fuse box diagram AUDI A4 1995 B5 / 1.G APB Engine Ignition System Checking
Page 35 of 64
28-32
Control module voltage supply,
checking
Test requirements:
Fuse for Engine Control Module (ECM) OK
Electrical Wiring Diagrams, Troubleshooting &
Component Locations
Battery voltage at least 11 V
Generator OK
- Connect test box VAG1598/31 to wiring harness
for engine control module. Do not connect to the
engine control module itself. Page 24
-20
.
- Switch ignition on.
Note:
The B+ voltage supply for the engine control
module comes via terminal 3 (terminal 15) and
terminal 62 (terminal 30).
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