check engine AUDI A8 1997 D2 / 1.G ATQ Engine Ignition System Checking User Guide

[x] Cancel search | Manufacturer: AUDI, Model Year: 1997, Model line: A8, Model: AUDI A8 1997 D2 / 1.G
Pages: 65, PDF Size: 0.53 MB
AUDI A8 1997 D2 / 1.G ATQ Engine Ignition System Checking User Guide A8 1997 D2 / 1.G AUDI AUDI https://www.carmanualsonline.info/img/6/1062/w960_1062-0.png AUDI A8 1997 D2 / 1.G ATQ Engine Ignition System Checking User Guide
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Page 23 of 65

AUDI A8 1997 D2 / 1.G ATQ Engine Ignition System Checking User Guide 28-20 Component location Overview of Component Locations, page Page 24 -5 Note: The engine speed (RPM) sensor detects RPM and reference marks. The engine cannot be starte

Page 24 of 65

AUDI A8 1997 D2 / 1.G ATQ Engine Ignition System Checking User Guide 28-21 If specified value is not obtained: - Replace engine speed (RPM) sensor. If specified value is obtained: If specified value is not obtained: If specified value is

Page 25 of 65

AUDI A8 1997 D2 / 1.G ATQ Engine Ignition System Checking User Guide 28-22 If no malfunctions are found in wires: - Check the following wire connections for open circuit and short circuit to Ground (GND) and B+: Harness connector Terminal VAG1598/31 test

Page 26 of 65

AUDI A8 1997 D2 / 1.G ATQ Engine Ignition System Checking User Guide 28-23 Engine Coolant Temperature (ECT) sensor -G62-, checking Special Tools and Equipment VAG1526A VAG1594A VAG1598/31 VAS5051 with VAG5051/1 - or VAG1551 with VAG1551/3B Pa ge 26 of

Page 27 of 65

AUDI A8 1997 D2 / 1.G ATQ Engine Ignition System Checking User Guide 28-24 Component location Overview of Component Locations, page Page 24 -5 Test requirement: Engine cold Test sequence - Connect VAS5051 tester or VAG1551 s

Page 28 of 65

AUDI A8 1997 D2 / 1.G ATQ Engine Ignition System Checking User Guide 28-25 Display fields 1 2 3 4 Display group 004: Coolant temperature, engine at idle Display xxxx/min xx.xxx V xxx.x C xxx.x C Indicated Engine speed (RPM) Battery volt

Page 32 of 65

AUDI A8 1997 D2 / 1.G ATQ Engine Ignition System Checking User Guide 28-29 All models - Check both wires to each other for short circuit. - Repair open circuit or short circuit if necessary. If no malfunctions are found in wires:

Page 34 of 65

AUDI A8 1997 D2 / 1.G ATQ Engine Ignition System Checking User Guide 28-31 Test requirements: Fuse for Engine Control Module (ECM) OK Electrical Wiring Diagrams, Troubleshooting & Component Locations binder Battery voltage at leas

Page 36 of 65

AUDI A8 1997 D2 / 1.G ATQ Engine Ignition System Checking User Guide 28-32 - Connect multimeter for voltage measurement as follows: VAG1598/31 test box Socket Measure to 1 B+ 2 B+ 62 Engine Ground (GND) Specification: approx. b

Page 38 of 65

AUDI A8 1997 D2 / 1.G ATQ Engine Ignition System Checking User Guide 28-33 Knock recognition control stop, checking The following tests must be performed when a DTC is stored that relates to "knock recognition control limit reached". Possible cau
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