Audi Workshop Service and Repair Manuals

List of display groups

Display group number	Indicated on display	Designation
00	Read measured value block 0	1	=	Engine speed
General	1 2 3 4 5 6 7 8 9 10	2	=	Commencement of injection
vehicle check		3	=	Accelerator pedal position
		4	=	Injection quantity
		5	=	Intake manifold pressure (charge pressure)
		6	=	Atmospheric pressure (ambient air pressure)
		7	=	Coolant temperature
		8	=	Intake air temperature
		9	=	Fuel temperature
		10	=	Intake air mass
01	Read measured value block 1	1	=	Engine speed
Injection quantity	1 2 3 4	2	=	Injection quantity
		3	=	Activation time of metering solenoid valve
		4	=	Coolant temperature

Display group number	Indicated on display	Designation
02	Read measured value block 2	1	=	Engine speed
Idling speed	1 2 3 4	2	=	Accelerator pedal position
		3	=	Operating status:
				0		0	0		0	1	A/C compressor switched on
				0		0	0		1	0	Ignore
				0		0	1		0	0	Idling speed switch closed
				0		1	0		0	0	Kickdown switch closed
				1		0	0		0	0	Idling speed increased because: l  Accelerator and brake application detected l  System fault detected
		4	=	Coolant temperature

Display group number	Indicated on display	Designation
03	Read measured value block 3	1	=	Engine speed
Exhaust gas recirculation	1 2 3 4	2	=	Intake air mass (specified)
		3	=	Intake air mass (actual)
		4	=	Duty cycle (activation) of exhaust gas recirculation valve -N18-
04	Read measured value block 4	1	=	Engine speed
Commencement of injection	1 2 3 4	2	=	Commencement of injection (specified)
		3	=	Commencement of injection (actual)
		4	=	Duty cycle (activation) of commencement of injection valve -N108-
05	Read measured value block 5	1	=	Engine speed
Start conditions	1 2 3 4	2	=	Injection quantity for starting (recorded from last start)
		3	=	Commencement of injection
		4	=	Coolant temperature

Display group number	Indicated on display	Designation
06	Read measured value block 6	1	=	Vehicle speed
Switch positions	1 2 3 4	2	=	Brake pedal monitoring:
				0			0			1	Brake light switch -F closed
				0			1			0	Brake pedal switch -F47- open
				1			0			0	Clutch pedal switch -F36- open
		3	=	Cruise control system (CCS) operating unit:
					0	0	0	0	0	0	CCS switched off
					0	0	0	0	1	1	CCS switched on
					0	0	0	1	0	0	Speed reduction
					0	0	1	0	0	0	Resume/accelerate
					0	1	0	0	0	0	Brake pedal depressed
					1	0	0	0	0	0	Clutch pedal depressed

Table continued on next page

Display group number	Indicated on display	Designation
06	Read measured value block 6	4	=	Operating status of cruise control system (CCS):
Switch positions	1 2 3 4									0	Control unit with CCS function CCS switched off
										1	CCS switched on
										2	Accelerate
										4	Decelerate
										8	Resume
									1	7	Brake pedal depressed
									3	2	Maintain speed
									6	4	Ignore
								1	2	8	Ignore
								2	5	5	Control unit without CCS function

Display group number	Indicated on display	Designation
07	Read measured value block 7	1	=	Fuel temperature
Temperatures	1 2 3 4	2	=	Oil temperature
		3	=	Intake air temperature
		4	=	Coolant temperature
08	Read measured value block 8	1	=	Engine speed
Injection quantity limitation	1 2 3 4	2	=	Desired injection quantity (driver input via accelerator pedal)
		3	=	Injection quantity limitation via engine speed (torque limitation)
		4	=	Injection quantity limitation based on intake air mass (avoidance of exhaust smoke)
09	Read measured value block 9	1	=	Desired injection quantity (driver input via accelerator pedal)
Injection quantity limitation	1 2 3 4	2	=	Injection quantity limitation by automatic gearbox during gearshift
		3	=	Injection quantity determined by overrun torque limitation (MSR)
		4	=	Injection quantity limitation by traction control system

