check engine AUDI A4 1997 B5 / 1.G APB Engine Charge Air System With Turbocharger User Guide
Page 36 of 37
21-31
Checking signal wire
- Disconnect harness connector at charge air
pressure sensor.
- Connect multimeter to socket 101 and socket
108 of test box for voltage measurement.
- Start engine and run at idle.
Specification: about 1.90 V
- Bring engine to RPM by depressing pedal
suddenly.
Specification: approx. 2.00 ... 3.00 V
Pa
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