Mercedes-Benz Engine Wiring 54.02Wiring Schematics

SchematicsOn a vehicle with an automatic transmission, seeFig. 1 for a schematic of the engine wiring betweenthe PLD control unit and the bulkhead connector. Fora detailed (partial) schematic of the wiring to thetransmission electronic control unit (ECU), main powerdistribution module (PDM), engine fan, low coolantprobe, and intake-air heater (optional), see Fig. 2 .For a detailed (partial) schematic of the wiring to thebulkhead module (BHM), see Fig. 3 .

On a vehicle with an automatic transmission, seeFig. 4 for a schematic of the cab wiring between thebulkhead connector and the vehicle control unit (VCU),including the devices attached to the dash harness.For a detailed (partial) schematic of the wiring for theengine protection system, see Fig. 5 . For a detailed

(partial) schematic of the wiring for the cruise controlswitches, panel lights, and engine fan switch, seeFig. 6 .

On a vehicle with an automatic transmission, seeFig. 7 for a schematic of the J1587 and J1939 datalinkwiring.

On a vehicle with a manual transmission, see Fig. 8for a schematic of the engine wiring between the PLDcontrol unit and the bulkhead connector.

On a vehicle with a manual transmission, see Fig. 9 fora schematic of the cab wiring between the bulkheadconnector and the vehicle control unit (VCU), includingthe devices attached to the dash harness. For adetailed (partial) schematic of the wiring for the engineprotection system, see Fig. 10 . For a detailed (partial)

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Fig. 2 Fig. 3

Fig. 4

Sheet 1

Fig. 1, MBE900 Engine Compartment Wiring Schematic, Automatic Transmission

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Wiring Schematics

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Fig. 3

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Fig. 2, MBE900 Engine Compartment Wiring Schematic, Automatic Transmission (detailed view, main PDM,trans ECU)

schematic of the wiring for the cruise control switches,panel lights, and engine fan switch, see Fig. 11 .

On a vehicle with a manual transmission, see Fig. 12for a schematic of the J1587 and J1939 datalink wiring.

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Fig. 4

Fig. 2

Sheet 1

Fig. 3, MBE900 Engine Compartment Wiring Schematic, Automatic Transmission (detailed view, BHM)

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Fig. 5 Fig. 6

Fig. 1

Sheet 2

Fig. 7

Fig. 4, MBE900 Cab Wiring Schematic, Automatic Transmission

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Mercedes-Benz Engine Wiring 54.02Wiring Schematics

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Fig. 1 Fig. 6

Sheet 2

Fig. 5, MBE900 Cab Wiring Schematic, Automatic Transmission (detailed view, engine protection)

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Fig. 5

Fig. 7

Sheet 2

Fig. 6, MBE900 Cab Wiring Schematic, Automatic Transmission (detailed view, dash switches)

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Fig. 4

Sheet 3

Fig. 7, MBE900 J1587 and J1939 Datalink Wiring Schematic, Automatic Transmission

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Fig. 9

Ref. Dia. G06−41623Sheet 1

Fig. 8, MBE900 Engine Compartment Wiring Schematic, Manual Transmission

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Fig. 10 Fig. 11

Fig. 8

Fig. 12

Sheet 2

Fig. 9, MBE900 Cab Wiring Schematic, Manual Transmission

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Fig. 8

Fig. 11

Sheet 2

Fig. 10, MBE900 Cab Wiring Schematic, Manual Transmission (detailed view, engine protection)

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Mercedes-Benz Engine Wiring 54.02Wiring Schematics

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Ref. Dia. G06−41623

Fig. 12

Fig. 10

Sheet 2

Fig. 11, MBE900 Cab Wiring Schematic, Manual Transmission (detailed view, dash switches)

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Fig. 9

Sheet 3

Fig. 12, MBE900 J1587 and J1939 Datalink Wiring Schematic, Manual Transmission

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