Engine General Information and Diagnosis: 1A-46
Step
Action
Yes
No
1
1) Remove the left side cover and engine side cover. Refer
to
“Front Side Exterior Parts Removal and
Installation: in Section 9D”
.
2) Connect the disconnected couplers and battery.
3) Turn the ignition switch OFF.
4) Check the diff-lock relay coupler for loose or poor
contacts.
If OK, then check the diff-lock relay insulation and
continuity.
Refer to
“2WD / 4WD / Diff-lock System Inspection: in
Section 3B”
.
Is the diff-lock relay OK?
• Inspect the 4WD/diff-
lock switch.
• Y/B wire open or
shorted to ground, or
poor “21” connection.
• If wire and
connection are OK,
intermittent trouble or
faulty ECM.
• Recheck each
terminal and wire
harness for open
circuit and poor
connection.
• Replace the ECM
with a known good
one, and inspect it
again.
Replace the diff-lock
relay with a new one.
I931H1110040-01
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 ...