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
To Next Page
Loading...
