Possible Causes And Corrective Actions

Open circuit or short circuit between Engine Coolant Temperature (ECT) sensor (G2) and instrument cluster. Possible effect may be pointer for coolant temperature indication is at left end position. Read Measuring Value Bock. See READ MEASURING VALUE BLOCK (FUNCTION 08) . Locate malfunction using wiring diagram. See INSTRUMENT CLUSTER in SYSTEM WIRING DIAGRAMS article under ELECTRICAL.
Engine Coolant Temperature (ECT) sensor (G2) malfunctioning. Locate malfunction using wiring diagram. See INSTRUMENT CLUSTER in SYSTEM WIRING DIAGRAMS article under ELECTRICAL. Replace Engine Coolant Temperature (ECT) sensor (G2).