Cause of malfunction
|
Elimination Method
|
Pointer not working
coolant temperature
or fuel level
| |
Bad pointer (see control devices)
|
Replace gauge or instrument cluster
|
Faulty sensor (see control devices) |
Replace sensor
|
Damaged wires, oxidized or loose ends
|
Crimp terminals, replace faulty wires
|
When the tank is completely filled, the needle of the fuel gauge moves to zero (with an incomplete tank, the readings are correct)
| |
Current collector of the fuel level sensor goes beyond the resistor winding
|
Bend the float stop 1-2 mm down
|
The fuel gauge needle twitches and often deviates to zero
| |
Weak touch of the sensor resistor by the current collector
|
Bend the Current Collector
|
Break in the resistor winding of the fuel level sensor
|
Replace sensor
|
The fuel reserve warning lamp is constantly on
| |
Short circuit of the sensor wire to «mass»
|
Eliminate the short
|
Indicator lamps do not light up
| |
Bulb burnt out
|
Replace lamp
|
Poor clamping of the cartridge to the lamp base or contacts of the cartridge to the printed circuit board
|
Clean the contact surfaces, bend the lamp socket contacts or replace the board
|
Corresponding sensor is defective
|
Replace sensor
|
Damaged wires, oxidized or loose ends
|
Crimp terminals, replace faulty wires
|
Speedometer not working
| |
The nuts securing the tips of the flexible shaft of the speedometer have turned away
|
Tighten the nuts by hand
|
Worn speedometer flexible shaft tips
|
Replace Flex Shaft
|
Breakage of the flexible shaft of the speedometer
|
Replace Flex Shaft
|
Faulty speedometer
|
Replace instrument cluster
|
Speedometer flexible shaft noise (As a rule, noise occurs in a certain range of speeds)
| |
Mounting of the flexible shaft is made with small bending radii
|
Re-lay the flexible shaft, lubricate it with engine oil
|
Flexible shaft shell deformed
|
Replace Flex Shaft
|
Tachometer not working
| |
Damaged instrument cluster power circuits, tachometer control circuit (from the ignition coil), instrument cluster board tracks
|
Crimp terminals, replace faulty wires, instrument cluster
|
Faulty tachometer
|
Replace instrument cluster
|