User Manual
Chapter 10
BOSCH HDI EDC 15C2 INJECTION SYSTEM AND PARTICLE FILTER
79
CONNECTIONS
CONNECTION
N°
SIGNAL
SIGNAL
NATURE
77 Operating status of the additive ECU CAN
Low additive level reached warning CAN
Total quantity of additive injected since start of
particle filter's life
CAN
Exhaust gas temperature (downstream of the
catalytic converter)
CAN
Request to force fan unit (at low speed) CAN
Request to force pre-post heater plugs CAN
78 Request to illuminate diagnostic LED VAN
Particle filter fault CAN
Request to activate consumers (alternator
saturation)
CAN
Request to force fan unit (at mid speed) CAN
Engine speed sensor signal (engine running
information)
CAN
79 Pre-post heating unit / preheater plugs control All or nothing
80 Fan unit relay control (at low speed) All or nothing
81 Fan unit relay control (at mid speed) All or nothing
82 Heated rear screen relay control All or nothing
83 Request to illuminate diagnostic LED VAN
Request to flash service LED on the control panel
(*)
VAN
Request to display a message on the
multifunction screen (*)
VAN
84 Operating status of the additive ECU VAN
Low additive level reached warning VAN
Total quantity of additive injected since start of
particle filter's life
VAN
Status of the fuel filler cap presence sensor VAN
Exhaust gas temperature (downstream of the
catalytic converter)
VAN
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