gf1520d3003r

Start-up glowing, function

Type gf · topic 15.20 · version 0100 · 2013-08-29

Applies to: ENGINE 646 in MODEL 909

Where it sits

Function group 1 Engine › 15 Electrical system - engine › 15.20 Preglow system — Series 646 · Series 909

GF15.20-D-3003R

Start-up glowing, function

13.8.13

ENGINE

646 in MODEL 909

Start-up glowing is used to stabilize the cold start speed of the engine. The CDI control unit (N3/21) receives the message "DAS 3 message MS" and the message "circuit 50 ON" via the engine CAN (CAN C) from the immobilizer control unit (A62). The CDI control unit reacts by actuating the glow output stage(N14/2).

The glow output stage actuates the following components on the positive side:

Glow plug (R14)

Glow plug (R15)

Glow plug (R16)

Glow plug (R17)

Immobilizer control unit, component description

A62

GF80.57-D-6002R

Component description for CDI control unit

N3/21

GF07.16-D-6000R

Component description for glow time output stage

N14/2

GF15.20-D-4010R

Component description for glow plugs

R14, R15, R16, R17

GF15.20-D-4020R

Referenced documents