Engine General Information and Diagnosis: 1A-30
DTC “C13” (P1750) or “C17” (P0105): IAP Sensor Circuit Malfunction
B944H11104011
Detected Condition and Possible Cause
Wiring Diagram
ECM coupler (Harness side)
Troubleshooting
CAUTION
!
When using the multi-circuit tester, do not strongly touch the terminal of the ECM coupler with a
needle pointed tester probe to prevent terminal damage.
NOTE
After repairing the trouble, clear the DTC using SDS tool. Refer to “Use of SDS Diagnosis Reset
Procedures (Page 1A-15)”.
Detected Condition
Possible Cause
C13/C17
IAP sensor voltage is not within the
following range.
0.1 V
≤
Sensor voltage < 4.8 V
NOTE
Note that atmospheric pressure
varies depending on weather
conditions as well as altitude.
Take that into consideration
when inspecting voltage.
• Clogged vacuum passage between throttle body and
IAP sensor.
• Air being drawn from vacuum passage between throttle
body and IAP sensor.
• IAP sensor circuit open or shorted to ground.
• IAP sensor malfunction.
• ECM malfunction.
ECM
R
G/B
B/Br
VCC
IAP. #1
E2
IAP sensor (#1)
IAP sensor (#2)
R
G/Y
B/Br
IAP. #2
3
5
22
12
I944H1110013-04
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
18
18
18 19 20 21 22 23
26 27
24 25
28 29 30 31 32 33 34
35 36 37 38 39 40 41 42 43
44 45 46 47 48 49 50 51 52
I944H1110014-01
Содержание SFV650
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