Dynamic Oil Pressure System, Troubleshooting

Dynamic oil pressure system, troubleshooting

NOTE: Always refer to appropriate wiring diagram.

Test conditions
- engine oil level OK
- tachometer OK
- oil pressure switches OK

Tools required
- Multimeter US 1119
- test box VAG 1598 with adapter 1598/8

System operation

Ignition ON, engine OFF
- LED light flashes IF oil pressure switches OK

Ignition ON, engine at idle
- LED flashes when oil pressure drops below 0.3 bar (4.4 psi)

Ignition ON, engine speed over 2100 RPM
- LED flashes at oil pressure below 1.4 bar (20.0 psi)
- audio warning sounds after approximately 3.0 second delay
- audio visual warning continues until oil pressure increases to 1.4 bar (20.0 psi) or ignition is turned off
- RPM tolerance ±100

Wiring Between Oil Pressure Switches And Instrument Cluster, Checking:

Oil Pressure Warning Control Unit (J114) Checking:

A:

B:

C: