Throttle Body Position Sensor
FE02-5036b
(a)
Turn the ignition switch to "OFF" position.
(b)
Disconnect throttle position sensor wiring harness connector
EN27.
(c)
Measure throttle position sensor resistance.
Test Items
Standard Resistance
Value
Terminal 1 and Terminal 2
3,000 Ω
Terminal 2 and Terminal 3
Changes between
1,300 Ω and 2,900 Ω
(d)
Connect throttle position sensor wiring harness connector
EN27.
Is resistance the specified value?
No
Replace throttle position sensor. Go to step
11
Yes
Step 3
Measure throttle position sensor 5 V reference voltage.
Throttle Body Position Sensor Harness Connector EN27
1
2
3
FE02-5037b
(a)
Turn the ignition switch to "OFF" position.
(b)
Disconnect throttle position sensor wiring harness connector
EN27.
(c)
Turn the ignition switch to "ON" position.
(d)
Measure voltage between throttle position sensor EN27
terminal No.2 and a reliable ground.
Standard Voltage: 4.5-5.5 V
(e)
Connect throttle position sensor wiring harness connector
EN27.
Is voltage the specified value?
No
Yes
Step 4
Measure throttle position sensor signal circuit.
2-104
Control System JL4G18-D
Engine
EC718/EC718RV EC715/EC715RV 10/2009
Summary of Contents for EC715 2009
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