Page 1664 - Foton Workshop Manual - Auman EST-M

EL - 240 Electrical system –circuit

IN System description:

When the ignition switch is put into ON/ST position. The current flows to the pin 85 of the IG1 relay R10 in
DI the instrument panel fuse box then it goes through the coil and is earthed at pin 86 of the R10. The coil is
powered up to generate magnetic field that that makes the contracts closed. The battery current flows through

the fuse F\L3 in the vehicle frame fuse box and fuse F05 in the instrument panel fuse box, then to the pin 30
EG
of the IG1 relay R10. After passing the contacts, it is output from the pin 87, goes through the fuse F04 in the
vehicle frame fuse box to the pin 30 of the exhaust brake relay R11; Turn the windshield wiper combination
TR switch handle into exhaust brake switch position, then exhaust brake switch signal is sent to the engine ECU
module. Under control of the engine ECU module, the coil of the exhaust brake relay R11 is powered up and
the contacts are closed. Then the current flows to the pin 1 of the exhaust brake solenoid valve F023, and is
AX
earthed at the pin 2 of the exhaust brake solenoid valve. The exhaust brake solenoid valve now starts to work

and the exhaust indication signal is sent to the combination instrument via CAN communication wires.
FR
: Part position

Number Refer to harness Number Refer to harness
ST
F023 Frame harness B030 Body harness

BR F099 Frame harness B100 Body harness

F101 Frame harness
BW
: Connector between harnesses

Number Number Refer to harness (connector position)
EL
Body harness and frame harness (instrument
B021 F008
panel left lower, close to the clutch pedal)

Body harness and frame harness (instrument
B026 F005
panel left lower, close to the clutch pedal)

: Grounding

Number Grounding point position Number Grounding point position

F012 Frame harness grounding B007 Body left side ground point 1

EL-240