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2-660
Control System JL4G15-D
Intake Air Temperature/Pressure Sensor Harness
Connector EO16
1 2 3 4
Check intake air temperature pressure sensor signal circuit.
Step 5
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
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50
48
47
46
44
49
45
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69
68
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66
65
64
Check intake air temperature pressure sensor ground circuit.
Step 6
EC718/EC718RV EC715/EC715RV 10/2009
FE02-5342b
11
10
9
8
7
6
5
4
3
2
1
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FE02-5343b
(a)
Turn the ignition switch to "OFF" position.
(b)
Disconnect intake air pressure and temperature sensor
wiring harness connector EO16.
(c)
Turn the ignition switch to "ON" position.
(d)
Measure resistance between intake air pressure and
temperature sensor wiring harness connector EO16 terminal
No.1 and a reliable ground.
Standard Resistance Value: Less than 3 Ω
(e)
Connect intake air pressure and temperature sensors wiring
harness connector EO16.
Resistance normal?
Go to step 6
No
Go to step 7
Yes
(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.2 and ECM harness connector terminal No.9. Check
whether the circuit is open.
(e)
Measure resistance between intake air pressure and
temperature sensor wiring harness connector EO16 terminal
No.2 and a reliable ground. check whether the circuit is short
to ground.
(f)
Measure voltage between intake air pressure and
temperature sensor wiring harness connector EO16 terminal
No.2 and power supply. check whether the circuit is short to
power supply.
Test Items
Resistance Between EO16 (2) and EO01 (9)
Resistance Between EO16 (2) and A Reliable
Ground
Voltage Between EO16 (2) and A Reliable
Ground
Go to step 7
Next
Engine
Standard Value
Less than 1 Ω
10 kΩ or higher
0 V
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