System to be checked Terminals Measurement conditions Reference values
With the heater fan switch set to
"OFF"
Battery voltage
Radiator fan control system 11 (A/T) - 23 (E1) With the water temperature switch
set to "ON"
1 V or less
With the water temperature switch
set to "OFF"
Battery voltage
Stop light 40 (STP) - 23 (E1) With the stop light switch to set "ON" Battery voltage
With the stop light switch set to
"OFF"
0 - 0.5 V
Vapour bleeding control sys-
tem
79 (PRG) - 23 (E1) Running at idle speed Battery voltage
Speed (3000 rpm) Impulse production
engine revs output 3 (REV) - 23 (E1) While the engine is running at idle
speed
Impulse production
Communication signal con-
trol system
8 (SIO1)-23 (E1) While the engine is running at idle
speed
Impulse production
EGR system 80 (VSV1) - 23 (E01) While the engine is running at idle
speed
Battery voltage
3000 rpm speed after warming up
the engine
0 - 0.5 V
P105 - Malfunzionamento circuito pressionebarometrica/pressione
assoluta del collettore
WIRING DIAGRAM (MAP) - INLET MANIFOLD ABSOLUTE PRESSURE CIRCUIT (EURO3)
1. ECU EFI control unit 2. Manifold absolute pressure sensor (MAP) 3. Cable harness side view con-
nector
Iniection System PORTER 1.3 16V
IS - 436
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