Volkswagen Passat 1995 Official Factory Repair Manual page 1814

VAG 1551 Scan Tool (ST), connecting and selecting 'Engine Electronics' address word 01
Output Diagnostic Test Mode
Secondary AIR solenoid valve -N112
http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW.B4.FU07....
- Check wiring between ECM connector and 2-pin
connector terminal 1 for short circuit to wire
terminal 2 and to vehicle Ground (GND),
according to wiring diagram.
Terminal 2 and test box socket 31
Specification: ohms ( )
- Additionally, check wiring for short circuit to
battery positive (B+).
Specification: ohms ( )
If no malfunction in wiring is detected:
- Reconnect harness connector to EVAP canister
purge regulator valve.
- Replace Engine Control Module (ECM) -J220-
.
To activate Secondary Air Injection (AIR)
solenoid valve -N112-:
- Press
button.
Indicated on display
The Secondary air injection solenoid valve
must run until the next component is activated
by pressing the
If the relay does not click:
- Disconnect 2-pin connector at Secondary Air
Injection (AIR) solenoid valve -N112-.
Page 69 of 77
button.
01-75
12/6/2004