Cause | Elimination Method |
Instrument fuse keeps blowing | |
Broken device protection diode | Replace damaged diode |
The pointer of the coolant temperature gauge is constantly at the beginning of the scale | |
Device damaged | Replace instrument or instrument cluster |
Device sensor defective | Replace sensor |
Damaged wires or oxidized terminals | Check wires, repair connections |
The arrow of the coolant temperature gauge is constantly in the red zone | |
Device damaged | Replace instrument or instrument cluster |
Device sensor defective | Replace sensor |
The wire going to the sensor is shorted to ground | Check, repair short circuit |
The arrow of the fuel gauge is constantly at the beginning of the scale | |
Device damaged | Replace instrument or instrument cluster |
Damaged wires or oxidized terminals | Check wires, repair connections |
Damaged sensor: | |
– breakage of the flexible sensor bus | – Solder the busbar or replace the sensor |
- open resistor winding | - replace the sensor |
- weak contact of the current collector of the resistor | - bend the contact |
- leaky float | - replace the float |
The arrow of the fuel gauge is constantly at the end of the scale | |
Device damaged | Replace device |
The flexible bus of the sensor is closed with the fuel intake tube | Bend the tire |
Sensor connection wire shorted to ground | Check, repair short circuit |
The arrow of the fuel gauge returns to the beginning of the scale when the tank is full | |
Float limiter set incorrectly (resistor winding ends) | Bend the stopper 1-2mm down |
The arrow of the fuel gauge moves in jumps and often falls to the mark "0" | |
Weak touch of the sensor resistor by the current collector | Bend the Current Collector |
Breakage of the winding of the sensor resistor | Replace sensor |
The fuel reserve warning lamp is constantly on | |
Sensor wire short to ground | Check, repair short circuit |
Short circuit of the flexible bus of the sensor with the fuel intake tube | Bend the tire |
Any indicator lamps do not work | |
Bulb burnt out | Replace lamp |
Poor lamp contact in the socket | Restore contact |
Sensor contacts oxidized | Clean the sensor contacts |
Faulty lamp sensor | Replace sensor |
Breakage in the wires, oxidation of the wire ends | Replace damaged wires, clean lugs |
The oil pressure warning light stays on or goes out at high engine speeds | |
Low oil pressure | Check engine |
Sensor wire short to ground | Check, repair short circuit |
Faulty sensor | Replace sensor |
Speedometer not working | |
The nuts for fastening the tips of the flexible shaft of the speedometer drive are not tightened | Check, tighten the nuts |
Drive flexible shaft break | Replace Flex Shaft |
Damaged speedometer mechanism | Replace speedometer |
Speedometer flexible shaft noise | |
Drive flexible shaft shell deformed (dents, kinks, etc.) | Replace Flex Shaft |
Mounting of the flexible shaft is made with bending radii less than 100 mm | Correct the installation of the flexible shaft |