Step 2
Measure intake manifold absolute pressure sensor 5 V reference voltage.
1
2
3
4
Intake Air Pressure Temperature
Sensor Harness Connector EN16
FE02-5017b
(a)
Turn the ignition switch to "OFF" position.
(b)
Disconnect intake manifold absolute pressure sensor wiring
harness connector EN16.
(c)
Turn the ignition switch to "ON" position.
(d)
Measure intake manifold absolute pressure sensor wiring
harness connector EN16 terminal No.3 to a reliable ground
voltage.
Standard Voltage: 4.5V-5.5V
(e)
Connect intake manifold absolute pressure sensor wiring
harness connector EN16.
Is voltage the specified value?
No
Yes
Step 3
Measure sensor signal circuit.
1
2
3
4
Intake Air Pressure Temperature
Sensor Harness Connector EN16
FE02-5018b
(a)
Turn the ignition switch to "OFF" position.
(b)
Disconnect intake manifold absolute pressure sensor wiring
harness connector EN16.
(c)
Turn the ignition switch to "ON" position.
(d)
Between EN16 terminal No.3 and No.4, connect a 5A fuse
wire. Use scan tool to read "the actual intake manifold
absolute pressure sensor voltage" parameter.
Standard Parameter: 4.5V-5.5V
(e)
Connect intake manifold absolute pressure sensor wiring
harness connector EN16.
Is data normal?
No
Yes
Step 4
Measure intake manifold absolute pressure sensor ground circuit.
Engine
Control System JL4G18-D
2-89
EC718/EC718RV EC715/EC715RV 10/2009
Summary of Contents for EC715 2009
Page 4: ......
Page 330: ...Next Step 10 End 2 248 Fuel System JL4G18 D Engine EC718 EC718RV EC715 EC715RV 10 2009 ...
Page 1164: ......
Page 2008: ......