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Engine
Intake Air Temperature/Pressure Sensor Harness
Connector EO16
1 2 3 4
ECM Harness Connector EO01
16
15
14
13
12
73
32
31
30
29
28
52
51
50
49
48
47
46
45
44
72
71
70
69
68
67
66
65
64
Next
Step 9
Check ECM power supply circuit.
Yes
Step 10
Replace ECM.
Next
Use scan tool to confirm whether the DTC code is stored again.
Step 11
11
10
9
8
7
6
5
4
3
2
1
27
26
25
24
23
22
21
20
19
18
17
43
42
41
40
39
38
37
36
35
34
33
63
62
61
60
59
58
57
56
55
54
53
FE02-5340b
Control System JL4G15-D
(a)
Turn the ignition switch to "OFF" position.
(b)
Disconnect intake manifold absolute pressure sensor wiring
harness connector EN16.
(c)
Disconnect ECM harness connector EN01.
(d)
Measure resistance between intake manifold absolute
pressure sensor 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 manifold absolute pressure
sensor harness connector EO16 terminal No.1 and a reliable
ground. check whether the circuit is short to ground.
Otherwise, repair the faulty part.
Test Items
Resistance Between EO16 (1) and EO01
(19)
Voltage Between EO16 (1) and A Reliable
Ground
Execute next step as per normal.
(a)
Check whether ECM power supply circuit is normal.
(b)
Check whether ECM ground circuit is normal.
Repair the faulty part.
No
(a)
Replace ECM. Refer to
Replacement.
(b)
Carry out crankshaft position sensor self learn. Refer to
2.12.7.11 Crankshaft Position Sensor (CKP)
(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.
EC718/EC718RV EC715/EC715RV 10/2009
Standard Value
Less than 1 Ω
0 V
2.2.8.8 Engine Control Module
Learn.
2-657
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