FE02-5340b
1
17
33
53
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34
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18
19
20
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16
1 2 3 4
Intake Air Temperature/Pressure Sensor Harness
Connector EO16
ECM Harness Connector EO01
(a)
Turn the ignition switch to "OFF" position.
(b)
Disconnect intake air pressure and temperature sensor
wiring harness connector EO16.
(c)
Disconnect ECM harness connector EO01.
(d)
Measure resistance between intake air pressure and
temperature sensor wiring harness connector EO16 terminal
No.1 and ECM harness connector terminal No.19. Check
whether the circuit is open. Otherwise, repair the faulty part.
(e)
Measure voltage between intake air pressure and
temperature sensor wiring harness connector EO16 terminal
No.1 and a reliable ground. check whether the circuit is short
to power supply. Otherwise, repair the faulty part.
Test Items
Standard Value
Resistance Between EO16 (1) and
EO01 (19)
Less than 1 Ω
Voltage Between EO16 (1) and A
Reliable Ground
0 V
Execute next step as per normal.
Next
Step 7
Check ECM power supply circuit.
(a)
Check whether ECM power supply circuit is normal.
(b)
Check whether ECM ground circuit is normal.
No
Repair the faulty part.
Yes
Step 8
Replace ECM.
(a)
Replace ECM. Refer to
(b)
Carry out crankshaft position sensor self learn. Refer to
Crankshaft Position Sensor (CKP) Learn
Next
Step 9
Use scan tool to confirm whether the DTC code is stored again.
(a)
Connect scan tool to the datalink connector.
(b)
Turn the ignition switch to "ON" position.
(c)
Clear DTC code.
(d)
Start and run the engine at idle speed to warm up the engine
for at least 5 min.
(e)
Read control system DTC code again to confirm that the
system has no DTC code.
Engine
Control System JL4G15-D
2-661
EC718/EC718RV EC715/EC715RV 10/2009
Summary of Contents for EC715 2009
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