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Home >> Audi >> 2021 >> S6 Premium Plus >> Repair and Diagnosis >> Electrical >> Gauges >> Instruments (2 Of 2) >> 90 Instruments >> Diagnosis And Testing >> Oil Pressure Gauge, Oil Temperature Gauge And Analog Clock, Troubleshooting >> Oil pressure gauge, does not work

Oil pressure gauge, does not work

                                           
-- Remove connector from engine oil pressure sensor -G10- -- Connect tester VW 1301 between oil pressure sensor connector terminal G and Ground (GND)-- Switch ignition ON
-- Adjust VW 1301 as follows:
  Dial setting Guage reads                          
  340 140 10 5 bar (72.5 psi) 2 bar (29.0 psi) 0 bar (0.0 psi)                          
                                           
  • Gauge reading must correspond to dial setting on VW 1301
Yes No
                                           
Engine oil pressure sensor -G10- faulty         Go to next article      
-- Replace engine oil pressure sensor -G10-                    
                                           
        End                                
                                           
                               
-- Switch ignition OFF
  • Leave tester VW 1301 connected between engine oil pressure sensor and GND
-- Remove instrument cluster INSTRUMENT CLUSTER , but leave all connectors attached-- Set multimeter (Fluke 83 or equivalent) to measure resistance (Ω)-- Disconnect instrument cluster 4-point side panel connector-- Using connector test kit VW 1594, connect multimeter between terminal -1- of 4-point connector and GND-- Adjust tester VW 1301 to 10
  • Must be approx. 10 ohms (Ω)
Yes No, ∞ Ω (no continuity) is displayed
                               
    Go to A       -- Check wiring to engine oil pressure sensor -G10- for open circuit according to wiring diagram, repair as necessary  
                 
                 
                             
                      End      
                               
              A              
                               
-- Reconnect 4-point connector-- Disconnect 6-point side panel connector-- Set multimeter (Fluke 83 or equivalent) to volt range-- Using connector test kit VW 1594, connect multimeter between terminals 6 (+) and 5 (-) of connector-- Switch ignition ON
  • Must be approx. 12 V
Yes No
                               
              Printed circuit board faulty
              -- Replace printed circuit board PRINTED CIRCUIT 
                               
                      End      
-- Switch ignition OFF-- Using connector test kit VW 1594, connect multimeter (Fluke 83 or equivalent) between oil temperature gauge terminal -1- → illustration 90-866 and Ground (GND)-- Switch ignition ON
  • Must be approx. 8 V
Yes No
                               
    Go to C         Go to B    
              B              
                               
Printed circuit (side panel) faulty
-- Replace printed circuit board (side panel) PRINTED CIRCUIT, SIDE PANEL 
                               
              C     End      
                               
-- Switch ignition OFF-- Set multimeter (Fluke 83 or equivalent) to measure resistance (Ω)-- Using connector test kit VW 1594, connect multimeter between terminals -5- and -6- → illustration 90-866
  • Must be 0 ohms (Ω) (continuity)
Yes No, ∞ Ω (no continuity) is displayed
                               
Oil pressure gauge faulty   Printed circuit (side panel) faulty
-- Replace oil pressure gauge OIL PRESSURE GAUGE    -- Replace printed circuit board (side panel) PRINTED CIRCUIT, SIDE PANEL 
                               
      End             End      
                               
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