Engine General Information and Diagnosis: 1A-68
DTC “C41” (P230-H/L): FP Relay Circuit Malfunction
B931H21104020
Detected Condition and Possible Cause
Wiring Diagram
ECM coupler (Harness side)
Troubleshooting
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
C41
No voltage is applied to fuel pump
although fuel pump relay is turned ON, or
voltage is applied to fuel pump, although
fuel pump relay is turned OFF.
• Fuel pump relay circuit open or short.
• Fuel pump relay malfunction.
• ECM malfunction.
P0230
H
Voltage is applied to fuel pump although
fuel pump relay is turned OFF.
• Fuel pump relay switch circuit shorted to power source.
• Faulty fuel pump relay (switch side).
L
No voltage is applied to fuel pump
although fuel pump relay is turned ON.
• Fuel pump relay coil circuit open or short.
• Faulty fuel pump relay (coil side).
ECM
VM
FP
Engine stop
switch
Ignition
switch
Ignition
fuse
Main
fuse
Fuel
fuse
Fuel pump relay
Fuel pump
To the combination
meter
R/B
O/W
Y/R
Y/Bl
20
19
I831G1110077-04
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 ...