Where it sits

Function group 1 Engine › 07 Mixture formation › 07.61 ME fuel injection/ ignition system — Series 202 (models 020, 080) · Series 208 (models 335, 435)

EinPAS 16 Fuel/power supply to engine › 16.10 Fuel supply › 16.10.1 Basic information — Series 202 (models 020, 080) · Series 208 (models 335, 435)

Also applies to engines/gearboxes: 111 921, 111 942, 111 943, 111 944, 111 945, 111 946, 111 947, 111 973, 111 974, 111 975

AD07.61-P-6000-07D

Fuel pump relay, ME-SFI fuel injection system electrical testing

Scope of test

Tester/test connection

Operation/

prerequisite

Specified value

Possible cause/

remedy

1.0

Fuel pump relay

Models 202 and 208 fuse and relay module (K40/4)

Model 170 relay module (K40)

Model 210 relay (K27)

Actuation

K27/K40/K40/4 power consumption

21

(29C)

8

(8A)

N3/10

N3/10

2

(2A)

21

(29C)

In models 202 and 208 the fuel pump is actuated via the fuse and relay module (K40/4)

Ignition: ON:

The fuel pump is only actuated once after ignition "ON". The engine must have run for a short time until the next actuation.

Engine: starting

during start and for as long as engine is running:

Ignition: ON

11 - 14 V for approx. 1 s.

11 - 14 V

0.1 - 0.3 A

Fuse

Cable

K27/K40/K40/4

ME-SFI control module (N3/10)