Audi Workshop Service and Repair Manuals

Test table

List of test steps

Component to be tested	Test step
Voltage supply and earth connection of electronic manual gearbox control unit -J514-	–  Perform test step 1 → Anchor
Selector lever lock solenoid -N110-	–  Perform test step 2 → Anchor
Switch for selector lever N-recognition -F258-	–  Perform test step 3 → Anchor
Switch for selector lever gate recognition -F257-	–  Perform test step 4 → Anchor
Switch for Stop recognition -F259-	–  Perform test step 5 → Anchor
Gearbox speed sender -G38-	–  Perform test step 6 → Anchor
Clutch travel sender -G162-	–  Perform test step 7 → Anchor
Gear selector valves -N284-, -N285-, -N286- and -N287-	–  Perform test step 8.1 … 8.4 → Anchor
Brake pressure switch -F270-	–  Perform test step 9 → Anchor
Potentiometer for selector lever, forwards/backwards -G272-	–  Perform test step 10 → Anchor
Lockout switch for diesel engine -F207-	–  Perform test step 11 → Anchor
Switch for Start/Stop mode -E262- (ECO mode)	–  Perform test step 12 → Anchor
Solenoid valve for ignition key removal lock -N334-	–  Perform test step 13 → Anchor
Hydraulic pump for clutch actuator -V180-	–  Perform test step 14 → Anchor
Valve for clutch actuator -N255-	–  Perform test step 15 → Anchor
Sender for gearbox hydraulic pressure -G270-, potentiometer 1 for gear recognition -G239- and potentiometer 2 for gear recognition -G240-	–  Perform test step 16 → Anchor
CAN bus wiring	–  Perform test step 17 → Anchor

Test step 1

-V.A.G 1598/18- Sockets	Test of	Test requirements and operations	Specified value	Measures if readout does not match specification
1 + 2	Earth connection of electronic manual gearbox control unit -J514-	l  Ignition off –  Switch on measuring range: Resistance measurement	0,0 Ω	–  Check wiring according to current flow diagram –  Check wiring from contact 1 + 2 to earth –  Check earth connections of battery, renew if necessary
45 + 1 68 + 1 68 + 2 45 + 2	Voltage supply for terminal 30 of electronic manual gearbox control unit -J514-	l  Ignition off –  Switch on measuring range: Voltage measurement	approx. battery voltage	–  Check wiring according to current flow diagram –  Check wiring from contact 1 + 2 to earth –  Check wiring from contact 45 + 68 to terminal 30 –  Check battery, renew if necessary –  If necessary replace electronic manual gearbox control unit -J514-
23 + 1 47 + 2 47 + 1 23 + 2	Voltage supply for terminal 15 of electronic manual gearbox control unit -J514-	–  Switch on measuring range: Voltage measurement –  Switch on ignition	approx. battery voltage	–  Check wiring according to current flow diagram –  Check wiring from contact 1 + 2 to earth –  Check wiring from contact 23 to terminal 15 –  Check battery, renew if necessary –  If necessary replace electronic manual gearbox control unit -J514-

Test step 2

-V.A.G 1598/18- Sockets	Test of	Test requirements and operations	Specified value	Measures if readout does not match specification
29 + 1	Selector lever lock solenoid -N110-	l  Ignition off
		–  Switch on measuring range: Voltage measurement	0 V	–  Check wiring according to current flow diagram
		–  Switch on ignition	approx. battery voltage
29 + 1		l  Measuring instruments disconnected –  Connect bridge with auxiliary wires from -V.A.G 1594 C- between sockets 29 + 1
		–  Switch on ignition	Solenoid must click audibly, “Press brake” symbol lights up	–  Replace selector lever lock solenoid -N110- → 5-speed Manual Gearbox 085 DS; Rep. Gr.34

Test step 3

-V.A.G 1598/18- Sockets	Test of	Test requirements and operations	Specified value	Measures if readout does not match specification
Bridge between 29 + 1	Switch for selector lever N-recognition -F258-	–  Connect bridge between sockets 29 + 1 → Note –  Switch on measuring range: Voltage measurement –  Switch on ignition
45 + 62
		–  Shift selector lever to “N”	approx. battery voltage	–  Check wiring according to current flow diagram –  Replace switch → 5-speed Manual Gearbox 085 DS; Rep. Gr.34
		–  Shift selector lever out of “N”	0 V

1)	Before the test, the bridge must be connected using auxiliary wires from -V.A.G 1594 C- between sockets 29 + 1 to be able to move the selector lever. This cancels the locking of the selector lever by the selector lever lock solenoid -N110-.

