Operation CHARM: Car repair manuals for everyone.

With Auto-Check System

Engine coolant temperature gauge, checking
(for vehicles with Auto-Check system)




- remove connector from thermoswitch
- connect VW 1301 to contact T and ground
- set dial of VW 1301 to 660



- switch ignition ON
- needle must move to area A on gauge

- set dial of VW 1301 to 58
- needle must move to area B on gauge

If needle does not move to specified area,
- check wiring according to current flow diagram

If wiring is OK,
- replace temperature gauge