Golf GTI L4-2.0L (ABA) (1997)
Fuel Injector: Service and Repair
Checking Activation
Check Activation Of Fuel Injectors: See Output Diagnostic Test Mode
Function 03.
Special Tools, Testers And Auxiliary Items
-
VAG 1598/18 Test Box
-
Multimeter (Fluke 83 Or Equivalent)
-
VAG 1527B Voltage Tester
-
Connector Test Kit VW 1594
-
Wiring Diagram
Check Conditions
-
Engine speed sensor OK.
-
Fuel pump relay OK.
Test Sequence
-
Remove intake manifold, upper.
-
Disconnect harness connector -1- from connection -2- and connect VAG 1527B voltage tester with test leads from VW 1594 to the terminals of
the harness connector.
-
Disconnect harness connectors from fuel injectors 2-4.
-
Operate starter and check the voltage supply for no. 1 cyl. fuel injector.
-
LED must flicker.
-
Repeat check on fuel injectors 2-4.
If the LED does not flicker:
-
Switch ignition off.
-
Connect VAG 1598/18 test box to ECM wiring harness.