Volkswagen Passat 1995 Official Factory Repair Manual page 1759

VAG 1551 Scan Tool (ST), connecting and selecting 'Engine Electronics' address word 01
Diagnostic Trouble
Code (DTC)
SAE VAG
P0422 16806
P0440 16824
P0501 16885
P0506 16890
P0507 16891
P0510 16894
P0605 16989
http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW.B4.FU07....
Malfunction text
Main Catalyst Efficiency Below
Threshold (Bank 1)
Evaporative Emission Control
System Malfunction
Vehicle Speed Sensor
Range/Performance
Idle Control System RPM Lower
than Expected
Idle Control System RPM Higher
than Expected
Closed Throttle Position Switch
Malfunction
Internal Control Module Read
Only Memory (ROM) Error
Malfunction elimination
- Check HO2S and O2S control (before
three way catalytic converter)
24-25
- Check EVAP canister purge regulator
valve Page 01-71
Test Mode (DTM)
- Check Vehicle Speed Sensor (VSS)
signal Page 24-101
- Check fuel pressure regulator and
holding pressure Page 24-120
- Check ignition timing
- Check Vehicle Speed Sensor (VSS)
signal Page 24-101
- Check battery voltage
- Check idle speed
- Check throttle valve control module
Page 24-68
- Replace Engine Control Module (ECM)
Page 24-1 , item 5
Page 14 of 77
01-20
Page
, output Diagnostic
Page 28-8
Page 24-22
12/6/2004