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Engine General Information and Diagnosis: 1A-26
DTC “C13” (P0105-H/L): IAP Sensor Circuit Malfunction
B931H21104011
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 the terminal damage or terminal bend.
NOTE
After repairing the trouble, clear the DTC using SDS tool. Refer to “Use of SDS Diagnosis Reset
Procedures (Page 1A-12)”.
Detected Condition
Possible Cause
C13
IAP sensor voltage is not within the
following range.
0.5 V < Sensor voltage
≤
4.85 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 the ground.
• IAP sensor malfunction.
• ECM malfunction.
P0105
H
Sensor voltage is higher than specified
value.
• IAP sensor circuit is open or shorted to VCC or ground
circuit open.
L
Sensor voltage is lower than specified
value.
• IAP sensor circuit is shorted to the ground or VCC circuit
open.
B/Br
G/B
R
ECM
VCC
E2
IAP sensor
IAP
24
13
6
I931H1110017-02
I831G1110019-01
Summary of Contents for 2009 LT-A500XP
Page 2: ......
Page 4: ......
Page 14: ...00 9 Precautions ...
Page 224: ...1E 3 Engine Lubrication System EXHAUST SIDE INTAKE SIDE I931H1150003 02 ...
Page 304: ...1K 4 Exhaust System ...
Page 346: ...2D 5 Wheels and Tires ...
Page 438: ...3D 26 Propeller Shafts ...
Page 482: ...4D 6 Parking Brake ...
Page 512: ...5A 28 Automatic Transmission ...
Page 624: ...Prepared by December 2008 Part No 99500 44080 03E Printed in U S A 624 ...