Starter fault diagnostics
When the starter does not rotate. First of all, it is necessary to check whether the voltage required for its operation is supplied to terminal 50 of the traction relay, the value of which should not be lower than 8 volts. If the voltage is less than the specified value, it is necessary to check the wires included in the electrical circuit of the starter according to the electrical diagram. You can check whether the starter works when the full voltage of the battery is supplied as follows:
- Without engaging any gear, turn on the ignition.
- Using a wire with a cross-section of at least 4 mm², make a jumper between terminals 30 and 50 of the starter.
If the starter engages the pinion perfectly, the fault lies in the electrical wires that supply voltage to the starter. If the starter does not engage the pinion, it must be checked when removed.
The prerequisite for checking is that the wires at the connection points must be tightly tightened and not oxidized.