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11 49 FUEL FIL TER/W ATER SEP ARA TO R (FLEET GUARD) When the v ehicle c ontact is s witched on, there is a voltage on connection point 2 o f the electronic unit B 387 (fuel filter/water separator electronic unit) through wire 1010 and fuse E170. If the temperature o f the fuel is too low , relay G201 is activated b y the ECS-DC3 electronic unit (D903). A v oltage is applied from c onnection point 18, connector 647, wire 5048 to connection point 85 of relay G 201. Connection point 86 of relay G201 is connected through an earth wire to connection point 2, connector 647. The V IC now switches the earth on or of f, so that relay G201 is switched on or of f depending on the fuel temperature. When relay G 201 is energised, contacts 30 - 8 7 c lose. A voltage is now applied to connection point A o f e lectronic unit B 387 through wire 1000, fuse E164, wire 1 190, contacts 30 - 8 7 o f relay G201, wire 5051. The g low e lement is now activated. If there is too much water in the fuel prefilter/water separator , a voltage is applied to connection 12, connector 594 of the VIC unit through connection 1 o f B 387, wire 3150. This in its turn s ends a s ignal to the D IP via the I-CAN. The D IP will now send a message to indicate that there is too much water in the fuel filter/water separator . V ARIANTS Location 30 Attach wire 5048 in connector 575, pin 6 . Attach wire 9305 in connector 575, pin 3 . 200332 ᓻ 3-190 5 CHANGES IN THE ELECTRICAL SYSTEM Changes in the electrical system from chassis number 0E608863 CF65/75/85 series |