Jetta Wagon L4-1.8L Turbo (AWP) (2005)
Indicated on display: (1 to 4 = Display zones)
Read measured value block 32
1 2 3 4
-
Observe oxygen sensor control in display zone 1. Display must fluctuate at least 2% in the range -10.0 to 10.0%
If the oxygen sensor control in display zone 1 does not fluctuate as stated:
-
Press -> key.
-
Press keys 0 and 6 for "End data transfer" function and confirm input with Q key.
-
Road test vehicle to burn oxygen sensors clean, then repeat check.
Observe the valid safety precautions when performing a road test.
If the the specifications in display zone 1 are not obtained even after a test drive, or the value does not fluctuate by at least 2%:
-
Replace Heated Oxygen Sensor (HO2S) -G39-.
-
Check DTC Memory, if necessary, repair any malfunctions and then Erase DTC Memory. See: Testing and Inspection/Reading and Clearing
Diagnostic Trouble Codes/Reading Diagnostic Trouble Codes/With Manufacturer's Scan Tool/DTC Memory, Checking and Erasing (Functions 02
and 05)
-
Read readiness code. If DTC memory has been erased or engine control module was disconnected from permanent positive, readiness code must
be generated again.
See: Testing and Inspection/Monitors, Trips, Drive Cycles and Readiness Codes
See: Testing and Inspection/Monitors, Trips, Drive Cycles and Readiness Codes
Checking oxygen sensor wiring
-
Connect V.A.G1598/31 test box to control module wiring harness. Engine control module remains disconnected.
-
Remove protective cover (arrows) and separate 6-pin connector (black) -1- to Heated Oxygen Sensor (HO2S) -G39-.