| Automatic glow period control unit -J179- is located in relay and fuse holder in electronics box in plenum chamber. |
| A - | Control Unit of the automatic preheating cycle -J179- |
| The pre-heating system is controlled via the control Unit of the automatic preheating cycle -J179-. The automatic glow period control unit -J179- is capable of self-diagnosis. |
| A fault is stored in the engine control unit if a fault occurs in the glow plug system. |
| The procedure for checking the glow plug system is described in the Guided Fault Finding. |
| To start the engine fast, the glow plugs with an electronic glow time control is fitted with a separate control unit for the glow time. |
| All the glow plugs are activated and diagnosed individually. |
| The following points should be taken into account with ceramic glow plugs: |
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| The ceramic glow plugs are very delicate due to the special properties of its materials and must be handled with special care when mounting as well as dismounting them. |
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| Transport and store only with the proper original boxing or with padded plastic individual wrapping. |
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| Do not unpack the ceramic plugs until the moment you will use them. |
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| The ceramic preheating glow plugs are sensitive to bumps and torsion. For this do not use glow plugs that have fallen, even from an altitude of some 2 cm, even if no damage is detected (like fine cracks). |
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| Replace the ceramic preheating glow plugs when you doubt its condition. |
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| Broken or damaged ceramic glow plugs can cause damage to the engine. |
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| If the plug plug breaks remove from the fuel chamber all the fragments before switching the ignition on, otherwise, the engine will fail due to piston seizing. |
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| The ceramic preheating glow plugs should not be dismounted for the compression test. |
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