coolant temperature AUDI A4 1995 B5 / 1.G AWM Engine Motronic Injection System Servicing Workshop Manual
Page 7 of 79
24-6
Repair Manual, 1.8 Liter 4
-Cyl. 5V Turbo Engine
Mechanical, Engine Code(s): AWM, Engine Code(s): AWM, Repair Group 26; Secondary Air Injection (AIR) system, checking
3 -
Oxygen Sensor (O2S) behind Three Way
Catalytic Converter (TWC) -G130-, 55 Nm
Check Oxygen Sensor (O2S) and oxygen
sensor control behind Three Way Catalytic
Converter (TWC) Page 24
-94
Check oxygen sensor heater for Oxygen
Sensor (O2S) behind Three Way Catalytic
Converter (TWC) Page 24
-107
Removing and installing Page 24
-112
4 -
Combination valve for secondary air
injection (AIR)
Checking, removing and installing:
5 -
Engine Coolant Temperature (ECT) sensor
-G62-
Checking Page 28
-31
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Page 28 of 79
24-26
Idle speed (RPM), checking
Special Tools and Equipment
Test requirements:
VAS5051 with VAG5051/1Exhaus system free of leaks. Coolant Temperature at least 80 C. Electrical consumers switched off (radiator fan must NOT run during
test). A/C switched off. No pressure gauge connected. Vehicles with automatic transmission Selector lever in P or N.
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Component location Overview of component
locations Page 24
-5
Test requirements:
Coolant Temperature at least 80 C.
Electrical consumers switched off (radiator
fan must NOT run during test).
A/C switched off.
Checking function
- Connect VAS5051 tester Page 01
-7 and
select vehicle system "01 - Engine electronics".
Engine must run at idle for this.
Display on VAS5051:
- In selection -1-, click on the diagnostic function "04 - Basic setting".
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ge 68 of 79 Motronic in
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p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
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pair&id=AUDI.B5.FU07.24.1