Instrument Panel, Gauges and Warning Indicators: Testing and Inspection
Additional gauges, checkingIf the specified values are not obtained during the following tests,
- check for breaks in the wiring using the current flow diagram OR check voltage stabilizer
If wiring and voltage stabilizer are OK,
- replace the specific gauge being tested
Voltmeter, checking
- switch ignition ON
- approximately battery voltage
Oil pressure gauge, checking
- remove connector G from oil pressure sender in left hand side of engine compartment
- attach VW 1301 between connector and ground
- switch ignition ON
- adjust VW 1301 to the following:
dial setting gauge reads
350 5 bar (72.5 psi)
150 2 bar (29.0 psi)
10 0 bar (0.0 psi)
Oil temperature gauge, checking
- remove connector from oil temperature sender (on oil pump)
- attach VW 1301 between connector and ground
- switch ignition ON
- adjust VW 1301 to the following:
dial setting gauge reads
26 170°C (338°F)
150 130°C (266°F)
690 60°C (140°F)