Test step 4

-V.A.G 1598/18- Sockets	Test of	Test requirements and operations	Specified value	Measures if readout does not match specification
Bridge between 29 + 1	Switch for selector lever gate recognition -F257-	–  Connect bridge between sockets 29 + 1 → Note –  Switch on measuring range: Voltage measurement –  Switch on ignition
45 + 39
		–  Shift selector lever into tiptronic gate	0 V	–  Check wiring according to current flow diagram –  Replace switch → 5-speed Manual Gearbox 085 DS; Rep. Gr.34
		–  Shift selector lever out of tiptronic gate	approx. battery voltage

2)	Before the test, the bridge must be connected using auxiliary wires from -V.A.G 1594 C- between sockets 29 + 1 to be able to move the selector lever. This cancels the locking of the selector lever by the selector lever lock solenoid -N110-.

Test step 5

-V.A.G 1598/18- Sockets	Test of	Test requirements and operations	Specified value	Measures if readout does not match specification
Bridge between 29 + 1	Switch for Stop recognition -F259-	–  Connect bridge between sockets 29 + 1 → Note –  Switch on measuring range: Voltage measurement –  Switch on ignition
45 + 41
		–  Shift selector lever to “STOP”	approx. battery voltage	–  Check wiring according to current flow diagram –  Replace switch → 5-speed Manual Gearbox 085 DS; Rep. Gr.34
		–  Shift selector lever out of “STOP”	0 V

3)	Before the test, the bridge must be connected using auxiliary wires from -V.A.G 1594 C- between sockets 29 + 1 to be able to move the selector lever. This cancels the locking of the selector lever by the selector lever lock solenoid -N110-.

Test step 6

-V.A.G 1598/18- Sockets	Test of	Test requirements and operations	Specified value	Measures if readout does not match specification
65 + 20	Gearbox speed sender -G38-	l  Ignition off
		–  Switch on measuring range: Resistance measurement	min. 0.7 kΩ	–  Check wiring according to current flow diagram
			max. 0.9 kΩ	–  Replace sender -G38- → 5-speed Manual Gearbox 085 DS; Rep. Gr.34

Test step 7

-V.A.G 1598/18- Sockets	Test of	Test requirements and operations	Specified value	Measures if readout does not match specification
50 + 28	Clutch travel sender -G162-	l  Ignition off
		–  Switch on measuring range: Resistance measurement	min. 4.5 kΩ	–  Check wiring according to current flow diagram –  Check wiring from socket 5 to sender (signal wiring)
			max. 6.0 kΩ	–  Replace sender → 5-speed Manual Gearbox 085 DS; Rep. Gr.30

Test steps 8.1 … 8.4

-V.A.G 1598/18- Sockets	Test of	Test requirements and operations	Specified value	Measures if readout does not match specification
22 + 34	Gear selector valve 1 -N284-	l  Ignition off l  Valve temperature: approx. 20° C –  Switch on measuring range: Resistance measurement	approx. 3 Ω → Note	–  Check wiring according to current flow diagram –  Check connectors at the valves; fitting location of valves → Anchor –  Replace gear actuator → 5-speed Manual Gearbox 085 DS; Rep. Gr.34
33 + 46	Gear selector valve 2 -N285-		approx. 3 Ω → Note
53 + 67	Gear selector valve 3 -N286-		min. 13 Ω → Note max. 14 Ω
48 + 67	Gear selector valve 4 -N287-		min. 13 Ω → Note max. 14 Ω

4)	The specification refers to a temperature of approx. 20°C. If the valve temperature is above 20°C (gearbox hot), the resistance value of the valves increases.

Fitting location of valves 1 to 4 for gear selection –  Please note different electrical connectors for gear selector valves. 1 -  Gear selector valve 1 -N284-; large connector, no colour marking 2 -  Gear selector valve 2 -N285-; large connector, colour marking -arrows A- 3 -  Gear selector valve 3 -N286-; small connector, no colour marking 4 -  Gear selector valve 4 -N287-; small connector, colour marking -arrows B-

Test step 9

-V.A.G 1598/18- Sockets	Test of	Test requirements and operations	Specified value	Measures if readout does not match specification
15 + 1	Brake pressure switch -F270-	l  Ignition off –  Switch on measuring range: Resistance measurement
		–  Do not press brake pedal	∞ Ω → Note	–  Check wiring according to current flow diagram –  Replace brake pressure switch
		–  Press brake pedal	max. 2 Ω

5)	Switch portable multimeter -V.A.G 1526 B- to largest Ω range.

