Engine General Information and Diagnosis: 1A-62
DTC “C40” (P0505-H/L): ISC Valve Circuit Malfunction
B931H21104019
Detected Condition and Possible Cause
Wiring Diagram
ECM coupler (Harness side)
Troubleshooting
CAUTION
!
• Be careful not to disconnect at least 3 seconds after ignition switch is turned to OFF.
If the ECM coupler is disconnected within 3 seconds after ignition switch is turned to OFF, there is a
possibility of an usual valve being written in ECM and causing an error of ISC valve operation.
• 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
C40/
P0505
H
ISC value motor current is higher than the
specified value.
• ISC valve circuit shorted to BATT or ground circuit open.
L
ISC valve motor circuit is open.
• ISC valve circuit open or shorted to ground or BATT
circuit open.
ISC valve
ECM
IS1A
M
BATT
IS1B
B/Lg
R/B
P/W
IS2A
G
IS2B
W/Bl
17
4
34
16
33
I831G1110062-01
I831G1110019-01
Содержание 2009 LT-A500XP
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Страница 14: ...00 9 Precautions ...
Страница 224: ...1E 3 Engine Lubrication System EXHAUST SIDE INTAKE SIDE I931H1150003 02 ...
Страница 304: ...1K 4 Exhaust System ...
Страница 346: ...2D 5 Wheels and Tires ...
Страница 438: ...3D 26 Propeller Shafts ...
Страница 482: ...4D 6 Parking Brake ...
Страница 512: ...5A 28 Automatic Transmission ...
Страница 582: ...9 ii Table of Contents Specifications 9E 7 Tightening Torque Specifications 9E 7 Special Tools and Equipment 9E 7 ...
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