10.10.18. Check and replacement of understeering switches

Fig. 10.15. Provisions of levers of understeering switches (fat lines showed starting positions, thin – the fixed provisions, dotted – unstable provisions of levers)

Serviceability of understeering switches is defined, checking correctness of short circuit of contacts at various provisions of levers (tab. 10.8 and 10.9, fig. 10.15).

Numbers of contacts of the switch of indexes of turn and light of headlights

Numbers of contacts of the switch of a cleaner and washer of glasses

The table 10.8 Short Circuit of Contacts at various provisions of the lever of the switch of indexes of turn and light of headlights

The table 10.9 Short Circuit of Contacts at various provisions of the lever of the switch of a screen wiper and a washer
* Unstable situation.

1. Disconnect a wire from the minus plug of the rechargeable battery.
2. Remove a casing of a steering column (see. "Removal and installation of a casing of a steering column").
3. Squeeze two plastic clamps …
4. … take out the switch of indexes of turn and light of headlights from the basis of understeering switches …
5. … also disconnect from it a block of a plait of wires.
6. Squeeze two plastic clamps …
7. … take out the switch of a cleaner and washer of glasses from the basis of understeering switches …
8. … also disconnect from it a block of a plait of wires.
9. For check of switches connect a control lamp of 12 V to the corresponding contacts specified in tab. 10.8 and 10.9 (in this case check of inclusion of the left index of turn is shown). Transfer the switch lever to the situation corresponding to the checked contacts, – the lamp has to light up. Otherwise the switch is faulty.
10. Install understeering switches as it should be, the return to removal.