TT L4-1.8L Turbo (BEA) (2004)
-
To measure voltage connect multimeter as follows:
Relay carrier under cover on left
Measure to
bulkhead, terminal
5
Battery voltage (B+)
-
Switch ignition on.
-
Specified value: approx. battery voltage (B+)
If specified value is not obtained:
-
Switch ignition off.
-
Connect test box V.A.G 1598/31 to wiring harness for ECM; do not connect ECM. See: Powertrain Management/Computers and Control
Systems/Testing and Inspection/Reading and Clearing Diagnostic Trouble Codes/Scan Tool Connecting/With Manufacturer's Scan Tool/Electrical
Testing Using VAG1598/31 Test Box
-
Check following wire connections for open circuit and short circuit to Ground (GND) and B+:
Relay carrier under cover on left
VAG 1598/31 Test Box
bulkhead, terminal
Socket
5
21
-
Repair open circuit, if necessary.
If no malfunction is detected:
-
Replace the Motronic Engine Control Module (ECM) Power Supply Relay -J271-.