User Manual

Electric System LEXION 500 TIC
2a-2 Lex-e-02a 03/05
02a Starting the diesel engine, diesel engine electric starting motor - CAT C12, C10, C9, 3126B
Key to diagram:
Coordinates
A10 Fieldwork computer module (BIF/CAB)............................... 2-i-20
A15 Electronic engine control module ....................................... 3-p-18
D1 Diesel engine error code LED ............................................. 3-i-20
DS Diagnosis plug (63-pin) VIA................................................. 3-i-20
K51 Ignition lock relay................................................................. 4-i-20
K52 Power supply relay .............................................................. 4-i-20
R1 Resistor ............................................................................... 3-i-20
S35 Engine speed adjustment switch........................................ 3-h-17
U22 Diesel engine diagnosis switch ........................................... 3-i-20
Z33 Coolant level actual value switch ....................................... 2-o-17
XM Caterpillar diagnosis connector........................................... 4-i-20
Note: When the coolant level is correct, the coolant level actual
value switch Z33 is closed!
Measured value table:
Item Component Measured value Remark
K51
K52
Remote control relay
50 A
95±10 ! (Pin 86/1 – 85/2)
(Pin 87/5 – 30/3)