Display group number	Indicated on display	Designation
10	Read measured value block 10	1	=	Intake air mass
Air quantities	1 2 3 4	2	=	Atmospheric pressure (ambient air pressure)
		3	=	Intake manifold pressure (charge pressure)
		4	=	Accelerator pedal position
11	Read measured value block 11	1	=	Engine speed
Charge pressure control	1 2 3 4	2	=	Charge pressure (specified)
		3	=	Charge pressure (actual)
		4	=	Duty cycle (activation) of charge pressure control solenoid valve -N75-
12	Read measured value block 12	1	=	(Ignore)
Glow plug system	1 2 3 4	2	=	Glow period (in seconds)
		3	=	Voltage supply at control unit
		4	=	Coolant temperature

Display group number	Indicated on display	Designation
13	Read measured value block 13	1	=	Difference between injection quantities for cylinders 3 and 2
Smooth idling regulation	1 2 3 4	2	=	Difference between injection quantities for cylinders 1 and 2
		3	=	No display
		4	=	No display
14	Read measured value block 14	1	=	No display
Smooth idling regulation	1 2 3 4	2	=	Difference between injection quantities for cylinders 6 and 2
		3	=	Difference between injection quantities for cylinders 4 and 2
		4	=	Difference between injection quantities for cylinders 5 and 2
15	Read measured value block 15	1	=	Engine speed
Fuel consumption	1 2 3 4	2	=	Injection quantity (actual)
		3	=	Fuel consumption
		4	=	Desired injection quantity (driver input via accelerator pedal)

Display group number	Indicated on display	Designation
16	Read measured value block 16	1	=	Alternator load
Alternator	1 2 3 4	2	=	No display
		3	=	No display
		4	=	No display
17	Read measured value block 17			No display
Not used

Display group number	Indicated on display	Designation
18	Read measured value block 18	1	=	Voltage supply to injection pump
	1 2 3 4	2	=	Voltage supply at engine control unit
		3	=	Signals from injection pump
			0	0	0	0	0	0	0	0	Injection pump okay
			0	0	0	0	0	0	0	1	Constant current to metering solenoid valve
			0	0	0	0	0	0	1	0	Metering solenoid valve defective
			0	0	0	0	0	1	0	0	Injection pump speed sender defective
			0	0	0	0	1	0	0	0	Injection timing control defective
			0	0	0	1	0	0	0	0	Commencement of injection not detected
			0	0	1	0	0	0	0	0	Cut-out signal has been set
			0	1	0	0	0	0	0	0	Engine speed not registered
			1	0	0	0	0	0	0	0	Data wiring defective

Display group number	Indicated on display	Designation
18	Read measured value block 18 1 2 3 4	4	=	Evaluation of pulses from engine speed sender. The injection pump expects the pulses in specific phases, alternately inside and outside a phase
				0	0	0	0	One pulse outside the phase, one pulse within the phase = okay
				0	0	0	1	No pulses outside the phase
				0	0	1	0	Several pulses outside the phase
				0	1	0	0	No pulses within the phase
				1	0	0	0	Several pulses within the phase
19	Read measured value block 19	1	=	Engine speed
Start conditions	1 2 3 4	2	=	Start of delivery
(stored)		3	=	Activation time of metering solenoid valve
		4	=	Fuel temperature
20	Read measured value block 20			No display
Not used	1 2 3 4

Display group number	Indicated on display	Designation
21	Read measured value block 21	1	=	Status of fuel level check
Fuel level	1 2 3 4							1	0	0	Low fuel level sender: Tank empty
								0	1	0	Low fuel level sender: Tank almost empty
								0	0	1	Warning signal from dash panel insert: fill up
		2	=	Status of injection system
						1	0	0	0	0	Engine cut out, no more fuel
						0	1	0	0	0	Engine starts but cuts out again because not enough fuel in tank
						0	0	1	0	0	Engine will not start because no fuel in tank
						0	0	0	1	0	Engine misfiring (intentional)
						0	0	0	0	1	Preparation for shut-down
		3	=	Fuel pump activated:
									1	0	When engine is running
									0	1	For about 6 seconds after switching on ignition
		4	=	Status of fuel level check
										1	Switched off because of system fault

Display group number	Indicated on display	Designation
25	Read measured value block 25	1	=	Data level
Injection pump	1 2 3 4 5	2	=	Injection pump number (see also Parts catalogue)
		3	=	Software version
		4	=	Serial No.
		5	=	Production date