Fuel tank pressure sensor, ME-SFI fuel injection system electrical testing

AD07.61-P-6000-33C

Fuel tank pressure sensor, ME-SFI fuel injection system electrical testing

Model 170 

Model 202  as of 09/97





Scope of test

Tester/test connection

Operation/

prerequisite

Specified value

 Possible cause/

remedy

1.0







Fuel tank pressure sensor (B4/3)

Sensor signal

Model 170 

Model 202  as of 09/97

Actuate activated charcoal canister shut-off valve (Y58/4)

36 

(4D)

3 

(3A)

N3/10





N3/10





 37

(5D)

 34

(2D)

Remove purge line to activated charcoal canister at purge control valve (Y58/1) and attach vacuum tester to purge line

GF07.61-P-0001-01G

GF07.61-P-0001-01H

Ignition: ON:

Apply vacuum of approx. 25 mbar using vacuum tester:

> 2.3 V

< 2.3 V

 1.1

 Line

 Vacuum line

 Activated charcoal canister blocked

 B4/3

1.1

Voltage supply B4/3

36 

(4D)

N3/10





 38

(6D)

Ignition: ON:

4.7 - 5.3 V

 ME-SFI control module (N3/10)