PIAGGIO PORTER 1.3 16V 2008, Service Manual

Page: 435 / 892

System to be checked Terminals Measurement conditions Reference values
Rear O2 sensor 73 (0X3)-17 (E2) After keeping the vehicle speed at
3000 rpm for four minutes
0.05-0.95 V
Ignition system (ionic current
sensor)
14 (ICMB)- 43 (IE) While the engine is running at idle
speed
Wave shape produc-
tion
Injectors 27 (#10) - 23 (E1) With ignition switch set to "ON" Battery voltage
26 (#20) - 23 (E1)
25 (#30) - 23 (E1) During the starter motor activation Impulse production
24 (#40) - 23 (E1)
Ignition 60 (IG1) - 23 (E1) With ignition switch set to "ON" Battery voltage
59 (IG2) - 23 (E1)
58 (IG3) - 23 (E1) During the starter motor activation Impulse production
57 (IG4) - 23 (E1)
Vacuum switching valve -
idle speed increase
56 (VSV2) - 82 (E01) With ignition switch set to "ON" Battery voltage
With the headlight switch of the anti-
fog system, the heating fan, radiator
fan thermoswitch and the stop light
switch set to "ON" while the engine
is running at idle speed and after it
has been warmed up.
0 - 0.5 V
Fuel pump 30 (FC2) - 23 (E1) With the fuel pump off Battery voltage
While the engine is running at idle
speed (or it is activated with the
starter motor)
2 V or less
VF monitor 34 (VF) - 23 (E1) After keeping the vehicle speed at
3000 rpm for four minutes (terminal
T short-circuited)
0 - 5 V (Impulse)
Headlight 6 (TRRQ) - 23 (E1) With the headlight switch set to "ON" 0-0.5 V
With the headlight switch set to
"OFF"
Battery voltage
Anti-fog system 10 (DEF) - 23 (E1) With the anti-fog system switch set
to "ON"
Battery voltage
With the anti-fog system switch set
to "OFF"
0 - 0.5 V
Fan 39 (BLW) - 23 (E1) With the heater fan switch set to
"ON"
0 - 0.5 V
PORTER 1.3 16V
Iniection System
IS - 435