New Beetle L4-1.8L Turbo (AWP) (2003)
-
Set multimeter for voltage measurement and connect it to terminals 1 + 2 at connector to control module.
-
Start engine, and let run at idle.
-
Measure voltage supply
Specified value: oscillating between 0.0 and 12.0 V
If there is no voltage:
-
Switch ignition off.
-
Connect test box to control module wiring harness, connect test box for wiring test. Engine Control Module (ECM) is not connected. See:
Computers and Control Systems/Testing and Inspection/Reading and Clearing Diagnostic Trouble Codes/Scan Tool Connecting/With Generic
Scan Tool/Test Box, Connecting For Wiring Test
-
Check wire between test box and 4-pin connector for open circuit according to wiring diagram.
Terminal 2+socket 63
Wire resistance: max. 1.5 ohms
If specified value is obtained:
-
Check wire connection from terminal 1 to Fuel Pump (FP) Relay -J17-according to wiring diagram.
If no malfunctions are found in wires:
-
Replace Engine Control Module (ECM).
With Manufacturer's Scan Tool
Heated Oxygen Sensor (HO2S) For Oxygen Sensor Before Three Way Catalytic Converter (TWC), Checking
NOTE:
-
Raise vehicle to reach oxygen sensor connector
-
Only gold-plated terminals must be used to repair the terminals in the oxygen sensors connectors.
Special tools, test equipment and auxiliary items
-
VAG 1551 scan tool or VAG 1552 mobile scan tool with VAG 1551/3B cable
-
VAG 1598/31 test box
-
VAG 1526 hand multimeter or VAG 1715 multimeter
-
VAG 1594 adapter set
-
Electrical Wiring Diagram
Test conditions