Test step 10

-V.A.G 1598/18- Sockets	Test of	Test requirements and operations		Specified value	Measures if readout does not match specification
27 + 49	Potentiometer for selector lever, forwards/backwards -G272-	l  Ignition off –  Switch on measuring range: Resistance measurement –  Selector lever in position
			STOP	approx. 2.72 kΩ	–  Check wiring according to current flow diagram –  Replace potentiometer → 5-speed Manual Gearbox 085 DS; Rep. Gr.34
			R	approx. 2.45 kΩ
			N	approx. 2.19 kΩ
			D or tiptronic gate	approx. 1.77 kΩ
			Tiptronic to “+”	approx. 2.01 kΩ
			Tiptronic to “–”	approx. 1.54 kΩ
4 + 49			STOP	approx. 1.45 kΩ
			R	approx. 1.72 kΩ
			N	approx. 1.98 kΩ
			D or tiptronic gate	approx. 2.42 kΩ
			Tiptronic to “+”	approx. 2.17 kΩ
			Tiptronic to “–”	approx. 2.65 kΩ

Test step 11

-V.A.G 1598/18- Sockets	Test of	Test requirements and operations	Specified value	Measures if readout does not match specification
Bridge between 29 + 1	Lockout switch for diesel engine -F207-	l  Ignition off –  Connect bridge between sockets 29 + 1 → Note –  Switch on measuring range: Voltage measurement
45 + 40
		–  Selector lever in “D”	approx. battery voltage	–  Check wiring according to current flow diagram –  Replace switch → 5-speed Manual Gearbox 085 DS; Rep. Gr.34
		–  Selector lever in all positions except “D”	0 V

6)	Before the test, the bridge must be connected using auxiliary wires from -V.A.G 1594 C- between sockets 29 + 1 to be able to move the selector lever. This cancels the locking of the selector lever by the selector lever lock solenoid -N110-.

Test step 12

-V.A.G 1598/18- Sockets	Test of	Test requirements and operations	Specified value	Measures if readout does not match specification
45 + 63	Switch for Start/Stop mode -E262-	l  Ignition off –  Switch on measuring range: Voltage measurement
		–  Do not operate key	0 V	–  Check wiring according to current flow diagram –  Replace switch → Electrical System; Rep. Gr.96
		–  Key pressed once	approx. battery voltage

Test step 13

-V.A.G 1598/18- Sockets	Test of	Test requirements and operations	Specified value	Measures if readout does not match specification
	Solenoid valve for ignition key removal lock -N334-	l  Ignition off l  Control unit for ignition key removal lock -J557- removed. Fitting location → Anchor
		–  Connect bridge with auxiliary wires from -V.A.G 1594 C- between contacts 13 + 4 in relay plug	Solenoid in ignition lock must click audibly	–  Check wiring according to current flow diagram –  Replace ignition/starter switch → Electrical System; Rep. Gr.94
68 + contact 13 in relay plug		l  Ignition off Control unit for ignition key removal lock -J557- removed. Fitting location → Anchor
		–  Switch on measuring range: Resistance measurement	approx. 8 Ω

Fitting location of control unit for ignition key removal lock -J557- t  in the 6+6-part relay carrier at the front left of the footwell at slots -5- and -6-.

Test step 14

-V.A.G 1598/18- Sockets	Test of	Test requirements and operations	Specified value	Measures if readout does not match specification
	Hydraulic pump for clutch actuator -V180-	–  Pull out gearbox hydraulic pump relay -J510-. Fitting location → Anchor
		–  Connect bridge with auxiliary wires (from -V.A.G 1594 C-) between contacts 8 +2 in relay plug	Pump starts up	–  Check wiring according to current flow diagram –  Replace pump → 5-speed Manual Gearbox 085 DS; Rep. Gr.34

Fitting location of gearbox hydraulic pump relay -J510- t  In the 6+6-part relay carrier at the front left of the footwell at slot -4-.

Test step 15

-V.A.G 1598/18- Sockets	Test of	Test requirements and operations	Specified value	Measures if readout does not match specification
32 + 58	Valve for clutch actuator -N255-	l  Ignition off
		–  Switch on measuring range: Resistance measurement	approx. 6.5 Ω	–  Check wiring according to current flow diagram

Test step 16

-V.A.G 1598/18- Sockets	Test of	Test requirements and operations	Specified value	Measures if readout does not match specification
17 + 30	Connection of sender for gearbox hydraulic pressure -G270-, potentiometer 1 for gear recognition -G239- and potentiometer 2 for gear recognition -G240-	l  Ignition off
		–  Switch on measuring range: Resistance measurement	approx. 1 Ω	–  Check wiring according to current flow diagram
17 + 44	Sender for gearbox hydraulic pressure -G270- and potentiometer 1 for gear recognition -G239-		approx. 290 Ω	Sender for gearbox hydraulic pressure -G270-, potentiometer 1 for gear recognition -G239- and potentiometer 2 for gear recognition -G240- are connected in parallel
30 + 44	Potentiometer 2 for gear recognition -G240-		approx. 290 Ω	–  If readout does not match specification, all 3 components must be checked according to current flow diagram

Test step 17

-V.A.G 1598/18- Sockets	Test of	Test requirements and operations	Specified value	Measures if readout does not match specification
3 + 1 3 + 2 25 + 1 25 + 2 3 + 47 25 + 47	CAN bus wiring	l  Ignition off
		–  Switch on measuring range: Resistance measurement	∞ Ω → Note	–  Check wiring according to current flow diagram Further description of CAN bus wiring → Chapter

7)	Switch portable multimeter -V.A.G 1526 B- to largest Ω range.