Work step: 5

WARNING: This page does not describe the selected car, but rather 15 other vehicles, including the 1999 Volkswagen Jetta, 1999 Volkswagen Golf, 1999 Volkswagen Cabrio, 1998 Volkswagen Jetta, and 1998 Volkswagen Golf. However, it is still accessible from the selected car via links, so may be relevant.

Diagnostic test: Secondary Air Injection (AIR) system

Vehicle stationary

NOTE: Not all vehicles have this system installed. If this system is not found on the vehicle you are working with; skip this work step.

Display will appear as shown

Fig 1: VAG 1551/1552 Scan Tool Display: Readiness Code, Creating, Work Step 5 (1 Of 3)

Press -0- and -4- buttons to select "Basic Setting" function 04.
Press -Q- button to confirm input.

Display will appear as shown

Fig 2: VAG 1551/1552 Scan Tool Display: Readiness Code, Creating, Work Step 5 (2 Of 3)

Press buttons -1-, -6- and -0- to input display group 160.
Press -Q- button to confirm input.

Display will appear as shown (1 -4 = display fields)

Fig 3: VAG 1551/1552 Scan Tool Display: Readiness Code, Creating, Work Step 5 (3 Of 3)

Allow engine to idle and check specifications after 20 seconds.

DISPLAY GROUP: 160 FUNCTION: 04

	Display fields
	1	2	3	4
Display group: 160 Function: 04
Display	xxx.x °C	xx.x %	xx.x %	xxxx xxxx
Indicated	Engine coolant temperature	Oxygen Sensor (O2S) % change	Oxygen sensor % change	Diagnostic conditions. See READINESS CODE, CREATING .
Specification	40 °C min.	0.7 %	25 %	xx11 x100
Working range	-	-	-	x = Not relevant

Press -C- button.