Coolant shortage detection device and oil pressure monitoring (VW Golf 3)

Figure 23. Coolant shortage detection device and oil pressure monitoring with the integrated "Digifant" injection system:

• F1 - oil pressure switch
• F22 - oil pressure switch, 0.3 bar
• F66 - Switch, Low Coolant
• G2 - long-range thermostat sensor
• J114 - Oil Pressure Monitoring System Control Unit
• J120 - Coolant shortage detection system control unit
• K2 - loading indicator lamp
• K3 - oil pressure indicator lamp
• K7 - brake system warning light and handbrake on
• K28 - connecting plug, 28 poles

Connection points with the body (in circle):

• 14 - ground point, to gearbox

Cable color designations:

• ws - white
• sw - black
• ro - red
• br brown
• gn - green
• gr - gray
• li - purple
• ge - yellow
• bl - blue

List of fuses:

• 30A - green color
• 25A - white
• 20A - yellow
• 15A - blue
• 10A - red