Volkswagen Passat 1995 Official Factory Repair Manual page 1815

VAG 1551 Scan Tool (ST), connecting and selecting 'Engine Electronics' address word 01
Output Diagnostic Test Mode
Secondary air injection pump relay -J299
http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW.B4.FU07....
- Connect VAG 1527B voltage tester using test
leads from VW 1594 to disconnected connector.
LED must light up
If LED lights up (voltage supply OK):
- Replace Secondary Air Injection (AIR) solenoid
valve -N112-.
If LED does not light up:
- Check wiring to Secondary Air Injection (AIR)
solenoid valve -N112- according to wiring
diagram.
- Check Secondary Air Injection (AIR) pump relay
-J299-:
Electrical Wiring Diagrams, Troubleshooting &
Component Locations
To activate Secondary Air Injection (AIR) pump
relay -J299-:
- Press
button.
Indicated on display
The Secondary Air Injection (AIR) pump relay -
J299- activates the secondary air pump motor,
and this must run at intervals until the next
component is activated by pressing the
button.
If the secondary air pump motor does not run:
- Disconnect 2-pin connector at Secondary Air
Injection (AIR) pump motor -V101-.
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12/6/2004