Voltmeter should display control unit operating voltage*. Voltage value okday?
Yes–> Skip to freq meter question No–> >Check stop light switch. >Pull off both plugs on stop light switch. >Connect ohmmeter (M 06) on stop light switch. >Operate brake pedal. >Ohmmeter should display approx. 0 ohm. >No–>Replace stop light switch. >Yes–> Continue >”Check clutch switch. >Pull off both plugs of clutch switch. >Connect ohmmeter (M 06) on clutch switch. >Ohmmeter should display approx. 0 ohm. >Operate clutch pedal. >Ohmmeter should display 0 ohm. >Values okay? >No–>Replace clutch switch. >Yes–> Check wires, repairing if necessary. “Connect frequency meter (M 14) on wires 3 and 6 on disconnected control unit plug. Lift car. Start Engine.