Automatic Glow Time Control Module -J179-: Notes

Fig 1: Identifying Automatic Glow Time Control Module

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

Arrow -

Automatic Glow Time Control Module -J179-

The pre-glow system is controlled by the automatic glow time control module -J179-. The Automatic Glow Time Control Module -J179- is On Board Diagnostic (OBD) capable.

If there is a malfunction in the pre-glow system, a fault will be stored in the Engine Control Module (ECM).

Checking the pre-glow system is explained in "Guided Fault Finding".

Electronically controlled glow plugs with a separate glow plug control module was installed in order to reach a quick starting function.

Each glow plug is controlled and diagnosed individually.