5. Fi INJECTION SYSTEM MOVIE S 125i
5-18
TPS (Throttle Position Sensor)
Connect the PDA or KYMCO Fi diagnostic tool.
Choose the Data Analyze
Check if the TPS position data is malfunction.
(Key switch ON but engine is not started)
If data was incorrect when the idle and throttle
fully opened, TPS is possible to be problem.
Standard:
Item Specification
TPS voltage
Idle (0°)=0.23±0.05V
Throttle fully(90°) >3.27V
ENGINE TEMPERATURE SENSOR
Removal
Remove the throttle body
Dismantle the intake manifold
Disconnect the connector of engine temperature
sensor
Remove the engine temperature sensor
Inspection
The ignition is turned off
Disconnect the connector between engine
temperature sensor and harness wires
The ignition is turned on
Measure the input voltage from ECU to engine
temperature sensor, voltmeter ⊕ probe to G∕
L wire and voltmeter ○
－
probe to V∕G wire
Standard: 5±0.25V
L
H
Engine Temperature Sensor
Connector
Connector
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