volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Engine Control Module|Testing and Inspection > < ECM - Inoperative Due to Improper Battery Charging|Page 85
Page 1
background image

Engine Control Module: Diagrams

25 Position ECU Plug

Connector Layout

System

Digifant II

Location

Passenger side engine compartment

Terminal ID

1 - Ignition switch starter (Red/Blk)
2 - Oxygen sensor (Grn)
3 - Fuel pump relay control (Red/Blk)
4 - N/A
5 - N/A
6 - Sensor ground (Brn/Wht)
7 - N/A
8 - Hall effect supply (Grn)
9 - Air temperature sensor (Blu/Wht)

10 - Coolant temperature sensor (Gry)
11 - Throttle switch Full load (Red/Blu)
12 - Injector drivers (4) (Wht)
13 - Ground (Brn)
14 - Main relay power (Blk/Yel)
15 - N/A
16 - N/A
17 - Air flow sensor supply (Blu/Blk)
18 - Hall signal (Gry/Grn)
19 - Ground (Brn/Wht)
20 - ECU malfunction light (Gry/Wht)
21 - Air flow sensor load (Blu/Red)
22 - N/A
23 - Main relay control (Blk/Wht)
24 - N/A
25 - Coil (-) control output (Grn)

Engine Control Module|Testing and Inspection > < ECM - Inoperative Due to Improper Battery Charging|Page 85