Degree of modulation of Glow plug, value

Measurement range 0-100%.

Reading of the degree to which the glow plug is activated.

For cars manufactured up to week 38, 2001 inclusive: 

In status no. 1 the glow plug is supplied completely (100%) or pulsed with the frequency 1 Hz. The degree of modulation of the glow plug depends on the voltage.

For cars manufactured from week 39, 2001 inclusive: 

In status no. 1 the glow plug is supplied completely (100%) or pulsed with the frequency 10 Hz. The degree of modulation of the glow plug depends on the voltage.