AUDI A8 1998 D2 / 1.G ATQ Engine Additional Signals Testing User Guide

Manufacturer: AUDI, Model Year: 1998, Model line: A8, Model: AUDI A8 1998 D2 / 1.G
Pages: 44, PDF Size: 0.19 MB
AUDI A8 1998 D2 / 1.G ATQ Engine Additional Signals Testing User Guide A8 1998 D2 / 1.G AUDI AUDI https://www.carmanualsonline.info/img/6/1057/w960_1057-0.png AUDI A8 1998 D2 / 1.G ATQ Engine Additional Signals Testing User Guide
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Page 11 of 44

AUDI A8 1998 D2 / 1.G ATQ Engine Additional Signals Testing User Guide 24-174 - Depress gas pedal completely (swiftly) and then release it (brief acceleration). Specified value in display field 4: Indication jumps for a few seconds from "Compr. ON" to

Page 12 of 44

AUDI A8 1998 D2 / 1.G ATQ Engine Additional Signals Testing User Guide - If there are no malfunctions in the wiring, check function of A/C system. Repair Manual, Heating & Air Conditioning, Repair Group 01 Pa ge 12 of 44 Additional si gnals, testin g

Page 13 of 44

AUDI A8 1998 D2 / 1.G ATQ Engine Additional Signals Testing User Guide 24-175 A/C system signal, checking The A/C system signal notifies the Engine Control Module (ECM), that the A/C system requires a higher idle speed to achieve the desired interior te

Page 14 of 44

AUDI A8 1998 D2 / 1.G ATQ Engine Additional Signals Testing User Guide 24-176 If specified values are not obtained: Read Measuring Value Block Q Input displa y group number XXX When indicated on display: - Press buttons -0-, -5- and -6- to select "display gro

Page 15 of 44

AUDI A8 1998 D2 / 1.G ATQ Engine Additional Signals Testing User Guide 24-177 - Check the following wire connection for open circuit and short circuit to Ground (GND) and B+: Test box VAG1598/31 Socket A/C control head -E87- Terminal 40 Elec

Page 16 of 44

AUDI A8 1998 D2 / 1.G ATQ Engine Additional Signals Testing User Guide 24-178 Brake light switch and brake pedal switch, checking Note: For safety reasons, the instruction from the accelerator pedal sensor (potentiometer) to the ECM to open the t

Page 17 of 44

AUDI A8 1998 D2 / 1.G ATQ Engine Additional Signals Testing User Guide 24-179 Read Measurin g Value Block Q Input display group number XXX When indicated on display: - Press buttons -0-, -6- and -6- to select "display group number 066" and press -Q- button to

Page 18 of 44

AUDI A8 1998 D2 / 1.G ATQ Engine Additional Signals Testing User Guide Switch points slightly offset Pa ge 18 of 44 Additional si gnals, testin g 11/23/2002 htt p://127.0.0.1:8080/audi/servlet/Dis play?action=Goto&t yp e=re pair&id=AUDI.B5.FU05.24.6

Page 19 of 44

AUDI A8 1998 D2 / 1.G ATQ Engine Additional Signals Testing User Guide 24-180 If indications do not resemble description: Check switch - Remove driver-side storage compartment. Repair Manual, Body -Interior, Repair Group 68; Instrume

Page 20 of 44

AUDI A8 1998 D2 / 1.G ATQ Engine Additional Signals Testing User Guide - Depress accelerator pedal. Specification: (no continuity) Pa ge 20 of 44 Additional si gnals, testin g 11/23/2002 htt p://127.0.0.1:8080/audi/servlet/Dis play?action=Goto&t yp e=re pair&id=AUDI.B
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