Throttle Body Position Sensor
Harness Connector EN27
1
2
3
FE02-5038b
(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)
Connect a 5A fuse between EN27 terminal No.2 and No.3.
Use scan tool to read "the actual throttle position sensor
voltage" parameter.
Standard Voltage: 4.5-5.5 V
(e)
Connect throttle position sensor wiring harness connector
EN27.
Is data normal?
No
Step 5
Measure throttle position sensor ground circuit.
Throttle Body Position Sensor
Harness Connector EN27
1
2
3
FE02-5039b
(a)
Turn the ignition switch to "OFF" position.
(b)
Disconnect throttle position sensor wiring harness connector
EN27.
(c)
Measure resistance between throttle position sensor wiring
harness connector EN27 terminal No.1 and a reliable ground.
Standard Resistance: Less than 1 Ω
(d)
Connect throttle position sensor wiring harness connector
EN27.
No
Yes
Step 6
Check throttle position sensor 5 V reference voltage circuit.
Engine
Control System JL4G18-D
2-105
EC718/EC718RV EC715/EC715RV 10/2009
Summary of Contents for EC715 2009
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