Gilera Runner RSTPurejet Service Manual page 133

Runner RST Purejet
For the check, proceed as follows.
Connect the diagnostic tester to the vehicle. Select the «parameters» function. The following values
are reported:
The displayed value refers to the valve opening percentage. Check that a progressive actuation of the
valve corresponds to an equal increase of the opening percentage value. A 0% percentage denotes
The displayed tensions refers to the TPS1 and TPS2 signals. Progressively open the valve and check
Set the valve opening to 50% and check that at this value the signals TPS1 and TPS2 are equal or very
N.B.
FOR A MORE PRECISE CHECK, PROGRESSIVELY OPEN THE VALVE DIRECTLY BY THE
THROTTLE BODY. USING A FLEXIBLE TRANSMISSION CAUSES AN IRREGULAR OPENING
TPS1 ZERO = V
TPS2 ZERO = V
TPS TO REST = (NO - YES)
The TPS signal reset function is used when signals TPS are efficient.
Select the errors function.
Check the following errors and relevant ISO codes:
ERROR AND ISO
CODE
P1123
TPS
In the event of intermittent fault, the sys-
tem switches to the "occurred" status.
To reset the function, switch ON - OFF
- ON to allow switching to the stored sta-
WARNING ORIGIN
Both TPS signals missing. Acknowl-
edgement occurs when voltages are
0V = short circuit
5V = open circuit
the minimum position (approx. 20% opening)
TPS1 - Increases progressively
TPS2 - Decreases progressively
close (a few hundreds volts difference).
ENGINE BEHAV-
IOUR
Forced idle
close to:
tus.
pure jet injection
THROTTLE OPEN. %
TPS1 OUTPUT = V
TPS2 OUTPUT = V
the following conditions:
INJECTION
LIGHT
Flashing
INJ PJ - 21